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  • 1.
    Abo Warda, Jamal
    Halmstad University, School of Business, Innovation and Sustainability.
    Can batteries be useful in industrialelectricity systems?2022Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This study provides an analysis of the benefits of adding solar PV and batteries to industries, both examing the grid-connected and off-grid cases.The electricity demand of 28 companies in Falkenberg, Sweden, whose industries require high voltages for electricity, were studied. We examined the extent to which these companies can depend on energy generated from photovoltaic cells and stored in batteries, as well as the impact of peak loads and the possibility of eliminating peaks when operating off-grid.The data for each of these cases were analyzed for companies to determine the energy that can be generated from photovoltaic cells on-site, and then take advantage of this energy directly and store the surplus in batteries to reduce dependence on the grid or reduce this dependence to a minimum, and study the role of the battery. We obtained interesting results and reliable systems during this study, as we noticed the effect of changing working hours in these companies in proportion to the times of energy production during the period of daily solar radiation.By studying the main load models in these companies and using the results and data analysis, it was noted that batteries can be a reliable solution, in which the energy generated from solar cells is used directly and the excess electricity is stored in the batteries later, and we noted the possibility of operating the entire system off-grid, which was found realistic if the company would have been located in Egypt. .

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  • 2.
    Abrahamsson, Henrik
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Nilsson, Anders
    Halmstad University, School of Business and Engineering (SET).
    Meetia: Framtiden för utbyte av digital information2010Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    I dagens affärssamhälle är utbytet av vanliga visitkort i papper enormt. Det är utan tvekan det ledande sättet för människor som träffas första gången att utbyta information i en affärsrelation. Det finns brister gällande uppföljning och hantering av vanliga visitkort och projektgruppen började då fundera på alternativ till pappersvisitkorten.

    I dagens samhälle flyttas alltmer teknik till mobiltelefoner. En mobiltelefon kan idag användas till allt från att göra bankärenden till att läsa tidningen på nätet, vilket för 15 år sedan skulle låta helt orimligt. Det dyker dagligen upp nya mobilapplikationer som ska underlätta och effektivisera vardagen på något sätt och marknaden är enorm. På denna snabbt växande marknad har projektgruppen valt att ta fram ett koncept som de kallar Meetia.

    Meetia är i huvudsak en mobilapplikation framtagen för att trådlöst utbyta digitala visitkort och förenkla bokning av möten genom att synka användarnas kalendrar. Applikationen har även funktioner som låter användaren enkelt och snabbt skapa nya visitkort direkt i telefonen.

    Projektgruppen har även tagit fram en kompletterande hemsida till mobilapplikationen där användare har möjlighet att lagra och hantera de digitala visitkort som mottagits, för att sedan genom smarta sökfunktioner enkelt hitta de visitkort man söker.

    Meetia kommer vara ett optimalt verktyg för att skapa nya kontakter då hela vägen från första kontakt till möte eller lagring av visitkort enkelt sköts med konceptet Meetia. Meetia kommer framför allt inrikta sig mot mässor där visitkort är vanligt förekommande och mängder affärskontakter skapas. För att nå ut till de stora mässorna i Sverige kommer applikationen finnas med mässfunktioner.

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  • 3.
    Ahlbäck, Joel
    et al.
    Halmstad University, School of Information Technology.
    Jalking, Jesper
    Halmstad University, School of Information Technology.
    Logistikföretag i försörjningskedjan: Rekommendationer till logistikföretag i hanteringen av informationssäkerhet2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Information security is an important aspect when running a business. Before, information security has been separated to the business area of IT. But lately this issue has broadened and become an important part of business-activity. This has resulted in a growing interest among business leaders. Literature within the subject information security mainly focuses on how organizations maintain safe systems and protect themselves from cyber-attacks and information infringements. Existing literature identifies new security threats that have emerged after advances in internet technology, but little is known about how these threats can be managed. Researchers request research on how cooperation in supply chains poses risks to secure information management. Logistics companies provide customers with logistics services such as warehouse management, transport, order processing and packaging. Logistics companies are a central node in supply chains. They often participate in several supply chains in different industries. The extensive interconnection of companies poses a security risk. It also means that logistics companies can be seen as targets for cyber-attacks. The purpose of the study has therefore been to create an understanding of the challenges logistics companies face in managing information security in the supply chain.

     

    The research question has been answered by interviewing representatives from logistics organizations. The empirical data has undergone a thematic analysis. The results of the study show that the management of information security varies between companies. The study’s conclusions present recommendations. The recommendations describe how logistics companies can manage information security in the supply chain.

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  • 4.
    Alderhell, William
    et al.
    Halmstad University, School of Business, Engineering and Science. Halmstad university.
    Norstedt, David
    Halmstad University, School of Business, Engineering and Science. Halmstad university.
    Water & Cultivate2019Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
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  • 5. Andersson, Helena
    Förstudie av solcellsanläggning på en skola i Tanzania2015Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
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    Förstudie av solcellsanläggning på en skola i Tanzania
  • 6.
    Andersson, Ove
    Halmstad University, School of Information Technology.
    Is the chain unbroken: a pilot study of the local police use of IT forensic processes2020Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This work is done in cooperation with the Halmstad local police. We examine how seizedphones are handled throughout the organisation. We investigate where and if there canoccur issues with the physical device handling and we also look at how the extractions madeon seized phones are analysed and the possible problems with that work.We have interviewed several employees, both sworn and unsworn staff, we have looked atprovided statistics and done thorough background research in this field. The comparison andanalysis of the material show that the evidence integrity and the chain of custody standcomparably firm. We do on the other hand see issues with the knowledge level in the ITforensic field, the wish for more training, the lack of knowledge sharing between groups andthe risk for missing crucial evidence due to these issues. We also look at some possibleways of meeting the risks mentioned by investigating the newly employed IT caseadministrators and how that has turned out. At the local police stations, these persons solveissues that needed addressing but were previously neglected due to lack of knowledgeablestaff. The suggestions on adding these types of employees address some of the issues withextraction analysis. The paper also proposes some possible solutions to some of theproblems mentioned.

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  • 7.
    Arvidsson, Jacob
    et al.
    Halmstad University, School of Information Technology.
    Gustafsson, Johan
    Halmstad University, School of Information Technology.
    Upphandlingsprocessen av affärssystem och dess utmaningar: En studie om hur medelstora företag kan hantera utmaningar som uppstår i upphandlingsprocessen av affärssystem2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The acquisition of an Enterprise Resource Planning (ERP) involves a major investment,which often accounts for a large part of the company's total budget. It is close toimpossible to meet all the demands of companies on the system, which makes theprocurement process of Enterprise Resource Planning a complex and difficult process.In the previous research carried out, it is only taken into consideration how largecompanies handle the procurement process, which means that medium-sized companiesend up not accounted for. It is therefore important to investigate how the procurementprocess for medium-sized companies looks and the challenges that arise are dealt with.The result of this study shows both differences and similarities between medium andlarge companies in terms of procurement processes, its challenges and how companieschoose to handle them.

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  • 8.
    Barth, Henrik
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Holmén, Magnus
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    The use and abuse of 3D-printing from a business model perspective2016Conference paper (Refereed)
    Abstract [en]

    The paper analyses changes in user activities and behaviour across different types of actors following the introduction of 3D printers. 3D printing, or additive manufacturing, has been claimed to disrupt manufacturing, allowing firms to move from prototyping to full-scale end-part production and replacement part production in a one-step process. 3D printing has many different uses, for example, the manufacturing of toys, shoes, lamps and fashion accessories, and by implication many different types of users and buyers. There are few empirical studies on the types of uses and users of 3D, hampering our understanding in what ways the 3D printers may change the behaviour of users, and whether 3D printers affect the likelihood and the nature of entrepreneurship or business model innovation. To investigate this, a model was created based on the 3DP literature. The model is applied on a distributor customer database and four interview-based illustrative case studies. The empirical findings show that the use of 3DP a) lowers the knowledge and resource barriers for experimentation and entrepreneurial entry, b) increases product and concept prototyping in product development, c) provides a potential for business model innovation by expanding the boundaries of the firm upstream and downstream, and d) becomes a ticket for entrepreneurial entry. Based on our results, the paper suggests that the potential of 3D printers alter user innovative activities is high but most of the potential is latent.

  • 9.
    Barua, Pallab
    et al.
    Halmstad University, School of Business, Innovation and Sustainability.
    Kanjiraparambil, Lijo Johnson
    Halmstad University, School of Business, Innovation and Sustainability.
    The relevant aspects of Lean to ensure reliability in electronic hardware development: Case organization-Bosch Rexroth, Mellansel2023Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Product development is considered an important key factor in the fourth industrial revolution (Industry 4.0) as products are becoming more competitive and complex due to market competition. Currently, customer satisfaction mostly depends on product reliability especially when it comes to electronics hardware. From the early stages of electronic hardware development, product development team have to maintain high reliability by reducing mistakes as it is deeply related with the cost of the final product. In this above scenario, LPD can play an important role which deal covers all aspects of a product's development including reliability, from gathering and generating ideas, to assessing success potential, to building concepts, evaluating them, detailing the product, testing, developing, and handing it over for manufacture. From the literature, it shows that the framework for achieving reliability in line with LPD in electronic hardware is very limited. Hence, the author in this research considers that the different aspects of reliability with LPD needs to be identified and framed to have a reliable product, especially for electronics hardware development.

    To fulfill the research objectives, the authors conducted a literature review to identify the relevant aspects of lean to achieve reliability in electronic hardware development. Then all the relevant aspects were framed in a framework. Further, a single case study was conducted in Bosch Rexroth, and interviews were taken from the selected case organization to explore and justify the relevant aspects of lean. Different views of the interviewee were presented in data analysis section and at the end, the conclusion is presented to show the relevancy of the selected aspects based on the interviews, theoretical implications, practical implications, and future research.

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  • 10.
    Belvisi, Nicole Mariah Sharon
    Halmstad University, School of Information Technology.
    Document Forensics Through Textual Analysis2019Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This project aims at giving a brief overview of the area of research called Authorship Analysis with main focus on Authorship Attribution and the existing methods. The second objective of this project is to test whether one of the main approaches in the field can be still be applied successfully to today's new ways of communicating. The study uses multiple stylometric features to establish the authorship of a text as well as a model based on the TF-IDF model.

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  • 11.
    Berggren, Tommy
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Denham-Smith, Adam
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Automated Live Acquisition of Volatile Data: Through the use of a programmable HID control chip2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This research lays a foundation for automated acquisition of volatile data by presenting a prototype device which carries out the deeds of a forensic investigator, essentially making it a “forensic investigator on a stick”. The Teensy 3.0 device is programmed to interact with an external USB device for storage purposes. All interaction with a live target system must be documented thoroughly according to forensic best practices. Therefore quantitative measurements of system contamination related to the device actions are presented. The device is conclusively able to perform a memory dump and provide a warning of the existence of Truecrypt encrypted containers.

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  • 12.
    Bertilsson, Linus
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Granvik, Jim
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    IT-säkerhetspolicy: - en studie kring anställdas kunskap om två verksamheters IT-säkerhetspolicys2014Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [sv]

    IT-användandet bland Sveriges företag är mycket stort och utvecklingen går snabbt framåt. Samtidigt som teknologin skapar möjligheter så skapar den även hot mot företagen själva. Dessa hotbilder glöms ofta bort och konsekvenserna kan bli att känslig information hamnar i fel händer.

    Undersökningen handlar om anställdas kunskap om den egna verskamhetens IT-säkerhetspolicy. I undersökningen granskas och jämförs även IT-säkerhetspolicys från ett mindre företag och en större kommunal organisation. Som metod har enkäter och intervjuer använts. Resultatet visar att kunskapen hos de anställda kring den egna IT-säkerhetspolicyn är varierande och att de båda policyerna ser mycket olika ut. En IT-säkerhetspolicy bör inte anses som en problemlösare i sig, utan användandet kan även ge nackdelar. Den kan ge stöd och tydlighet i arbetet och kan underlätta i beslutsfattande situationer och öka säkerheten i företaget. Det räcker dock inte med att ha en detaljrik och heltäckande IT-säkerhetspolicy, om de anställda inte känner till att den finns eller inte vet vad den innehåller. En IT-säkerhetspolicy bör vara ett levande dokument som tas upp för gemensam diskussion och revideras med jämna mellanrum.

    Nyckelord: IT-strategi, IT-säkerhetspolicy, organisation, enkät, intervju.

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    IT-säkerhetspolicy
  • 13.
    Bharghav, Suraj
    et al.
    Halmstad University, School of Business, Innovation and Sustainability.
    Sandgren, Robin
    Halmstad University, School of Business, Innovation and Sustainability.
    Governance mechanisms in a digital platform ecosystem, an exploratory study in the context of mobility as a service (MaaS).2022Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Interactions have changed in which industries operate in relation to one another, and many industries are now interdependent in digital platform ecosystems (DPE). Today considerable interest in academic literature surrounding ecosystems and the industry actors' part of it that exchanges value through complementary offerings. New emerging services are dependent on complementary services from actors that operate in digital platform ecosystems. This is now happening in the transport industry with the emerging concept of mobility as a service (MaaS). MaaS is seen as a possible solution to the challenges such as sustainability issues imposed on the transport industry. It is meant to use a digital interface and shared data to efficiently source and manage the provision of transport-related services that meet the mobility requirements of society. However, research has shown that weak governance will possibly have a destructive character on emerging ecosystems such as the MaaS - DPE. Therefore, there is a need to develop more profound knowledge about governance to ensure the functionality of the MaaS digital platform ecosystem (MaaS-DPE). In this master thesis, this is done through an exploratory study, identifying the governance mechanisms that could be leveraged to motivate, recruit, and further retain MaaS-DPE participants, thus, ensuring the functioning of a MaaS-DPE. This is in the context of suburban cities on the west coast of Sweden where these actors are operating. We found three general and four specific governance mechanisms that we argue can be leveraged by the DPE leader visualized in a model connected to the roles of the DPE participants.

    The full text will be freely available from 2024-08-31 07:26
  • 14.
    Bjuringer, David
    et al.
    Halmstad University, School of Business, Innovation and Sustainability.
    Sjölander, Alfred
    Halmstad University, School of Business, Innovation and Sustainability.
    Temperaturinverkan på komponenter i vindkraftverk: En förstudie åt Arise AB2021Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis aims to analyze how different temperature deviations affect the components of wind turbines. A study of the temperatures in several different components was carried out to get a clearer picture of how these affects operational reliability. By trying to link, for example, extreme values of temperatures to possible alarms and downtime in the wind power plants, the hope is that this study will be able to contribute to safer and more maintenance-free wind turbines in the future. The 12 wind turbines that have been evaluated in this study are localized in southern Sweden. The time period for the collected data extends over 6 years.

    In the thesis, an analysis has been carried out with the help of the computer program Matlab to examine different types of data collected from the components in the wind turbines. The data was plotted with the help of various functions in Matlab and with the help of mathematical equations. The data was then observed ocularly by the authors, which led to the discovery of different connections between temperature variations in the components and different error codes. The generator bearing was the component that was found to have the highest correlation between temperature deviations and specific error codes related to various yaw-errors, which can be explained as error codes that occur when the wind turbine fails to adjust itself to the wind.

    An analysis has also been made to determine whether there was a temperature-related upward trend in any of the components in the wind turbines. This was carried out with the help of various standard deviation calculations and calculation of the mean temperature value of different components. The standard deviation in this case describes how much the temperature of each component varies from the mean value. It turned out that there was such an upward trend for the Generator Bearing and Generator Phase 3 components. Some turbines also turned out to have a more distinct upward trend than others

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  • 15.
    Björkdahl, Joakim
    et al.
    Department of Technology Management and Economics, Chalmers University of Technology, Göteborg, Sweden.
    Holmén, Magnus
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Exploiting the control revolution by means of digitalization: Value creation, value capture, and downstream movements2019In: Industrial and Corporate Change, ISSN 0960-6491, E-ISSN 1464-3650, Vol. 28, no 3, p. 423-436, article id dty022Article in journal (Refereed)
    Abstract [en]

    This article explains why firms move downstream to profit from the value they create for customers through improved control. Under certain circumstances, product innovations and services are dynamically interdependent in the sense of improved control creating value for the customer. Since value capture is distinct from value creation, firms may need to change their means of appropriation to profit. Empirically, the article analyses how firms can renew their product offerings by incorporating control technologies into their traditional mechanical engineering products. In contrast to a strand in the recent strategy literature that argues that manufacturing firms should move downstream to deliver complementary services, this article explains these shifts as related to increased control, economies of throughput, value creation, and value capture. The article contributes to the throughput and control technology literature by showing the importance of differentiating value creation from value capture. The increased control by means of digitalization and the discrepancy between value creation and value capture explains why many manufacturing firms will become service firms.

  • 16.
    Björklund, Christoffer
    Halmstad University, School of Information Technology.
    Deepfakes inom social engineering och brottsutredningar2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    ’Deepfake’ is an abbreviation of ’deep learning’ and ’fake’. Deepfakes are synthetical audiovisual media that uses machine learning to create fake videos, images and/or audio clips. This project is focused on deepfakes within forged videos, where one person’s face is swapped with another person’s face. This technique is usually referred to as ’face swapping’. However, deepfakes goes beyond what usual face swaps can achieve.

    The focus for this project is to investigate how easy it is to forge your own deepfakes with basic technical knowledge. This is achieved through an experiment that measures result from fourteen interviews. The interviewees watched two different videos, where each person tried to identify the writers’ own deepfaked video clips, that were mixed with legitimate video clips. The experiment shows that it is possible and relatively easy to create convincing deepfakes aimed at social engineering. It is also possible, but harder, to create deepfakes to forge videos within criminal investigations.

    This report examines the potential forensic techniques and tools that exists and are developed to identify deepfakes. Furthermore, this report also examines deepfakes made for social engineering. Deepfakes are considered being one of the more significant threats in the future and could be used to effectively spread propaganda and misinformation. The results generated from the experiment in this report, lead to a proposition from the writer that news outlets and social media platforms could aim at an informative approach towards deepfakes. This approach means informing their consumers on what deepfakes are, how they typically look and what consumers can do themselves to identify them.

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  • 17.
    Björklund, Isabell
    et al.
    Halmstad University, School of Health and Welfare.
    Dahlquist, Rebecka
    Halmstad University, School of Health and Welfare.
    Nykvist, Lisa
    Halmstad University, School of Health and Welfare.
    Implementering av digital teknik på vårdenheter: En kvalitativ studie utifrån vårdpersonals perspektiv2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The aim of digital technology is to increase the efficiency of health- and welfare services. This study's focus is on whether health- and care staff can have any influence on what type of digital technology that is going to be introduced and applied in their workplace. The study uses the theory of health, known as Sense Of Coherence (SOC), developmental learning and experiential learning. In addition, the study uses a qualitative method with semi-structured interviews. The empirical information is then analysed with a qualitative analysis. The result from the analysis is separated into two main categories; the health and care-staff were able to try out and decide regarding digital technology and educations and “superusers”as support to learning. The results showed that several people in the health- and care staff were given the opportunity to influence on what type of technology that is going to be used in the care unit’s and were given the opportunity to participate in the educations.

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  • 18.
    Blomqvist, Jan Einar
    Halmstad University, School of Business and Engineering (SET).
    Educating entrepreneurs for handling the innovation process with new product development in industry or in own formed company1989In: SEFITALIA89: New Roles for the Engineer in a changing world: demands on engineering education, Neapel: University of Naples , 1989, p. 15-21Conference paper (Refereed)
    Abstract [en]

    At Halmstad University College on the west coast of Sweden, we have a unique education in innovation and entrepreneurial engineering. The three year program provides the candidates with a braod technical economical education with special emphasize on handling the innovation process and running new product development projects. This is the summing up og 10 years experience during which 140 innovation engineers have been graduated.

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  • 19.
    Blomqvist, Jan Einar
    Halmstad University, School of Business and Engineering (SET).
    Innovation engineering: Pedagogic strategy of Halmstad University1992In: Product development in engineering education: Proceedings, Halmstad: Halmstad University , 1992, p. 11-18Conference paper (Refereed)
    Abstract [en]

    At small Halmstad University we have, for the past 13 years, a unique educational program in innovation engineering. The three-year educational program provides the candidates with a broad technical and economical education with special emphasise on handling the innovation process and running new product development projects. An optional fourth year, entitled innovation management, focuses on leadership, innovation, and the choices of technology in multinational companies. This is the summing up of 13 years of experience, during which 286 innovation engineers received an education (even if 22% left with one or two unwritten exams).

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  • 20.
    Borg, Richard
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Svensson, Timmy
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Assistansrobot "Slangaren"2011Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This project is a step towards automatic firefighting. The goal is to decrease the number of personal injuries by replacing the human firefighter with robots or similar technical tools. Especially in very hostile environments due to risk of explosions or building collapse. A robot is easy to replace and can be maneuvered from a safe distance. The idea of the project comes from the company Drones Networking which aims for developing a totally autonomous firefighting system. The result of this project is a prototype of a robot which handles the hose during firefighting.

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    Examensrapport Assistansrobot
  • 21.
    Borgström, Karin Margaretha
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL), Sustainability, Innovation and Management in Building (SIMB).
    Determination of the thermal conductivity of the insulation in district heating mains: Field measurements1994Doctoral thesis, monograph (Other academic)
    Abstract [en]

    This thesis concerns the development of a measurement method for determination in the field of the thermal conductivity of the insulation in buried district heating mains.

    The thermal conductivity of the insulation is calculated from the measured value of the radial heat flow through the heating main, the measured temperature difference across the insulation, and the dimensions of the heating main. The heat flow has been measured with a heat flux sensor which was fitted to the surface of the casing. The temperature has been measured with copper/constantan thermocouples.

    It is a necessary condition for the method used in the project for determination of the thermal conductivity of the heating main insulation that the heating main is uncovered and is not in contact with the surrounding soil over a distance of about 1.5 m and that the measurements are made directly on the heating main. In this way, no account need be taken of the material surrounding the heating main, nor of the effect of this material on the measurements. No interference is needed with the heating main which would affect the distribution of the district heating water, and the heating main can remain in operation during measurements.

    Shielding insulation consisting of preformed insulation sections which were placed over the casing of the heating main and covered the heat flux sensor and some of the casing. The function of this insulation was to shield the heat flux sensor from external thermal disturbances. In the field measurements, a copper guard plate of 0.5 mm thickness, the temperature of which could be adjusted, was also placed over the shielding insulation in order to maintain the temperature on the heat flux sensor as constant as possible.

    When temperature and heat flow are measured, the instruments used will be affected by conditions which prevail at the time of measurement. It is therefore very important to analyse the sources of error which may arise in the measuring situation at hand.

    The effect of these factors on the measured values has been studied by

    ' laboratory measurements

    ' theoretical calculations

    ' field measurements

    On the basis of the resulting values of heat flows and temperatures obtained in field measurements on plastic heating mains which were operating under normal conditions, the thermal conductivity of the insulation of the main has been estimated.

    The method has been tested on plastic heating mains with directly foamed insulation, since this is the most common type of heating main both in the existing district heating network and in new construction. The measuring method can also be used on other circular heating mains.

     

  • 22.
    Brass, Adam
    Halmstad University, School of Information Technology.
    Securing VANET in Truck Platooning With Hybrid Blockchain and Modelling of Trust2020Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Vehicular ad hoc networks (VANETs) have remained complacent for a period which has caused the strength of security of these networks to decrease. In the context of truck platooning, a topic in high regards to companies which maintain a fleet of trucks or even a single truck for which business is essential, should consider security of the VANET a necessity and trust must be implemented as well. The main contribution of this work is to propose a model of securing VANET communication regarding truck platooning via a hybrid method of Blockchain technologies, smart contracts, and the modeling of trust.

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  • 23.
    Böhm, Annette
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).
    Lidström, Kristoffer
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).
    Jonsson, Magnus
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).
    Larsson, Tony
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).
    Evaluating CALM M5-based vehicle-to-vehicle communication in various road settings through field trials2010In: Proceedings - Conference on Local Computer Networks, LCN, (2010 12 01): 613-620, Piscataway, N.J.: IEEE Press, 2010, p. 613-620Conference paper (Refereed)
    Abstract [en]

    Future cooperative Intelligent Transport Systems (ITS) applications aimed to improve safety, efficiency and comfort on our roads put high demands on the underlying wireless communication system. To gain better understanding of the limitations of the 5.9 GHz frequency band and the set of communication protocols for medium range vehicle to vehicle (V2V) communication, a set of field trials with CALM M5 enabled prototypes has been conducted. This paper describes five different real vehicle traffic scenarios covering both urban and rural settings at varying vehicle speeds and under varying line-of-sight (LOS) conditions and discusses the connectivity (measured as Packet Reception Ratio) that could be achieved between the two test vehicles. Our measurements indicate a quite problematic LOS sensitivity that strongly influences the performance of V2V-based applications. We further discuss how the awareness of these context-based connectivity problems can be used to improve the design of possible future cooperative ITS safety applications.

  • 24.
    Chhotray, Soma
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Sivertsson, Olof
    Halmstad University, School of Business, Engineering and Science.
    Tell, Joakim
    Halmstad University, School of Business, Innovation and Sustainability, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    The Roles of Leadership, Vision, and Empowerment in Born Global Companies2018In: Journal of International Entrepreneurship, ISSN 1570-7385, E-ISSN 1573-7349, Vol. 16, no 1, p. 38-57Article in journal (Refereed)
    Abstract [en]

    This article explores the roles of leadership, vision, and empowerment in two Swedish born global companies. Using case studies and interviews with employees and managers, the article examines how managers can lead their companies by creating a vision and empowering their employees. The findings indicate that a company vision should reflect a culture that supports the employees’ daily activities and decisions. A leadership style that features delegation of responsibility and recognition of employee work autonomy empowers employees in a way that can advance the development and internationalization of the born global company, especially in situations when top managers are often away from company headquarters. © 2017 The Author(s)

  • 25.
    Ciborowska, Magdalena
    Halmstad University, School of Business and Engineering (SET).
    Konstruktion av badrumsskåp2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This bachelor thesis corresponds to 15 hp worth of independent studies conducted as a project during the spring semester of 2013 at Halmstad University. It concludes a three-year mechanical engineering program with focus on technical design. The project was conducted in collaboration with Macro International AB together with Ballingslöv, and with the help of Jörgen Carlsson, who provided supervision on behalf of the company.The purpose of this project was to develop a bathroom cabinet that would fit into Ballingslövs future bathroom line. The final product had to meet the requirements set by the company in regards to lighting, design and storage possibilities. To ensure an outstanding result, a design process had to be determined before the product development could begin. The project then proceeded according to the steps of this process. Boundaries were set, concerning elements that could have been a part of the process but were not included, mainly because of the time limit. The elements which were included in the design process were divided into five stages: initial phase, analysis phase, idea generation, further development and final phase. The obtained result consists of a final proposal for a functional bathroom cabinet and a primary concept for storage in the mentioned cabinet. The generated product was visualized using Catia V5R20 and KeyShot 4. Prints that can be used in case of production are provided as attachments in this paper.

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  • 26.
    Dahlqvist, Oliver
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Karupovic, Dino
    Halmstad University, School of Business, Engineering and Science.
    Validering av vakförluster: En jämförelsestudie av vindkraftsparken Skäppentorps vakförluster2020Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Climate change is mankind’s biggest challenge and scientists around the globe agree that civilization is pushing towards a breaking point. Renewable energy are alternatives that are capable to remove the need for fossil fuel. Wind power will play a vital role and has the possibility to confront the challenges that face the globe.

    In order for wind power to reach its full potential constructors need to take into account the distance between each wind power turbine, as it can cause energy loss and generate less electricity into the system. These energy losses decrease the potential of wind power and thus also for renewable as a whole.

    Energy losses that emerge within the space between wind power plants are named wake losses. Once the wind has passed the plant, a distance equal to seven rotor diameters is needed for the wind to regain its full force. By positioning the plants within the announced distance, the production of each plant decreases since downstream turbines are not able to generate a full effect.      

    This Bachelor thesis in Energy Engineering aims to analyse these wake losses for the wind power plant Skäppentorp, which is situated in Mönsterås County. The nearby wind power plant Brotorp is affecting Skäppentorps production and the authors of this degree project chose to present the wake losses as a percentage. A third wind power plant named Idhult functioned as a reference. Idhult is of course not affected before the positioning of Brotorp but neither after it, therefore the plant was used to ensure that weak winds were not ascribed to Brotorp but are a result of a weak wind year. The Bachelor thesis covered thus three wind power plants, Skäppentorp which interacts and is affected by Brotorp and Idhult which served as reference. The wake losses were calculated in Microsoft Excel and set against the software windPRO to validate the programmed produced losses for the same plant.

    Skäppentorp’s surrounding were divided into 12 sectors, where each sector covers an angle of 30 degrees. By doing so a full circle, 360 degrees, surrounding the plant was established. The wind speed and the production before respectively after Brotorp deployment was produced by using a nearby measuring post. Via an average production value for each sector, before and after Brotorp, a percentage wake loss was calculated. This was set against Idhult to sort away better respectively worse wind years. The period before covered the year 2012 until 2015 and the period after covered 2016 until 2018. 

    The result from Microsoft Excel indicates that sector four and sector nine were subjected to the highest percentage of losses. The results from the software windPRO however indicated the highest loss in sector four. Three sectors obtained the same percentage loss as windPRO while remaining values came out dissimilar. The distinction between some of the sectors may be caused by the positioning of some of the Brotorp turbines, where some are located on the borderline between sectors. This implies that some turbines affect two sectors when calculated with Microsoft Excel, which it does not when simulated with windPRO.

    The sum of all sections indicated that Brotorp turbines caused a wake loss of 3,8 %. This was compared to the simulation in windPRO which resulted in 5,7 %.  

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  • 27.
    Dinh, Jennifer
    Halmstad University, School of Information Technology.
    Att jämföra billigast energi med spotpris och väder2020Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Today it is possible to connect equipment to the network at home and have a Smart Home. A household has two electricity agreements, electricity networks and electricity trading. Electricity network is tied to the area you live and cannot be changed, but electricity trading is a different matter. In electricity trading, what you want is the lowest price and that is where the hourly rate matters. Electricity costs can be high and to reduce costs and use green energy, this degree project has developed a system that will inform a user about the spot price and weather.

    The project has used Android Studio (front-end), Firebase Realtime database and a Java program (back-end). With the Green Weather API and the Google Maps Geocoding API has information about the user, electricity prices and weather been collected in the database. The results in this project was an app that showed electricity prices of the day, weather and other factors that helps a household with self-produced energy to follow. However, electricity prices could not be compared with weather. Further development would be to have the back-end running on a Raspberry Pi where appliances could be controlled in the future.

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  • 28.
    Djervbrant, Karl-Johan
    et al.
    Halmstad University, School of Information Technology.
    Häggström, Andreas
    Halmstad University, School of Information Technology.
    A Study on Fingerprinting of Locally Assigned MAC-Addresses2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The number of WiFi Devices is increasing every day, most people traveling hasa device with a WiFi network card enabled. This is something EffectSoft AB in Halmstad utilizes in their service Flow, to track and count devices. The accuracy of counted devices was however not accurate enough for a commercial use and this is where this candidate Thesis will continue research on how to improve the accuracy. It introduces the fundamental problem on how one cannot directly count transmitted MAC-Addresses to count present devices, since the manufacturers implement features against this such as MAC-Address randomization. It covers how manufacturers are not consistent in their implementation of the IEEE 802.11 standard, how this can be utilized to estimate how many devices are present in the networkwith three different approaches. It also concludes that Control Frame Attacks is not a viable approach any longer to count devices and the best method for counting devices are a combination of Passive Probe Request Analysis techniques.

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  • 29.
    Dugonic, Mladen
    et al.
    Halmstad University, School of Information Technology. Halmstad University.
    Banjac, Sofia
    Halmstad University, School of Information Technology. Halmstad University.
    Adaptive Cooling Water Control for Sterilizers2023Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis was conducted with the objective of reducing water consumption byoptimizing the cooling systems of steam sterilizers. As water is a precious resourcewith great environmental effects, it is important not to waste it. Consequently, thereis a need for a more resource-efficient cooling water system. The project focuses onthe development of a system that more efficiently regulates the cooling water utilization by optimizing temperatures. The goal of the project is to achieve a 20% reduction in water consumption of the GSS-91413 model steam sterilizer manufacturedby Getinge. In order to achieve the goal, changes were made to the cooling systemand control logic of the cooling system. By integrating a proportional valve at theoutlet of the cooling system, the system was pressurized with the coolant resultingin greater energy transfer between the condensate and the coolant. The developedcontrol logic incorporates process data combined with an equation-based approachthat utilizes temperature data to adjust the proportional valve leading to increasedcontrol of the flow of the coolant. As a result, the overall water consumption of thesystem was reduced by more than 50% while the maximal temperature of the systemdid not rise more than 1.5%.

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  • 30.
    Ekstrand, Filip
    et al.
    Halmstad University, School of Information Technology.
    Lindgren, Jenny
    Halmstad University, School of Information Technology.
    Stöttande digital konversationsagent och utmärkt hälsa: Hur en konversationsagent kan designas för att motivera användare till vardagsmotion2024Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
    Abstract [sv]

    Användningen av konversationsagenter har ökat de senaste åren, då tekniken utvecklassnabbt. En utmaning inom design av konversationsagenter är att kombinera enkonversationsagent med motivation inom vardagsmotion. Tidigare studier har undersöktkonversationsagenter i andra kontexter så som i bilar, men det saknas forskning ikontexten vardagsmotion. Inom självbestämmandeteorin har tidigare forskning visat attmotivation kan stöttas genom de tre psykologiska behoven autonomi, kompetens ochsamhörighet. Forskning inom design av konversationsagenter har visat att förståelse ochförtroende är en stor del för god design. Studien syftar till att undersöka hur olikadesignförslag baserat på autonomi, kompetens och samhörighet inomsjälvbestämmandeteorin kan användas för att designa en konversationsagent för attmotivera vardagsmotion. För att undersöka detta har en designorienterad studiegenomförts där designförslag formats från litteraturen. De designförslag som formatshar därefter utvärderats med hjälp av en prototyp tillsammans med testpersoner. Studienhar resulterat i kunskaper om hur en konversationsagent kan designas för att motiveratill vardagsmotion. Sex designförslag presenteras som beskriver hur enkonversationsagent kan designas för att främja motivation.

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  • 31.
    Emil, Söder
    Halmstad University, School of Information Technology.
    Central autentisering för ett inbyggt system.2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Central authentication is a method that has been around a long time to manage users tovarious network resources, such as computers, printers, and servers. At a time whenmany industries are upgrading and expanding to meet new requirements to be accessedfrom around the world, many systems need to be rebuilt. The work will be donetogether with HMS Industrial Networks AB and will investigate the possibility ofauthenticating users against a built-in controller centrally instead of locally, as it istoday. Theory will be commingled with experiments of possible implementations andfinally evaluated with all the facts and a conclusion will be presented.

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  • 32.
    Engström, Philip
    et al.
    Halmstad University.
    Törnblom, Daniel
    Drömmen om det perfekta vapnet: – en studie i brukarförväntningar2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Sweden’s Defence Forces are in the process of procuring a new personal firearm to replace the current Ak5 (a version of the FN FNC) which has been in service for almost 35 years. There are many opinions on this matter and a great deal of interest among the future users, ie the soldiers and officers. 

    Our study aims to develop a deeper understanding of the user expectations for this new weapon. We are using a qualitative, inductive method with semi-structured interviews and netnography.von Hippel’s lead user concept has been the main reference for the design of this thesis, which means that we have interviewed those users who are perceived to have more to gain from a product development than other users. A lead user is often knowledgeable in his or her topic, might be leading development within the topic and it is not unusual for the lead user to have a social standing permitting him or her to influence others regarding the topic. We have also used internet forums discussing firearms to broaden the study since we know that a lot of the current discussions are occurring online and we expect this trend to continue in the near future. On top of the characteristics users want in a new weapon, some other aspects have come to light during the course of our research, these are also discussed in the thesis.

    Why is there an unproportionate amount of time spent on discussing firearms? Is there a greater value to a personal firearm than just its function? What role should the user perspective play in the Swedish Armed Forces? What are the consequences of the users being dissatisfied with the product? What is the role of the assault rifle in the Swedish Defence Forces and what specific purpose is it meant to fill? Is it possible to fit all purposes with one single weapon, which has been the role of the Ak5 for long periods of time. How should the Swedish Defence Forces respond to the fact that heavy body armour is issued to Russian troops? The Swedish Armed Forces has made an attempt at involving the user perspective in the process but our study should be seen as an important complement to this effort.

     

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  • 33.
    Erik, Asp
    Halmstad University, School of Business and Engineering (SET).
    Bullerreducering i produktionen på McNeil AB2014Independent thesis Basic level (university diploma), 180 HE creditsStudent thesis
  • 34.
    Ernst, Robert
    et al.
    Halmstad University, School of Information Technology.
    Nilsson, Emil
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), MPE-lab.
    Viberg, Per-Arne
    Swedish Adrenaline AB, Halmstad, Sweden.
    60GHz Vital Sign Radar using 3D-printed Lens2016In: 2016 IEEE SENSORS, Piscataway: IEEE, 2016, article id 7808774Conference paper (Refereed)
    Abstract [en]

    There is an increased interest in contact-less vital sign monitoring methods as they offer higher flexibility to the individual being observed. Recent industrial development enabled radar functionality to be packed in single-chip solutions, decreasing application complexity and speeding up designs. Within this paper, a vital sign radar has been developed utilizing a recently released 60GHz frequency modulated continuous wave single-chip radar in combination with 3D-printed quasi-optics. The electronics development has been focused on compactness and high system integration using a low cost design process. The final experiments prove that the radar is capable of tracking human respiration rate and heartbeat at the same time from a distance of 1m.

  • 35.
    Fallahi, Sara
    et al.
    Chalmers University of Technology, Gothenburg, Sweden.
    Holmén, Magnus
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Björkdahl, Joakim
    Chalmers University of Technology, Gothenburg, Sweden.
    Organizing business model innovation in established firms2016Conference paper (Refereed)
    Abstract [en]

    Research focusing on business model innovation tends to either be case-based, studying the transformation of a firm’s business model, or normative in terms of how to implement new business models. Prior research has tended to neglect the various choices and decisions of the organization for business model innovation and the mechanisms that lead to good or poor business model implementation performance. This paper identifies mechanisms that influence the performance of the business model innovation process. Empirically, the paper draws on two case studies of two multinational firms, Skanska and IKEA, and how they organized their business model innovation processes. The paper identifies four mechanisms, including search, leadership, commitment, and external collaboration, derived from within-case and cross-case analysis. The paper contributes to the growing field of business model innovation by showing important mechanisms that influence the potential and performance of the implemented business model innovations.

  • 36.
    Fareed, Azqa
    Halmstad University, School of Information Technology.
    Designing a digital service for cervical cancer screening participants.: Visualizing cervical cancer registry data2023Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Screening programs for cervical cancer are performed to diagnose the early stage of cancer and prevent its development. Historically, the screening test was taken every three years, but it gradually varied due to continuous changes in technology, guidelines, and a new type of test. These changes made the screening participants uncertain and worried about understanding and interpreting the meaning of various test results and frequent follow-ups. These test results are manual and time-consuming to date. The participants seek it as digital, allowing easy and fast access to information. The primary research challenge of the proposed study is to present simple and complex test history data to the participants in an easily understandable way. The proposed research helped to design an artifact (prototype) that can be utilized to develop a digital service that does not cause any uncertain worry for the participants in understanding the complex test history data. For this, the proposed thesis study used state-of-the-art visualization techniques following the guidelines of design science research. 

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  • 37.
    Farouq, Shiraz
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Byttner, Stefan
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Bouguelia, Mohamed-Rafik
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Nord, Natasa
    Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim, Norway.
    Gadd, Henrik
    Öresundskraft, Helsingborg, Sweden.
    Large-scale monitoring of operationally diverse district heating substations: A reference-group based approach2020In: Engineering applications of artificial intelligence, ISSN 0952-1976, E-ISSN 1873-6769, Vol. 90, article id 103492Article in journal (Refereed)
    Abstract [en]

    A typical district heating (DH) network consists of hundreds, sometimes thousands, of substations. In the absence of a well-understood prior model or data labels about each substation, the overall monitoring of such large number of substations can be challenging. To overcome the challenge, an approach based on the collective operational monitoring of each substation by a local group (i.e., the reference-group) of other similar substations in the network was formulated. Herein, if a substation of interest (i.e., the target) starts to behave differently in comparison to those in its reference-group, then it was designated as an outlier. The approach was demonstrated on the monitoring of the return temperature variable for atypical and faulty operational behavior in 778 substations associated with multi-dwelling buildings. The choice of an appropriate similarity measure along with its size k were the two important factors that enables a reference-group to effectively detect an outlier target. Thus, different similarity measures and size k for the construction of the reference-groups were investigated, which led to the selection of the Euclidean distance with = 80. This setup resulted in the detection of 77 target substations that were outliers, i.e., the behavior of their return temperature changed in comparison to the majority of those in their respective reference-groups. Of these, 44 were detected due to the local construction of the reference-groups. In addition, six frequent patterns of deviating behavior in the return temperature of the substations were identified using the reference-group based approach, which were then further corroborated by the feedback from a DH domain expert. © 2020 Elsevier Ltd

  • 38.
    Florén, Henrik
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Agostini, Alessandro
    Einsights Pte. Ltd., Singapore, Singapore.
    The Business Model Innovation Map: A Framework for Analyzing Business Model Innovation2015In: IAMOT 2015: 24th International Association For Management Of Technology Conference Proceedings: Technology, Innovation and Management for Sustainable Growth / [ed] Leon Pretorius & George Alex Thopil, Hatfield: University of Pretoria & Media Chef CC , 2015, p. 2192-2207Conference paper (Refereed)
    Abstract [en]

    Business model innovation has received substantial attention by both practitioners and researchers during the last fifteen years. While many companies have good processes and a shared sense of how to innovate technology, they are less capable when it comes to how they should innovate business models. This lack of practical skills is mirrored by the shortage of scholarly understanding, in which business model innovation as a phenomenon is poorly explained in comparison to e.g. product or process innovations.

    Although previous research has contributed greatly to the advancements of business model innovation, our conceptual understanding of business model innovation is still rather confused. Behind this study, lies two related assumptions; (i) not all business model innovations are the same, and, (ii) different types of business model innovation will challenge firms in different ways. To this background, the purpose of this study is to develop a framework that will allow for a conceptual differentiation between different types of business model innovation.

    The paper draws on previous studies in the field of technology and innovation management and develops a framework – “The Business Model Innovation Map” – that distinguishes between different types of business model innovation according to their degree of novelty. The framework is illustrated by several real-life examples of business model innovation.

    The paper adds to our understanding of innovation management as it allows for a better understanding of business model innovation as a distinct type of innovation. More specifically, it helps differentiating transformative business model innovations from mere incremental ones, and, as such, it presents a novel approach to categorize different types of business model innovation. The framework can serve as a basis for future in-depth empirical investigations of different types of business model innovation that can help firms to better understand how to manage such innovations. Copyright © 2015 by Halmstad University and Einsights Pte. Ltd.

  • 39.
    Florén, Henrik
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Frishammar, Johan
    Luleå University of Technology, Luleå, Sweden.
    Löf, Anton
    RMG Consulting, Stockholm, Sweden.
    Ericsson, Magnus
    Luleå University of Technology, Luleå, Sweden.
    Raw Materials Management in Iron and Steelmaking Firms2019In: Mineral Economics, ISSN 2191-2203, E-ISSN 2191-2211, Vol. 32, no 1, p. 39-47Article in journal (Refereed)
    Abstract [en]

    This paper adds new knowledge on how raw materials should be managed in iron and steelmaking firms. While previous research has contributed significantly to how firms should deal with functional challenges related to raw materials, the understanding of Raw Materials Management from a holistic perspective is largely lacking, and extant research does not provide qualified advice to firms on this matter. This study provides such knowledge by drawing on insights from Höganäs AB, a world leader in ferrous powder metallurgy, and their efforts to identify key aspects and principles of raw materials management. Our elaboration of a more holistic view on raw materials management builds on two elements. First, we depict five external uncertainties and three internal conditions that impact firm-level raw materials management. Second, we present six critical capabilities that underpin proficient firm-level raw materials management. The paper concludes with a discussion of implications for both firms aiming to increase their raw materials proficiency and to future investigations into this important area. © The Author(s) 2018

  • 40.
    Florén, Henrik
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Gabrielsson, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Lee, Carmen
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Survival Through Business Model Innovation: A Longitudinal Case Study from the Process Industries2014Conference paper (Refereed)
    Abstract [en]

    It is widely acknowledged that the design and quality of the business model is a main building block in what constitute a successful company. In this paper, we approach the critical question of how firms can successfully renew their business models over time. The aim is to identify the main sequences of events that precede business model innovation and which trigger evolutionary changes in how a firm develops and capture value. Theoretically, we approach business model innovation as an evolutionary phenomenon by emphasizing the dynamic and path dependent aspects of strategic change processes. Empirically, we employ a historical case study where we make an in-depth analysis of a firm in the process industry that has managed to innovate its business model several times since its inception. In all, the study identifies five main sequences of events related to customer value proposition, strategic investments, corporate identity, corporate structure, and value networks.

  • 41.
    Fockstedt, Jonas
    et al.
    Halmstad University, School of Information Technology.
    Krcic, Ema
    Halmstad University, School of Information Technology.
    Exploring and Expanding the Functionalities of the MobileCoach Platform2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Non-communicable diseases are the greatest burden on global healthcare, and because of today's limited health personnel, scalable behavioral health interventions are in need. MobileCoach is a behavioral intervention platform designed for aiding behavioral change amongst individuals. The work from this candidate thesis extends the MobileCoach platform by integrating the mobile application with Google Fit. Letting the platform collect the amount of steps an intervention participant has taken during a given day with the help of Google Fit. This required modification to the code of the mobile application, allowing MobileCoach to query for user Google Fit step data. As a contribution to MobileCoach, future work in the platform can consist of measuring the intensity of steps. That will give a better measurement of the health condition within the participant rather than only measuring the amount of steps.

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  • 42.
    Frost, Christoffer
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Månsson, Peter
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Anti-Virus Programs Evaluation2014Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    Malware is always growing and changing as new kinds of viruses and othermalicious software is developed to infect and bring havoc into your computer. In anenvironment where almost the entire world is computer-driven, this is extraimportant to know.Our report concerned malware and it's abilities to infect computer devices indifferent ways.We approached this by doing a theoretical investigation on malware and testingdifferent free anti-virus programs.Our results was that there can be big differences in how good an anti-virus programis in terms of performance and if they actually find viruses or not, so it's importantto make a good choice.IV

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  • 43.
    Gadd, Henrik
    et al.
    Oresundskraft AB, Helsingborg, Sweden.
    Werner, Sven
    Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).
    Fault detection in district heating substations2015In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 157, p. 51-59Article in journal (Refereed)
    Abstract [en]

    Current temperature levels in European district heating networks are still too high with respect to future conditions as customer heat demands decrease and new possible heat source options emerge. A considerable reduction of temperature levels can be accomplished by eliminating current faults in substations and customer heating systems. These faults do not receive proper attention today, because neither substations nor customer heating systems are centrally supervised. The focus of this paper has been to identify these faults by annual series of hourly meter readings obtained from automatic meter reading systems at 135 substations in two Swedish district heating systems. Based on threshold methods, various faults were identified in 74% of the substations. The identified faults were divided into three different fault groups: Unsuitable heat load pattern, low average annual temperature difference, and poor substation control. The most important conclusion from this early study of big data volumes is that automatic meter reading systems can provide proactive fault detection by continuous commissioning of district heating substations in the future. A complete reduction of current faults corresponds to approximately half the required reduction of the current temperature levels in the effort toward future low-temperature district heating networks. (C) 2015 The Authors. Published by Elsevier Ltd.

  • 44.
    Gama, Fábio
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). Department of Business Administration, Santa Catarina State University, Florianópolis, Brazil & Department of Entrepreneurship and Innovation, Luleå University of Technology, Luleå, Sweden.
    Managing collaborative ideation: The role of formal and informal appropriability mechanisms2018In: The International Entrepreneurship and Management Journal, ISSN 1554-7191, E-ISSN 1555-1938, Vol. 15, no 1, p. 97-118Article in journal (Refereed)
    Abstract [en]

    Collaborative ideation is a key practice for innovation. Implementing suitable appropriability mechanisms during this collaborative ideation is a necessary yet difficult task. This difficulty owes to a high level of uncertainty and low level of codification because partners work on loosely defined concepts that may change during the collaboration. Firms can employ several appropriability mechanisms to protect their knowledge. Examples include patents, copyright, legal agreements, document management, lead time, secrecy and complexity. However, the best time to apply each mechanism remains unclear, and few empirical studies have explored this issue. This study is based on exploratory case studies of three manufacturing firms. The goal is to identify which appropriability mechanisms are pertinent at each phase of collaborative ideation and how they influence the effectiveness of protection. The results of the analysis lead to the development of a model describing the managerial practices that influence the effectiveness of protection. The results also lead to a set of research propositions to define when each appropriability mechanism is most likely to be used. Overall, this research contributes to the discussion of how to integrate formal and informal appropriability mechanisms for safe collaborative ideation. © 2018, The Author(s).

  • 45.
    Gama, Fábio
    Department of Business Administration, Technology and Social Sciences, Luleå University of Technology, Luleå, Sweden.
    Managing the Collaborative Front End of Innovation in Manufacturing Firms: Requirements, Capabilities, and Conditions2018Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    The front end is a phase of the innovation process that starts with a new product idea and completes when firms have developed a new product definition. This phase is critical for many manufacturing firms. Front-end outcomes is indeed critical to overall product success, market penetration, time to-market, and financial performance. During this phase, new products are born as ideas, and subsequently move through screening, project definition, and business analysis. However, this phase remains poorly understood in the era of more open innovation (e.g., interfirm collaboration). Although the literature on front end of innovation is well developed, prior studies have largely focused on bilateral agreements and have overlooked conditions for collaboration with science-based partners (universities and research institutes). This is especially true for manufacturing firms, for which a continuous stream of new product ideas is a key source of competitiveness. To make things worse, the front end of innovation conducted with external actors involved is often characterized by incongruent practices by partners, different magnitudes of fuzziness, and considerable risks in revealing new ideas. Developing new product definitions with different partners is thus a risky endeavor if mishandled that may seriously compromise competitive advantages of firms. Therefore, greater knowledge is required to facilitate the collaborative front end with different types of partners. Against this background, the purpose of this dissertation is to understand how to manage the collaborative front end in manufacturing firms, with a particular focus on requirements, capabilities, and conditions.

    To fulfill this research purpose, data on manufacturing firms were collected through four case studies and one survey. In total, this dissertation is based on empirical data from 81 interviews with R&D members across 10 medium-sized and large manufacturing firms, as well as a survey of 146 small and medium-sized manufacturing firms. Respondents were based in Brazil or Sweden. The key theories and literature covered include coordination modes, control mechanisms, organizational routines, the resource-based view, and appropriability mechanisms.

    This dissertation makes several contributions. First, it extends the front-end literature by presenting the concepts of systematic idea generation and fuzziness assessment as a prerequisite for improving front-end performance. Second, this dissertation lists collaboration conditions that help firms cooperate better with science-based partners. By collaborating with science-based partners, firms  can access codified and tacit scientific knowledge, enabling them to rapidly build on the latest research insights. The findings suggest particular practices that can be applied to reduce cultural differences and diminish goal divergence among project members. Third, this dissertation describes a set of detailed practices to streamline the involvement of different types of partners using diverse appropriability mechanisms. Ultimately, a theoretical framework is developed to describe how to manage the collaborative front end of innovation. The theoretical framework explains how manufacturing firms can use their organizational capabilities to efficiently and safely develop new product ideas. In particular, the framework identifies the necessary capabilities to explore mechanisms, practices, and routines in terms of divergent thinking, external expertise, and multiple opinions. Altogether, these contributions will assist firms to better manage collaborative front end.

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  • 46.
    Gama, Fábio
    et al.
    Luleå University of Technology, Luleå, Sweden.
    Amboni, Nério
    Universidade do Estado de Santa Catarina, Florianópolis, Brasil.
    Dias Alperstedt, Graziela
    Universidade do Estado de Santa Catarina, Florianópolis, Brasil.
    César Barreto Moraes, Mário
    Universidade do Estado de Santa Catarina, Florianópolis, Brasil.
    The front end as a process: the case of a multinational Brazilian firm2016In: Gestão e Produção, ISSN 0104-530X, Vol. 23, no 3, p. 459-472Article in journal (Refereed)
    Abstract [en]

    This article examines the context of the front-end process in a multinational Brazilian firm that manufactures electric motors. By adopting an in-depth case study method, this article evaluates the front end as a strategic and tactical process within the Brazilian firm studied. The competitive arena, consisting mainly of Asian competitors, encouraged the Brazilian firm to review the stages of the front-end process and include new activities, such as (i) involving abstractive practices in the first stages; (ii) developing cross-functional capabilities in the research and development department; (iii) adopting tear-down activities of competitors’ products concerning all business segments; and (iv) defining a priori the boundary conditions of financial constraints.

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  • 47.
    Gama, Fábio
    et al.
    Halmstad University, School of Business, Innovation and Sustainability.
    Florén, Henrik
    Halmstad University, School of Business, Innovation and Sustainability.
    Sjödin, David
    Luleå University of Technology, Luleå, Sweden.
    Artificial Intelligence Capabilities as Enablers for Digital Innovation Processes: A Systematic Literature Review2021Conference paper (Refereed)
    Abstract [en]

    Firms increasingly use artificial intelligence (AI) to innovate. Yet, the current literature offers fragmented guidance regarding its use in innovation processes. This study argues that the exponential use of AI has resulted in a mass of disorganised knowledge, creating confusion and frustration surrounding how managers navigate from conventional to digital innovation processes. A systematic literature review was carried out to examine studies investigating AI innovation published over the last decade (2011–2021). The results suggest that AI is present across all innovation phases and that firms have created three unique capabilities: AI-enabled ideation, AI-enabled development, and AI-enabled commercialisation. This article enriches the innovation management literature, and it equips managers with practical guidance in the use of AI.

  • 48.
    Gama, Fábio
    et al.
    Department of Business Administration, Technology and Social Sciences, Luleå University of Technology, Luleå, Sweden & Department of Business Administration, Santa Catarina State University, Florianópolis, Brazil.
    Frishammar, Johan
    Department of Business Administration, Technology and Social Sciences, Luleå University of Technology, Luleå, Sweden.
    Parida, Vinit
    Department of Business Administration, Technology and Social Sciences, Luleå University of Technology, Luleå, Sweden & Department of Management, University of Vaasa, Vaasa, Finland.
    Idea generation and open innovation in SMEs: When does market‐based collaboration pay off most?2019In: Creativity and Innovation Management, ISSN 0963-1690, E-ISSN 1467-8691, Vol. 28, no 1, p. 113-123Article in journal (Refereed)
    Abstract [en]

    Small‐ and medium‐sized enterprises (SMEs) largely depend on proficient idea generation activities to improve their front‐end innovation performance, yet the liabilities of newness and smallness often hamper SMEs' ability to benefit from systematic idea generation. To compensate for these liabilities, many SMEs adopt an open innovation approach by collaborating with market‐based partners such as customers and suppliers. This study investigates the relationship between SMEs' systematic idea generation and front‐end performance and investigates the moderating role of market‐based partnership for SMEs. Drawing on a survey of 146 Swedish manufacturing SMEs, this study provides two key contributions. First, the systematic idea generation and front‐end performance relationship in SMEs is non‐linear. Accordingly, higher levels of front-end performance are achieved when idea generation activities are highly systematic. Second, the returns from higher levels of systematic idea generation are positively moderated by market‐based partnerships. Thus, external cooperation with customers and suppliers pays off most toward front‐end performance when SMEs have highly systematic idea generation processes. These results indicate a contingency perspective on the role of external partnerships. They also have implications for research into the front‐end of innovation and open innovation in the context of SMEs. © 2018 John Wiley & Sons Ltd

  • 49.
    Gama, Fábio
    et al.
    Luleå University of Technology, Luleå, Sweden.
    Frishammar, Johan
    Luleå University of Technology, Luleå, Sweden.
    Parida, Vinit
    Luleå University of Technology, Luleå, Sweden.
    Idea Generation in SMEs: when does market-based partnership pay off most?2016Conference paper (Refereed)
    Abstract [en]

    Small- and medium-sized enterprises (SMEs) strongly depend on idea generation to improve the front-end of innovation performance, yet internal resource and capability limitations may hamper successful idea generation in SMEs. Therefore, many SMEs may choose to collaborate with market-based partners such as customers and suppliers to compensate for lack of internal resources. We ask when and under which circumstances does such collaboration provides’ highest benefit towards front-end innovation performance? By drawing on a survey of 142 Swedish manufacturing SMEs, this paper provides two key findings. First, systematic idea generation and front-end performance relationships is non-linear, such that disproportionally higher levels of performance are achieved when idea generation is highly systematic. Second, the pay-off from high level of idea generation is largely influenced by presence of market-based partners. Thus, our findings show that external collaboration in idea generation does not pay off unless SMEs have internal systematic processes for idea generation in place before external input is sought. This implies a contingency perspective on external collaboration and provides implications for research into the front-end of innovation and open innovation, in addition to novel managerial implications about how to better involve partners in idea generation and selection.

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  • 50.
    Gama, Fábio
    et al.
    Halmstad University, School of Business, Innovation and Sustainability. School of Business and Administration, Santa Catarina State University, Florianópolis, Brazil.
    Magistretti, Stefano
    School of Management Politecnico di Milano, Milano, Italy.
    Artificial intelligence in innovation management: A review of innovation capabilities and a taxonomy of AI applications2023In: The Journal of product innovation management, ISSN 0737-6782, E-ISSN 1540-5885Article, review/survey (Refereed)
    Abstract [en]

    Artificial intelligence (AI) is a promising generation of digital technologies. Recent applications and research suggest that AI can not only influence but also accelerate innovation in organizations. However, as the field is rapidly growing, a common understanding of the underlying theoretical capabilities has become increasingly vague and fraught with ambiguity. In view of the centrality of innovation capabilities in making innovation happen, we bring together these scattered perspectives in a systematic and multidisciplinary literature review. The aim of this literature review is to summarize the role of AI in influencing innovation capabilities and provide a taxonomy of AI applications based on empirical studies. Drawing on the technological–organizational–environmental (TOE) framework, our review condenses the research findings of 62 studies. The results of our study are twofold. First, we identify a dichotomous view of innovation capabilities triggered by AI adoption: enabling and enhancing. The enabling capabilities are those that research identifies as enablers of AI adoption, underscoring the competencies and routines needed to implement AI. The enhancing capabilities denote the role that AI adoption has in transforming or creating innovation capabilities in organizations. Second, we propose a taxonomy of AI applications that reflects the practical adoption of AI in relation to three underlying reasons: replace, reinforce, and reveal. Our study makes three main contributions. First, we identify the innovation capabilities that are either required for or generated by AI adoption. Second, we propose a taxonomy of AI applications. Third, we use the TOE framework to track trends in the theoretical contributions of recent articles and propose a research agenda. © 2023 The Authors.

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