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  • 1.
    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.

  • 2.
    Akram, Asif
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Åkesson, Maria
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    A Research Framework to Study how Digital Service Innovation Transforms Value Networks2011In: Proceedings of IRIS 2011 / [ed] Leino, Timo, Turku, Finland: Turku Center for Computer Science , 2011, p. 29-40Conference paper (Refereed)
    Abstract [en]

    This paper reports from preparations in an ongoing research study concerning how digital service innovation transforms value networks in manufacturing industries. The research study is in the context of the vehicle industry and concerns digital e-maintenance services based on remote diagnostics systems. This digital service innovation in particular is of great importance since manufacturing industries have great potential to expand their business and found new and extended boundaries and relationships with other stakeholder in a network they are attached to. Core challenges and opportunities for digital service innovation will lead us to the study of its influence on the business and innovation environment i.e. the value network. This paper presents a framework to study how digital service innovation transforms value networks based on literature reviews on value network, digital innovation and transformation of value networks.

  • 3.
    Aldebes, Mujtaba
    Halmstad University, School of Information Technology.
    Smart Shopping Cart: Automatisering av handelsprocessen vid fysiska butiker, teknisk innovation2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Thefts and shoplifting is a big problem for local stores, additionally the development of e-commerce is a deciding factor for the success of physical stores and their profitability. An increasing amount of money is being invested in security solutions, guards and other related personnel. 

    The goal of this Bachelors thesis has been to develop a product for a modern and innovative smart shopping cart. The resulting cart is a tool that is more suitable for the benefit of consumers and their need for a more comfortable shopping experience, it has the benefit of streamlining the shopping process which in turn could attract repeat customers. 

    Through the use of new technology as well as the Internet and new functions at a competitive price point there is a great opportunity to market this product. The shopping cart uses image analysis and a load cell which alleviates the need for customers to manually scan each article for purchase, instead it is identified and registered as it is placed in the shopping cart. 

    The prototype has been compared to other solutions and conclusions have been drawn as to the optimality of the product fulfill the purpose.

  • 4.
    Alonso-Fernandez, Fernando
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Farrugia, Reuben
    University of Malta, Msida, Malta.
    Bigun, Josef
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research.
    Very Low-Resolution Iris Recognition Via Eigen-Patch Super-Resolution and Matcher Fusion2016In: 2016 IEEE 8th International Conference on Biometrics Theory, Applications and Systems (BTAS), Piscataway: IEEE, 2016, article id 7791208Conference paper (Refereed)
    Abstract [en]

    Current research in iris recognition is moving towards enabling more relaxed acquisition conditions. This has effects on the quality of acquired images, with low resolution being a predominant issue. Here, we evaluate a super-resolution algorithm used to reconstruct iris images based on Eigen-transformation of local image patches. Each patch is reconstructed separately, allowing better quality of enhanced images by preserving local information. Contrast enhancement is used to improve the reconstruction quality, while matcher fusion has been adopted to improve iris recognition performance. We validate the system using a database of 1,872 near-infrared iris images. The presented approach is superior to bilinear or bicubic interpolation, especially at lower resolutions, and the fusion of the two systems pushes the EER to below 5% for down-sampling factors up to a image size of only 13×13.

  • 5.
    Amjadi, Hamid Reza
    Halmstad University, School of Business, Engineering and Science. Halmstad.
    Technical and economic evaluations of the battery energy storage systems for a residential building along with the photovoltaic system2017Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Photovoltaic (PV) system and the battery energy storage system are promising to supply power for residential buildings. Solar panels along with the battery energy storage (BESS) presents an opportunity for the households to use a much greater proportion of the solar photovoltaic (PV) to generate the electricity and minimize the need of purchasing expensive electricity from the electricity grid. This project presents a framework for conducting the economic and technical analysis of residential house along with the integration of solar panel units and the BESSs. In this study, the electricity consumption of a multi flats building (Magnolia) in Helsingborg and the PV production profile under local weather conditions are compared and analyzed. The proposed framework is developed by considering different prices of electricity of the existing electricity market in Sweden as well as the investment costs for the solar PV units and BESSs. The economic analysis is carried out based on different economic measures such as electricity price, simple payback analysis, net present value, payback analysis based on funding and without funding, and reduction in carbon-di-oxide (CO2) emissions. Technical evaluations of the BESS are carried out based on peak shaving purpose and overproduction from the solar panels. and The results show that ten 28 kWh of the BESSs in Magnolia building is required in order to meet the customer electricity demand and reduce the stress on the electricity grid as well as power cost and size of the fuse. Furthermore, the customer saves 154256 kr yearly, with the payback period of 14 to 20 years, which is almost similar to the expected lifetime of such a BESS.

  • 6.
    Andersson, Evelina
    Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS).
    The 2-dimensional biomechanical modeling of the loads on the spine (L5-L1) during a “Back Walkover” maneuver in gymnastics2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Injuries in the female gymnast are common and it is important to understand the biomechanical factors responsible for injury. The Back Walkover maneuver requires one of the greatest amounts of lumbar hyperextension compared to other common gymnastic maneuvers. During the Back Walkover large lateral and vertical impact forces follows on the spine. The spine and muscles around the spine have to absorb generally large forces; therefore the loads on the back and certainly on the lower back are of significant interest. Additionally, it takes a lot of strength and a vast range of motion to perform gymnastic maneuvers such as The Back Walkover. It is of interest to study mechanical loads on a female gymnast since they show higher occurrences of stress-related pathologies of the lumbar spine.

    Therefore the purpose of this project was to examine the loads on the spine during the gymnastic maneuver Back Walkover. Tests on a single female gymnast were made at the sports engineering lab at the University of Adelaide in Australia. Using the 3D-camera system; Optitrack Motion Capture System and Kistler Force Plate, positional data for two dimensions, X-direction (anterior-posterior) and Z-direction (vertical), and ground force were received. Data received were progressed into a graph, diagrams and biomechanical calculations where forces for the vertebrae L1 were calculated in vertical and horizontal direction. The received forces were compared to vertical and horizontal forces in L1 during standing position. Together with developed videos this assisted to model the loads of the spine (L1) during the gymnastic maneuver the “Back Walkover”. The study has led to a deeper knowledge for the community about the risks for female gymnasts and has widened the experience of the project participant, as the project aimed. 

  • 7. Andersson, Helena
    Förstudie av solcellsanläggning på en skola i Tanzania2015Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
  • 8.
    Andersson, Jonas
    et al.
    Research Institutes of Sweden, RISE Viktoria, Gothenburg, Sweden.
    Habibovic, Azra
    Research Institutes of Sweden, RISE Viktoria, Gothenburg, Sweden.
    Klingegård, Maria
    Research Institutes of Sweden, RISE Viktoria, Gothenburg, Sweden.
    Englund, Cristofer
    Research Institutes of Sweden, RISE Viktoria, Gothenburg, Sweden.
    Malmsten-Lundgren, Victor
    Research Institutes of Sweden, RISE Viktoria, Gothenburg, Sweden.
    Hello human, can you read my mind?2017In: ERCIM News, ISSN 0926-4981, E-ISSN 1564-0094, no 109, p. 36-37Article, review/survey (Refereed)
    Abstract [en]

    For safety reasons, autonomous vehicles should communicate their intent rather than explicitly invite people to act. At RISE Viktoria in Sweden, we believe this simple design principle will impact how autonomous vehicles are experienced in the future.

  • 9.
    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.

  • 10.
    Aspizua, Lucía
    Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energy Science.
    OFFSHORE FOUNDATION - A CHALLENGE IN THE BALTIC SEA2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    ABSTRACT

    This project deals with the search of the most proper offshore foundation to install in the Baltic Sea, in order to reduce costs and environmental impact. A pre-study was performed to define the Baltic Sea conditions and the required knowledge for the following steps. Afterwards, the specifications were set and clarified, and then the concept analysis phase was started. The analysis phase included the description of each one of the current foundations, those which are considered conventional foundations and those which are innovative ones. In order to evaluate these concept foundations, selection methods were used to assess the most relevant features of these foundations which should fulfil the requirements. The concepts ranking was studied and it led to the final results. Two different outcomes were obtained; such as, innovative concepts, which obtained the first position in this report; and conventional concepts, as a second finding. The continuous contact with different experienced professionals of this sector was essential during the whole project, in order to obtain advices, experienced knowledge and feedback.

  • 11.
    Axelsson, Andreas
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Ambrosius, Christian
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Nya lagar och avtal: Hur kan de komma att förändra svenskarnas fildelningsvanor?2012Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [sv]

    I många år nu har det varit vanligt förekommande att människor suttit hemma vid sin dator och med några få klick laddat ner filmer, musik och programvaror, till en början helt lagligt, men med åren har lagar kommit till som har gjort det mer och mer olagligt.Oavsett om det har varit lagligt eller inte, så är det troligt att många artister, filmmakare och liknande gått miste om stora summor pengar i förlorade inkomster på grund av att folk inte har betalat för att ta del av deras verk, utan istället valt att ladda ner dem över Internet.

    Det faktum att fildelning har blivit så pass vanligt och att folk inte har sett det som ett särskilt allvarligt brott, har lett till att fildelning länge har varit ett hett omdiskuterat ämne i media, bland upphovsrättsinnehavare och bland folk i allmänhet. Upphovsmän och upphovsrättsinnehavare, såsom filmbolag, författare och artister har legat på och debatterat för att försöka få till en hårdare lagstiftning för att försvåra fildelning och kopiering av upphovsrättsskyddat material, samt för att få till hårdare straff mot fildelning.

    Flera försök från beslutsfattare har gjorts för att råda bot på problemet, nya lagar har stiftats och avtal har skrivits under. Frågan är om de nya lagarna och avtalen gör någon nytta? Blir folk avskräckta från att fildela eller fortsätter de som förut? Många har säkert under många år blivit bortskämda med att kunna sitta hemma vid datorn och på några minuter få hem de senaste filmerna och den nyaste musiken helt gratis, vilket säkert gör det svårt att helt plötsligt sluta fildela och börja betala för film och musik igen.

  • 12.
    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.

  • 13.
    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.

  • 14.
    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.

  • 15.
    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.

  • 16.
    Bibri, Simon Elias
    Halmstad University, School of Business, Engineering and Science.
    The human face of ambient intelligence: Cognitive, emotional, affective, behavioral and conversational aspects2015Book (Other academic)
    Abstract [en]

    As a socially disruptive technology, Ambient Intelligence is ultimately directed towards humans and targeted at the mundane life made of an infinite richness of circumstances that cannot fully be considered and easily be anticipated. Most books, however, focus their analysis on, or deal largely with, the advancement of the technology and its potential only. This book offers a fresh, up-to-date, and holistic approach to Ambient Intelligence. As such, it addresses the interdisciplinary and transdisciplinary aspects of the rapidly evolving field of Ambient Intelligence by seamlessly integrating and fusing it with artificial intelligence, cognitive science and psychology, social sciences, and humanities. It is divided into two main parts: Part 1 is about different permutations of enabling technologies as well as core computational capabilities, namely context awareness, implicit and natural interaction, and intelligent behavior. It details the existing and upcoming prerequisite technologies, and elucidates the application and convergence of major current and future computing trends. Part 2 is an accessible review and synthesis of the latest research in the human-directed sciences and computing and how these are intricately interrelated in the realm of Ambient Intelligence. It deals with the state-of-the-art human-inspired applications which show human-like understanding and exhibit intelligent behavior in relation to a variety of aspects of human functioning - states and processes. It describes and elaborates on the rich potential of Ambient Intelligence from a variety of interrelated perspectives and the plethora of challenges and bottlenecks involved in making Ambient Intelligence a reality, and also discusses the established knowledge and recent discoveries in the human-directed sciences and their application and convergence in the ambit of Ambient Intelligence computing. This seminal reference work is the most comprehensive of its kind, and will prove invaluable to students, researchers, and professionals across both computing and the human-directed sciences. © 2015 Atlantis Press and the author(s).

  • 17.
    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.

  • 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.

  • 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).

  • 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.

  • 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.
    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.

  • 23.
    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, Engineering and Science, 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)

  • 24.
    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.

  • 25.
    Dahlqvist, Anton
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Tor - The Onion Router: En utvinning av lösenord i Tor-nätverket2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Uppsatsen bygger på en analys av en exit-nod i Tor-nätverket i syfte att efterlikna ett tidigare experiment från 2007. Experimentet går ut på att analysera den information som kommer genom nätverket för att leta efter okrypterade lösenord. Experimentet görs i syfte att påvisa de brister som finns i nätverket och i användarnas säkerhetsmedvetande. Arbetet utgår från frågeställningarna:

    • Går det att utvinna känslig information från en exit-nod i Tor-nätverket.

    -       Går det att utvinna okrypterade lösenord från en exit-nod i nätverket?

    -       Vilka typer av tjänster tillhör lösenorden som uppkommer i analysen av den insamlade data?

    För att kunna besvara mina tre frågeställningar har jag valt att göra ett experimentellt arbete för att ta reda på om användarna skickar okrypterade lösenord, och till vilka tjänster lösenorden tillhör. Som referens för min metod användes Dan Egerstads experiment[9] och ShiningLight in Dark Places: Understanding the Tor[11]. Genom att kombinera metoderna i dessa två arbeten uppnådes förljande resultat:

    24 okrypterade lösenord på 54,5 GB insamlad data. Statistiskt sett skickas det 1 okrypterat lösenord per 2,1 GB data.

  • 26.
    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.

  • 27.
    Eklund, Thimmy
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Eliasson, Peter
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Hansson, Marcus
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Informationssäkerhet i en mediekoncern: Ett penetrationstest med inriktning på datautvinning och social-engineering2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Målet med denna rapport är att studera informationssäkerheten på ett företag i den svenska mediebranschen. Att upprätthålla en bra informationssäkerhet är särskilt viktigt för ett medieföretag, då de dagligen hanterar källskyddat material. För att komma över känslig information utfördes penetrationstester genom social-engineering och datautvinning. Resultaten av dessa tester visade att det var relativt enkelt för en angripare att få de anställda att ge ifrån sig lösenord till företagets interna nätverk och VPN-klienter. Datautvinningen visade även att i princip all information gick att utvinna eller återskapa från företagets datorer eftersom man inte använde någon form av kryptering. Slutsatserna vi dragit genom denna studie är att företaget inte enbart kan åtgärda de funna sårbarheterna genom att införa kryptering. Våra rekommendationer är att man, för att förhindra framtida angrepp, utbildar personalen och fortsätter med att kontinuerligt granska och vidareutveckla sin informationssäkerhetspolicy.

  • 28.
    El Fatih, Ghizlane
    Halmstad University, School of Business, Engineering and Science. År.
    PlugInPump: En förbättring av arbetsmiljön och produktionshastigheten vid tillslutning av pumpflaskor.2017Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    This project is done in collaboration with the company Almén Cosmetic. Almén already operates an active production system mostly producing liquid products filled in pump bottles. Currently assembly of the pump bottles is done manually. This task is monotonous and is ergonomically wrong for the staff. Additionally, it is an obstacle for increasing the production speed, as the bottles are closed at the maximum speed the staff can handle manually.

     

    Plug In Pump is a project which addresses this problem with the aim of improving working environment and production speed. The company provided a list of requirements, which provided guidance for the solution, with the emphasis on safety, cost and surface area.

    Assembling the pump bottles is a problem you would like to automate using a machine. Considering that a machine can be manufactured cheaper when doing less work, it is preferable that the pump station is sorted to facilitate picking.

     

    After market research and evaluation of different concepts, it was clear that a linear module is the most suitable solution for the project. In addition, the pumps should be organized using a tray in the form of a rail.

     

    Two primary movements are required to pick a pump from a predefined position and then assembling it on the bottle. One movement in the form of a sideway motion and another in the form of a rotating motion. The sideway motion requires free movement in two dimensions. A linear module can be adapted to move a variety of dimensions.

    The linear module in this project is a two-axle consisting of two parts; machine rack and electronic control.

     

    The solution meets all the requirements that was set at the start of the project. In addition, it solves the problem with a good margin within the budget.

  • 29.
    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.

  • 30.
    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
  • 31.
    Eriksson, Anton
    et al.
    Halmstad University, School of Information Technology.
    Ståhl, Linus
    Halmstad University, School of Information Technology.
    Hållbar Digital Mathandel2016Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
    Abstract [sv]

    Den här studien handlar om hur hållbar digital mathandel kan stödjas med hjälp av

    övertalande design. Hållbar utveckling har blivit ett centralt diskussionsämne de

    senaste decenniet och mat står för en betydande del av en individs miljöpåverkan.

    Genom en designstudie har en workshop använts för att undersöka kontexten och dess

    användare. Tre designprinciper formades med hjälp av empirin från workshopen och

    den relaterade litteraturen. Dessa principer byggdes in i en prototyp som utvärderades i

    den tilltänkta kontexten. Studiens resultat är tre designprinciper som är specifika för

    kontexten hållbar digital mathandel: transparens, representativitet och personifiering.

  • 32.
    Eriksson, Carl-Johan
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Erlingsson, Jonas
    Halmstad University, School of Business, Engineering and Science.
    FRP i brokonstruktion: -varför används FRP inte i Sverige2015Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    FRP stands for Fiber Reinforced Polymer. FRP materials have yet to be introduced inbridge construction in Sweden. Composite materials can through combined componentsand manufacturing processes be tailored to fit advanced bridge designs. FRP materials arestrong, durable and of low weight. FRP materials give the superstructure reduced weightand are therefore a suitable alternative for industrial prefabrication. This report shows thatFRP materials are possible to use in bridge construction. With the introduction of a specificEurocode we are confident that FRP materials will become a competitive alternative inbridge construction in Sweden in the future.

  • 33.
    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.

  • 34.
    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.

  • 35.
    Fast, Johan
    et al.
    Halmstad University.
    Måneblad, Richard
    Halmstad University.
    Adapting competence to technologcal shifts: A case study about collaboration and managing the dynamics of core competencies within technicalbased firms2016Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
  • 36.
    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.

  • 37. Florén, Henrik
    et al.
    Frishammar, Johan
    Research Note: What is the ‘fuzzy front end’, why is it important, and how can it be managed?2013In: Managing Innovation: Integrating Technological, Market and Organisational Change / [ed] Joe Tidd & John Bessant, Chichester: John Wiley & Sons, 2013, 5, p. 418-420Chapter in book (Other academic)
  • 38.
    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

  • 39.
    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.

  • 40.
    Fors, Vaike
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Knowing Through Numbers: How Corporeal Data Become Life-based Learning Resources2016In: Association for Cultural Studies, Crossroads in Cultural Studies Conference 14-17th December, 2016, 2016, p. 90-91Conference paper (Refereed)
    Abstract [en]

    This paper discusses how embodied and emplaced learning cultures emerge through the use of self-tracking technologies. The findings are based in interviews with accustomed self-trackers, investigating how the produced corporeal data become part of how they experience and perceive their bodies and their environments. The empirical examples presented in the paper elaborate on the tangibility of these data and how they in their visual and touchable forms afford people to turn their attention toward previously unarticulated and visceral dimensions of embodied learning activities that are part of their everyday life. This includes examples of how people experience both gain and lack of meaning of data in self tracking activities, shifting focus from conceptualising data as ‘knowledge’ per se and instead focus on what and how people learn through their experience of data and how these learning cultures can be understood in a wider pedagogical context.

  • 41.
    Fors, Vaike
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS).
    Shifting perspectives: Learning from or knowing with personal data?2017Conference paper (Refereed)
    Abstract [en]

    Is personal data gathered through body monitoring devices the learning resource it is said to be by its proponents?  If so, are the provided statistics and notifications the “reflective devices” they are meant to be? This presentation will show how people physically get in touch (with their fingers) with their data through touch-screen interfaces in the apps and how these re-enactments are claimed by the users to be “meaningful” when they connect with already existing embodied knowing from participating in the situations registered by the app. These findings suggest that there might be reasons to re-think the cognitive-based epistemological claims to knowledge that flows through talk about learning by reflecting on personal data. It also urges us to consider the implications of bringing in non-representational dimensions of knowing to the fore when discussing the pedagogical impact of personal digital data in everyday lives.

  • 42.
    Fors, Vaike
    et al.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS).
    Pink, Sarah
    Monash University, Melbourne, Australia.
    Berg, Martin
    Malmö University, Malmö, Sweden.
    O'Dell, Tom
    Lund University, Lund, Sweden.
    Imagining Personal Data: Experiences of Self-Tracking2019 (ed. 1)Book (Refereed)
    Abstract [en]

    Digital self-tracking devices and data have become normal elements of everyday life. Imagining Personal Data examines the implications of the rise of body monitoring and digital self-tracking for how we inhabit, experience and imagine our everyday worlds and futures. Through a focus on how it feels to live in environments where data is emergent, present and characterized by a sense of uncertainty, the authors argue for a new interdisciplinary approach to understanding the implications of self-tracking, which attends to its past, present and possible future. Building on social science approaches the book accounts for the concerns of scholars working in design, philosophy and human-computer interaction. It problematizes the body and senses in relation to data and tracking devices, presents an accessible analytical account of the sensory and affective experiences of self-tracking, and questions the status of big data. In doing so, the book proposes an agenda for future research and design that puts people at its centre.

  • 43.
    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

  • 44.
    Fu, Y.
    et al.
    Physical Electronics and Photonics, Department of Physics, Chalmers University of Technology and Gothenburg University, Göteborg, Sweden.
    Willander, M.
    Physical Electronics and Photonics, Department of Physics, Chalmers University of Technology and Gothenburg University, Göteborg, Sweden.
    Pettersson, Håkan
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS).
    Reduced effective temperature of hot electrons in nano-sized metal-oxide-semiconductor field-effect transistors2003In: Applied Physics A: Materials Science & Processing, ISSN 0947-8396, E-ISSN 1432-0630, Vol. 77, no 6, p. 799-803Article in journal (Refereed)
    Abstract [en]

    Hot electron effects have been extensively studied in metal-oxide-semiconductor field-effect transistors (MOSFETs). The importance of these effects when the dimensions are drastically reduced has so far not been thoroughly investigated. The scope of this paper is therefore to present a detailed study of the effective temperature of excess electrons in nanoscale MOSFETs by solving coupled Schrödinger and Poisson equations. It is found that the increased doping levels and reduced junction depths lead to substantially higher local Fermi levels in the source and drain regions. As a result, the temperature difference between electrons injected into the drain and local electrons is reduced. The scaling of the gate oxide thickness, as well as the drain voltage furthermore reduces the electron temperature in the drain. The detrimental effects of hot electron injection are therefore expected to be decreased by scaling the MOSFET.

  • 45.
    Gadd, Henrik
    et al.
    Oresundskraft AB, S-25106 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.

  • 46.
    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).

  • 47.
    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.

  • 48.
    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.

  • 49.
    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

  • 50.
    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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