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  • 51.
    Kovac, Timmy
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Jämförelse av File Carving Program och presterande vid fragmentering2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Idag har vi mängder av data på våra lagringsmedia vilket gör dem till en värdefull informationskälla. Om denna data raderas betyder det inte att den är borta för alltid. Data finns fortfarande kvar på lagringsmediet och går att återskapa med så kallad file carving. Att kunna återskapa data är en viktig del inom den polisiära verksamheten, men även för andra verksamheter som förlorat data. Det finns dock vissa problem som kan ställa till med besvär när data ska återskapas. När filer inte är lagrade i sammanhängande datablock blir de fragmenterade vilket innebär problem. För att ta reda på hur stort problemet egentligen är utfördes tre test med den kommersiella programvaran EnCase och open source programvarorna Foremost, PhotoRec och Scalpel. Resultatet visade tydligt att gratisprogrammet PhotoRec var bättre än de andra programmen, men kanske mest förvånande är att det kommersiella och dyra programmet EnCase inte lyckades speciellt bra. Det framgick även att samtliga program har stora problem med att återskapa fragmenterade filer, men det var återigen gratisprogramvaran PhotoRec som presterade bäst.

  • 52.
    Krona, Markus
    et al.
    Halmstad University.
    Öberg, Hampus
    Halmstad University.
    GoBoard: Ett underhållande sätt att transportera sig runt golfbanan.2017Independent thesis Basic level (professional degree), 180 HE creditsStudent thesis
  • 53.
    Larsson, Rasmus
    Halmstad University, School of Business, Engineering and Science.
    Takkoncept: Innovativt takkoncept med fokus på design, hållbarhet och användarvänligt2018Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
  • 54.
    Lindqvist, Kristoffer
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Johansson, Erica
    Halmstad University, School of Business and Engineering (SET).
    Sömkloss2011Independent thesis Basic level (degree of Bachelor), 80 credits / 120 HE creditsStudent thesis
  • 55.
    Linnea, Sjödin
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Jonathan, Ahlqvist
    Halmstad University, School of Business, Engineering and Science.
    SafeSens2016Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
  • 56.
    Linnér, Maria
    Halmstad University, School of Business, Engineering and Science.
    Acquisitions and Innovation: -from the acquired company point of view2019Independent thesis Advanced level (degree of Master (One Year)), 40 credits / 60 HE creditsStudent thesis
    Abstract [en]

    There are many studies of how acquisitions of small technology startups and firms affect innovation growth and performance, but less is put on how acquisitions affect the innovative behavior of the acquired firms. This thesis explains changes in the innovative behavior of acquired technology-based small firms from an innovation governance perspective. An interview based case study of founders and top managers of four acquisitions by a Swedish medium-sized Industrial IT company from an insider-outsider perspective found that innovative efforts shifted from a more radical innovation approach to an incremental product innovation focus, by means of accumulation of continuous hardware and software upgrades. This “acquisitional” reduction of radical innovative and entrepreneurial behavior is explained by a shift in vision from firm creation by founders (owners) pre acquisition to a product-oriented vision driven by product managers post acquisition. This vision framed the underlying dimension of discovering opportunities, which became focused to existing products and by formal and informal steering relating to incremental product innovations. This thesis suggests that the focus on innovative behavior of acquired entrepreneurial firms from an innovation governance perspective is a useful new way of analyzing technology-based acquisitions.

  • 57.
    Ljungberg, Josefine
    et al.
    Halmstad University, School of Information Technology.
    Lindvert, Matilda
    Halmstad University, School of Information Technology.
    Utbildningsinsatser av beslutsstödsystem: En studie hur kommunala verksamheter kan genomföra utbildningsinsatser för slutanvändare av beslutsstödsystem2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    För att kunna stödja beslutsfattande i kommunala verksamheter kan beslutsstödsystem användas. Slutanvändare som i sin tur använder beslutsstödsystemet i sina dagliga arbetsprocesser har visat sig ge nytta för den kommunala verksamheten. För att öka användningen av beslutsstödsystem bör slutanvändare utbildas samt förstå hur beslutsstödsystem ska integreras i kommunala verksamheter. Därefter kan slutanvändare fatta viktiga beslut som rör t.ex. medborgare, budgetar och skattesatser. Således har utbildningsinsatser visat sig påverka beslutsstödsystems användning och slutanvändares acceptans till systemet. När slutanvändare får möjlighet att vara delaktiga och involverade i utbildningsinsatser av beslutsstödsystem kan användningen av beslutsstödsystemet öka. Studien ger därför ett kunskapsbidrag som beskriver hur utbildningsinsatser kan genomföras för att öka användningen av beslutsstödsystem i kommunala verksamheter. Studien har genomförts med stöd av en litteraturstudie, samt en kvalitativ undersökning i form av intervjuer i en kommunal verksamhet. Syftet var att identifiera på vilka sätt utbildningsinsatser av beslutsstödsystem kan genomföras i kommunala verksamheter, sett till olika slutanvändares inlärningssätt och utbildningsverktyg. Vidare kommer studien ge förslag på hur utbildningsinsatser kan upprättas i kommunal verksamhet, vilket leder oss in på problemformuleringen: Hur kan kommunala verksamheter genomföra utbildningsinsatser för att öka användningen av beslutsstödsystem? Slutsatsen presenterar en identifiering av utbildningsverktyg som kan stödja slutanvändare i deras framtida användning av ett beslutsstödsystem. Identifieringen påvisar att utbildningsinsatser behöver anpassas efter slutanvändare, då individer lär sig på diversifierande sätt. Anpassningar kan göras genom att till exempel variera och erbjudaflera olika utbildningsverktyg, planera utbildningsinsatserna samt att använda sig utav nyckelanvändare. Utbildningsmiljön har dessutom visat sig ha en viss påverkan för attanvändandet ska kunna öka i kommunens olika förvaltningar. Anledningen påpekas vara för att få möjlighet att skapa en familjär atmosfär samt en verklighetstrogen bild av hur systemet ska användas i framtiden.

  • 58.
    Negash, Teklebrhan
    Halmstad University, School of Business, Engineering and Science.
    Wind resource assessment for posibel wind farm development in Dekemhare and Assab, Eritrea2018Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Recently wind resource assessment studies have become an important research tool to identify the possible wind farm locations.  In this thesis work technical analysis was carried out to determine the wind resource potential of two candidate sites in Eritrea with help of suitable software tools. The first site is located along the Red Sea cost which is well known for its wind resource potential, whereas the second site is located in the central highlands of Eritrea with significant wind resource potential. Detailed wind resource assessment, for one year hourly weather data including wind speed and wind direction, was performed for the two candidate sites using MS Excel and MATLAB. The measured wind data at Assab wind site showed that the mean wind speed and power density was 7.54 m/s and 402.57 W/m2 , whereas the mean wind speed and mean power density from Weibull distribution was 7.51 m/s and 423.71 W/m2 respectively at 80m height. Similarly, the measured mean wind speed and mean power density at Dekemahre wind site was obtained to be 5.498 m/s and 141.45 W/m2, whereas the mean wind speed and mean power density from Weibull distribution was 5.4859m/s and 141.057W/m2 respectively. Based on the analysis results Assab wind site classified as wind class-III and Dekemhare as wind class-I.  Wind farm modeling and Annual Energy Production (AEP) estimation was performed for E-82 & E-53 model turbines from Enercon Company with the help of MATLAB and Windpro software. The analysis revealed that Assab wind farm was an ideal site for wind energy production with capacity factor (CF) 53.4% and 55% for E-82 and E-53 turbines respectively. The gross and net AEP for turbine E-82 at Assab wind farm was 469.5 GWh and 446.025 GWh respectively with 95% park efficiency. Similarly, the analysis showed that the CF in Dekemhare site was very low with typical value 14.2% and 15.26% for E-82 and E-53 turbines respectively. The gross and net AEP of that site for model turbine E-53 was 53.5 GWh and 50.825 GWh respectively with 5% wake loss. Finally, a simplified economic analysis was carried out to determine the economic feasibility of possible wind power projects in both sites by assuming investment cost 1600 €/kW for E-82 turbine and 2000 €/kW for E-53 turbine. The total wind farm investment cost was found to be 215.85 and 107.93 Million Euro for E-82 and E-53 model turbines respectively. The levelized cost of energy at Assab and Dekemhare wind farm for E-82 model turbine was 0.0307 €/kWh and 0.5526 €/kWh respectively. The analysis result show that the levelized cost of energy in Dekemhare wind fasrm was much higher than that of Assab wind farm.   

  • 59.
    Niemand, Ponthus
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Saladdin, Aya
    Halmstad University, School of Business, Engineering and Science.
    Management of ergonomic aspects in early design phases using virtual reality: Mapping of ergonomic aspects in early design phases, How would mordern technology like VR be used?2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Volvo Group is one of the Worlds leading manufacturer in the categories trucks, busses, construction equipment and engines for the marine and industrial applications. Volvo Group consist of many different brands 10 in total, these are: Volvo Trucks, UD Trucks, Renault Trucks, Mack Trucks, Group Trucks Asia & JVs, Volvo Construction Equipment, Volvo Bus, Volvo Penta, Volvo Financial Services and Governmental Sales. The initiative for the project came from Method and Process Development within Volvo Trucks Tuve Plant, department at Volvo Group Trucks Operations (GTO), which is the part of Volvo Group performing the actual production of the trucks.

    Volvo GTO is located worldwide in several different countries, which leads to different work processes. To standardize a method where the designer (component owner) together with the geometry architect can make a first ergonomics analysis of the concerned component. To make this possible, the project presented a manual on how the component owner should proceed to obtain as good and correct analysis of ergonomics as possible.

    This bachelor thesis makes suggestions for how VR would be helpful in the design phase as an evaluation tool during development of a new product/component or whether improvements should be made to an existing component. The thesis has focused mostly on how the designer and geometry architect can evaluate the ergonomics aspects with VR as a help, already in the design phase.

    The project has investigated two user cases. One of them is presented in this report. This applies to the installation of heat shield, the reason that this particular assembly was chosen is due to its poor ergonomics and accessibility. The project chose to do a RULA-analysis and PLIBEL-analysis. The RULA analysis gave a high total score, 7 out of 7, while PLIBEL was an analysis at the workplace. Both proved to be a good basis for continued work. 

    The study shows that VR is a great tool for analysis of the ergonomics aspects in early design phase. It gives relevant results and has the potential for savings in resources and cost in product development process.

    To improve the results of the thesis, there have been visits on ESI-Group which has sponsored the thesis in the form of VR equipment and workshop. This gave the project members an insight into the possibilities of VR.

  • 60. Nilsson, Mattias
    et al.
    Giouvanakis, Marios
    Utveckling av loadlimiter för bilbarnstol2013Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
  • 61.
    Norburg, David
    et al.
    Halmstad University, School of Information Technology.
    Persson, David
    Halmstad University, School of Information Technology.
    Internet of Things - Ett användarperspektiv2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 62.
    Nordin, Anton
    et al.
    Halmstad University, School of Information Technology.
    Liffner, Felix
    Halmstad University, School of Information Technology.
    Forensiska Artefakter hos Mobila Applikationer: Utvinning och Analys av Applikationen Snapchat2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Today's smartphones and tablets use different applications and software for all sorts of purposes: communication, entertainment, fitness, to share images with each other, to keep up to date with the news and lots of different daily tasks. With the heavy usage of all these apps, it is no wonder that it comes with a few issues. Private data is stored in large quantities both on the local device and on the app-creators' servers. It is no wonder that applications advertising user secrecy and transient storage of user data. One of these applications is Snapchat, with over 500 million downloads on Google Play store, at the time of writing. Snapchat is a communication application with the niched feature that the images and messages sent, disappear once opened or after 24 hours have passed. With the illusion of privacy behind Snapchats niche it has become a breeding ground for criminal activity. The niche itself translates to a troublesome hurdle for law enforcement trying to retrieve evidence from devices of Snapchat users. This paper is aimed to investigate these issues and perform a methodology to retrieve potential evidence on a device using Snapchat to send images and messages. By performing a physical acquisition on a test device and analyzing to find artifacts pertaining to Snapchat and the test-data that was created. The method is performed on a Samsung Galaxy S4 with Android 5.0.1 running Snapchat version 10.52.3.0. Test data such as different images and messages were created and attempted to be retrieved at three points in time. First one being right after data creation. Second one after a restart and 24 hours after the data was created. And the third with 48 hours passed and the Snapchat user logged out at the time of acquisition. The acquisition resulted in the extraction of several sent images and a full text conversation between the experimental device and another party. A full video which was uploaded by the receiving user was able to be extracted even though the experimental device never actually viewed the video. The second acquisition which was made when 24h had passed gave the same results as the first one. This meant that time at least up to a day after the initial creation of the data did not have any effect on the evidence. However, when the Snapchat user was logged out from the application, the data was then unobtainable and had disappeared. Presumably Snapchat has a function which deletes personal data about the user when logged out from the application. This function might become a hurdle in law enforcement investigations where the application Snapchat is involved.

  • 63.
    Nylander, Anders
    et al.
    Halmstad University, School of Information Technology.
    Wikestad, Daniel
    Halmstad University, School of Information Technology.
    FotbollTracker2015Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
  • 64.
    Ohlsson, Elin
    Halmstad University, School of Business, Engineering and Science.
    Exploring The Efficiency – Flexibility Dilemma Of A Manual Assembly Process2019Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The purpose of this study was to find a method for exploring the potential of increasing the efficiency of a manual manufacturing process while simultaneously maintaining the flexibility and the ability to adjust to changes in demand. The study has been conducted in cooperation with Scania CV AB Engine Assembly in Södertälje, Sweden. This explorative study has been conducted using a framework mixing traditional Quality and Process Management literature, with theories of Innovation Management and ways of designing a production process. The framework was designed by focusing on perspectives to help explain and optimize the dynamics of a manual assembly process characterized by high variation. Increasing the efficiency has included the elimination of waste and disturbances while creating opportunities for continuous improvement. Improving the ability to adjust to changes in demand and volume has included reorganization of the information flow. Activities aimed at increasing the efficiency and improving flexibility requires a base of information which is sufficient and enables fact-based decision-making. An analysis of the current state was conducted using triangulation of data collection methods. Interviews, observations, focus groups, surveys, and numeric data was analyzed. Tools of Quality Management, Lean Management, and the Productivity Potential Assessment method were used to develop a framework for evaluating a manual production process and aim to collect, process, compile, weigh, prioritize, and visualize the processes and the identified challenges. Identification of improvement activities and the design of a future state was conducted through extensive interviews and focus groups and by interpreting relevant literature. Mapping of the current state generated five primary challenges which are complicating the daily work in different ways. The challenge estimated to have the highest overall impact on the studied process is Time Data Management. This challenge refers to the lack of valid and correct data on which to accurately plan and control the process.

  • 65.
    Olivia, Szmidt
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Christian, Cullberg
    Halmstad University, School of Business and Engineering (SET).
    Förslag till stomstabilisering av prefabricerad betong enligt Eurokod2014Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
  • 66.
    Ottosson, Fredrik
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Sevandersson, Rickard
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Identifying Sources of Disruption in the Context of Sustainability-Driven Innovation2019Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Introduction: Research shows that the lifespan of large companies gets shorter and shorter, the average age of companies on the list of fortune 500 is 33 years, the average age is expected to decline to 12 years by 2027 (Anthony et al., 2018). Innovations that are driven by social, environmental or sustainability issues are defined as sustainability-driven innovations (Metz, 2016). Not much is known when it comes to what sources can trigger a disruptive sustainability-driven innovation.   

    Problem background: There has been many troubling studies about the damage we as humans bring upon our blue planet, these studies are apocalyptic (Osborn 1948; Carson 1962; Meadows et al 1972; Cole et al 1973). To be able to meet the aspirations of millions rising from poverty, we need transformation and change throughout society, and disruptive innovations is the key to unlock this transformation (Sterman, 2015). The disruption literature is well developed when it comes to what sources can trigger a disruptive innovation. There does not exist literature on what sources that can trigger sustainability-driven innovations.  

    Purpose: The purpose of this thesis is to create a conceptual model that show possible sources of disruption for sustainability-driven innovations. The knowledge created by the conceptual model will be used at a later stage to develop a monitoring tool for TOMRA. To fulfill the purpose of this master thesis we have developed the following research question: what sources can trigger a disruptive sustainability-driven innovation?  

    Methodology: To answer the research question, this thesis used an exploratory research design, inductive research approach and the single case study with participants from four companies that acts in three different industries and five interviews with experts in the field of sustainability-driven innovations as the chosen research method. The primary data has been collected from 13 interviews from new entrants, incumbents, experts and governmental agencies. Secondary data were collected to support the analysis.  

    Findings: The key findings of this thesis are eight new sources of disruption; established technology, public value, public opinion, political decisions, political goals, legislations, subsidizations and demo-pilots   

    Conclusion: Our study showed that there was a gap in the disruption literature, especially when it comes to the source of disruption. Because the study found other sources that might trigger a disruption rather than only new technology and new BMs. Realizing that, the sources of disruption were expanded to have three subcategories that influence each other, technology and BM, citizen awareness and policy.

  • 67.
    Richardsson, Hugo
    Halmstad University.
    CordBox: En samlingsplats för sladdar.2016Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
  • 68.
    Ringmann, Björn
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Hildeblom, Peter
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Minnet sviker Aldrig: Att utnyttja volatil data i Krypterade system2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    When the use of encryption amongst the regular computer user grows morewidespread than ever it makes the life of the IT-forensics experts difficult.Hampering the judicial investigations that otherwise could have lead to convictions.

    In this report we will treat the subject of crypto analysis with a focus on decrypting files and devices encrypted with the software TrueCrypt. A solution will be presented that can facilitate the future work involving encryption. The application DFEAT that has been developed during the writings of this report is faster than the corresponding software EFDD, and attacks both partitions and bitwise copies of entire harddrives where PKF fails.DFEAT is a lightweight application that is almost 50 times smaller compared to EFDD and 200 times smaller than PKF's portable version.

  • 69.
    Rundquist, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Knowledge Integration in Distributed Product Development2014In: International Journal of Innovation Science, ISSN 1757-2223, Vol. 6, no 1, p. 19-28Article in journal (Refereed)
    Abstract [en]

    Research has indicated that small and medium sized firms (SMEs) play an important role in the growth of the economy. However, in order to be able to compete at an international level, most SMEs are bound to work in alliances in order to gather enough knowledge and resources for product and technology development or to be able to penetrate a larger market. Alliances can be formed with different types of actors (i.e., suppliers, customers, agents, universities, consultancies); in the alliance, information and knowledge are gathered and created. Information is defined as "knowledge that can be transmitted without loss of integrity," which includes facts, axiomatic propositions, and symbols. This knowledge can be categorized as domain-specific, procedural, or general. In the present study, a case approach is used to investigate how different types of information and knowledge generated through distributed product development are integrated into the firm, what methods are used, and some conclusions on what methods are more successful for each type of information or knowledge. Results indicate a very high representation of formal information sharing (document exchange) even if there is a high degree of agreement among the respondents that personal meetings and continuous information sharing would be better if they had a system for this. Therefore, the conclusions should lead to systems that address the above problems.

  • 70.
    Rundquist, Jonas
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL), Centre for Technology, Innovation and Marketing Management (CTIM2).
    The interactive decision when outsourcing new product development2011In: Research on Technology, Innovation and Marketing Management 2009‐2011: Introducing the research area of Innovation science / [ed] Sven-Åke Hörte, Halmstad: Högskolan i Halmstad , 2011, 1, p. 83-101Chapter in book (Other academic)
    Abstract [en]

    This article focuses on the outsourcing of new product development (NPD) in medium‐sized firms, and it specifically focuses the decisions connected to outsourcing. Although the model presented in the article is probably useful for small and large firms, the firms in the empirical study are medium‐sized. NPD is a knowledge‐intensive line of activities that requires the ability to handle uncertainties and it is very dependent on the individuals involved in the process. In this way it differs from production, which (especially when producing standard items in a large scale) is easier to control, monitor and evaluate the costs.

    Outsourcing can lead to advantages in the form of lower costs, access to knowledge or other resources (labs, funding etc.) as well as access to new markets, but it can also result in aknowledge drain, lower motivation among in‐house staff or an increased level of dependency on external organisations. A decision model is presented in this article that describes the decision process when outsourcing NPD.

  • 71.
    Rydström, Christoffer
    et al.
    Halmstad University.
    Mårlind, David
    Halmstad University.
    Produktframtagning och produktutveckling av Vädringsskåp2015Independent thesis Basic level (professional degree), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    This report is a degree project of the CAD technician program at Halmstad Univeristy. The report is based on work done in collaboration with initiator Mattias Johansson at ElectroluxLaundry Systems Sweden and mentor Olena Flys at Halmstad University.

    The report contains the product design and product development of an aired storage unit forgarments. The storage unit is a form of clothing care and is primarily targeted to those households that do not have a balcony, patio, garden, or other place to air their clothes.

    Construction and materials described in this report do not take air flow, electronics, and fans into account. The design is tested with FEM analysis to identify weak points in the design.

    Consideration has been taken to the product’s life cycle and recycling.

  • 72. Rääf, Daniel
    The impact of quality management systems on product innovation2016Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
  • 73.
    Rönnow Sandell, Hjalmar
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Nordell, Alexander
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Arkitekturstudie: Arkitekturhypotes för ett trådlöst processnät på Hylte Mill2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Det här arbetet omfattar en arkitekturstudie av ett framtida processnät för Hylte Mill. Arkitekturstudien innefattar en mall för hur den framtida miljön kan se ut. Arkitekturhypotesen skall användas som en modell för företaget och visualisera ett trådlöst nätverkssystem vilket skall hjälpa operatörer att hämta information från SCADA-systemen via pekplattor. Metoden som använts för att ta fram arkitekturen grundar sig på utformningen av så kallade vypunkter. Vypunkter är vyer som skapas för att identifiera relationen mellan olika användare och systemet. Detta arbete fokuserar på säkerhetsvyn och tillgänglighetsvyn. Dessa används då företagets mest centrala krav för nätverket omfattar just säkerhet och tillgänglighet. Relevanta tekniker och protokoll kommer även att granskas, dock då främst ur ett säkerhets och tillgänglighetsperspektiv.

  • 74.
    Sahyouni, Mohamad
    Halmstad University, School of Business and Engineering (SET).
    An Exploratory Study: The Impact of Lean Implementation on Product Innovation2013Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose - The purpose of this study is to explore the impact that implementing lean has on a company’s ability to innovate, especially their ability to produce radically innovative products.  

    Framework – The framework developed for the purpose of this study is made out of four propositions. Each of the propositions is aimed at covering a certain aspect of the area under investigation. The propositions are constructed through a comparison of the main principles and characteristics of both lean thinking and innovation management that are seen to be relevant to the area of product development.  

    Methodology – The study employs a qualitative multi-case study design. Four Swedish SME’s that have been implementing lean in both manufacturing and product development are investigated. The data for the study is collected using two methods; an online questionnaire and a face-to-face interview.  

    Findings - The study leads to the belief that the implementation of lean could lead to a company’s ability to produce radically innovative products being negatively impacted, but that this impact could be avoided if a company wishes to do so.  

    Managerial Implications – Managers are made aware of the possible consequences of the implementation, as well as, of the possible balance. Solutions to achieving a balance are offered.  

    Limitations – The approach to exploring the subject in hand, the choice of participating companies, and the interview guide employed, are all seen as limitation for this study.

  • 75.
    Sanchez Preciado, Deycy Janeth
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). University of Cauca, Popayán, Colombia & El Centro Regional de Productividad e Innovación del Cauca (CREPIC), Popayán, Colombia.
    Developing Technology Transfer Processes in rural contexts: The case of Cauca in Colombia2018Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This doctoral thesis addresses the technology transfer process in rural developing economies. Technology transfer refers to the movement of physical artifacts and knowledge from a transferor (e.g. a university) to a recipient (e.g. a cooperative or a producer). Many rural developing economies depend on rural enterprises engaged in small-scale production. These enterprises usually have limited market reach, inadequate financial margins, and low value added products. In this context, technology transfer commonly features large information and knowledge asymmetry between the transferors and recipients, the recipients’ dependence on government financial support, and the recipients’ underdeveloped business skills. Despite the importance of technology transfer for production improvements by enterprises in rural economies, little is known about how the two sides interact when technologies to fit the small-scale production context are transferred. To address this knowledge gap, this thesis focuses on how rural enterprises adapt and use technologies that are collaboratively developed with universities with the support of governments and non-governmental organisations (NGOs). Empirically, the thesis analyses technology transfer aimed at improving silk, fish, and coffee production in Cauca, a region in Colombia. The thesis uses Situated Learning Theory, action research, and case study methodology. The thesis shows that i) intermediaries broker and facilitate (organise) the interaction between universities and cooperatives and rural enterprises; ii) there are seven features that enable technology transfer in rural developing economies and iii) ‘systems’ of technology transfer evolve in rural developing economies through analysis of problem formulation and problem solving as the mechanisms.

  • 76.
    Sanchez Preciado, Deycy Janeth
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL), Business Model Innovation (BMI). University of Cauca - CREPIC, Popayan, Colombia.
    Claes, Björn
    Open University Business School, Milton Keynes, United Kingdom.
    Rundquist, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    University – Industry – Government Collaboration Facilitating Technology Transfer to Rural Enterprises in Developing Economies2014Conference paper (Refereed)
    Abstract [en]

    Objective:

    We assess the applicability and relevance of KFs for the transfer of technology to rural enterprises through university – industry – government (UIG) collaboration in developing economies.

    Prior work:

    We build on prior literature pertaining key factors (KFs) for the technology transfer by Sanchez Preciado, Claes & Theodorakopoulos, 2013 and Theodorakopoulos, Sanchez Preciado & Bennet, 2012.  Specifically we evaluate the importance of technology transfer factors such as i) the level of absorptive capacity developed, ii) the amount of profit returns from the transferred technologies, iii) the degree to which the organization has overcome cultural and geographic factors, iv) the market value of the technologies, v) the existence of a technology broker and vi) the sophistication of the knowledge infrastructure in the collaborative triad of industry, university and government

    Approach:

    Using a qualitative research approach, we use the theoretical lenses of institutional theory and situated learning theory to assess these KFs in the context of two small-scale rural enterprises respectively involved in pisciculture (fish farming) and coffee production in the Cauca region of Colombia. These two enterprises have been in business for more than 15 years, have well-established internal and external networks and constitute exemplar cases of social and economic growth and organisational innovation.

    Results:

    Our study validates the KFs identified by Sanchez Preciado et al (2013) and demonstrates how these factors are influenced by the social capital (Coleman, 2001) generated in the process of transferring technology between the actors.

    Implications:

    We extend the work of authors like Tortoriello and Krackhardt (2010), who argue that spanning organizational boundaries (bridging ties) has a positive impact on the generation of innovations.

    Value:

    The contribution of our paper is twofold. First we make a contribution to the literature on situated learning by applying this theory in a research context that goes beyond a single functional area to a generic organizational level consisting of individuals with different functional or cultural backgrounds. Second, our paper contributes to the literature on the transfer of technology through UIG collaboration in that it focuses on low-tech and organisational technologies rather than the high-tech solutions generally discussed in that body of literature. Also, it investigates KFs for technology transfer to small rural enterprises in developing countries rather than to more advanced organizations in more developed countries mostly discussed elsewhere.

  • 77.
    Schwartz, Sebastian
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Runic, Pierre
    Halmstad University, School of Business and Engineering (SET).
    SecRePac - Strimlare för hushållsförpackningar2014Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    SecRePac is a household appliance that simplifies sorting of packaging such as milk, juice and yogurt containers. By shredding the packages SecRePac reduces its volume uptake both in the home and at the recycling station. This leads to minimization of both transports to the recycling stations and truck transport for emptying the containers at the recycling station.The greenhouse effect deteriorates and becomes worse and worse leading to extreme climate changes and natural disasters such as floods as an example. Carbon dioxide emissions are the major reason for this and at least 30 percent of all these emissions come directly from transports. In the EU carbon emissions has decreased in the past few years. But the levels are nevertheless far too high for a sustainable future and the need for ever- new solutions to reverse this negative trend...SecRePac is such a product! SecRePac aims primarily to families where mountains of old empty containers are a familiar sight because it’s boring and there's not enough time in everyday life to go back and forth to the recycling station. Usage of SecRePac saves the user time in everyday life and space at home and you will have more time to spend on other things. Main advantage of SecRePac is that it can minimize unnecessary truck transports significantly, thus making the user a good bet for both himself and our environment.

  • 78.
    Senagic, Aida
    Halmstad University, School of Business and Engineering (SET).
    Aktivitetsbassäng i FHC Laholmskommun - tillståndsanalys2010Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Simbassängen i Folkhälsocentrum i Laholm har drabbats av skador. Läckage i skvalprännorna har orsakat problem i de övriga konstruktionsdelarna.

    Laholmskommun har år 2002 vidtagit akuta åtgärder i hopp om att stoppa läckage och förebygga ännu större skador. Reparationsarbetet utfördes och efter två år konstaterades fortsatt läckage.För att kunna bedömma skadornas omfattning och orsak utförs en tillståndsbedömning av befintlig konstruktion.

    Tillståndsbedömningen kommer att ligga till grund för val av reparationsmetoder och reparationsomfattning.

    Det största problemet är armeringskorrosion föranled av karbonatisering och kloridinträngning.

    Hela konstruktionen befinner sig i en väldigt aggressiv miljö som accelererar hela nedbrytningsprocessen.

    Genom att göra okulärbesiktning och laboratorieanalys har jag kommit fram till att skadorna är omfattande och reparationsarbeten kommer att vara därefter.

  • 79.
    Severinson, Linnea
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Andersson, Jessica
    Halmstad University, School of Business and Engineering (SET).
    ISafe: En säkerhetsutrustning för vistelse på is2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 80.
    Siddiqui, Muhammad Saad
    et al.
    Halmstad University. Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Iqbal, Tahseen
    Halmstad University. Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Development of PDI plates for Industrial Applications2010Independent thesis Advanced level (degree of Master (One Year)), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The aim of this Master’s Degree thesis project is to design and develop point diffraction interferometer plates. In this project the PDI plates are re-designed, changing the design which was used in previous projects in Halmstad University. The transparency of PDI plates can be controlled by coating them with NiCr film. Firstly, four plates with coating of different thickness of NiCr were developed. The relationship between transmittance and the thickness of NiCr was established by testing these plates for transmittance and reflectance with the help of a laser and an optical power meter.

    The absorption coefficient of clear substrates and reflection of light is also taken into account to achieve the correct results. The parameters like the diameter of semi-transparent area around the pinholes and the size of pinholes is chosen after fully understanding its application. The lay-out and description of design is also included in the report.

  • 81.
    Sjödal, Julian
    et al.
    Halmstad University, School of Information Technology.
    Johansson, Alexandra
    Halmstad University, School of Information Technology.
    Design and development of a Web-based Mentor matching system2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 82.
    Skytt, Johanna
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Järkil, Elina
    Halmstad University, School of Business and Engineering (SET).
    Solar heating in Colombia2012Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    This report describes the process of a thesis implemented in Colombia concerning solar energy. The project was to install a self-circulating solar heating system, as well as creating exchange of knowledge regarding renewable energy. One of the two major goals of the project was to achieve a functioning solar heating system in Timbio, a village outside the city of Popayán in south west Colombia. The purpose was to use the free power from the sun and show people how to use it in a way that is not complicated or too expensive. The second major goal was to hold workshops about renewable energy in general, and solar energy in particular. The preparatory work started in October 2010 by concretizing the project, applying for scholarships and establishing necessary contacts; both in Colombia and Sweden. Research and correspondence continued throughout 2011, along with the search for finance from companies and funds to cover the project costs. The implementation took approximately three months and was finished in April 2012. However, the project was limited due to time scale and financial resources. The project was successful; a functioning solar heater and workshops. The aim to arise interest for renewable energy is fulfilled plus the aim to show how to use solar energy in a practical and useful way.

  • 83.
    Song, Nan
    et al.
    China Everbright Bank Co. Ltd, Shijiazhuang, China.
    Zhu, Jinping
    Halmstad University, School of Business and Engineering (SET).
    Rundquist, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Knowledge transfer mechanisms and global R&D operations in MNCs2015In: International Journal of Innovation and Technology Management (IJITM), ISSN 0219-8770, Vol. 12, no 2, p. 1550011-1-1550011-18, article id 1550011Article in journal (Refereed)
    Abstract [en]

    With the development of globalization, companies will need worldwide resources for R&D. Multinational corporations (MNCs) will rely on their subunits located in different countries for R&D. As a result, knowledge transfer between headquarters and subunits or among subunits will be crucial for MNCs to operate their R&D activities. This study explores the relationship between knowledge transfer and R&D operations, using a qualitative research approach including four multinational companies. We conducted a cross-case analysis connecting four R&D configurations and two knowledge transfer mechanisms: expatriate management policy and communication frequency. Results show that both transfer mechanisms are very important for MNCs for the management of knowledge transfer in global R&D operations. However, each of these mechanisms will need different a focus depending on R&D strategy and configuration. The article summarizes recommendations for managers as drawn from these insights. © 2015 World Scientific Publishing Company.

  • 84.
    Svane, Torben E.
    Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Man and Information technology laboratory (MI-lab).
    Reality Mining in the Classroom: Simulating social behavior from machine-sensed environmental data2014Conference paper (Refereed)
    Abstract [en]

    This paper presents three simple applications to let students work with data generated from their mobile phones. The applications can be used as demonstrations for courses in e.g. data mining, business intelligence, and development of digital and web services. One application is entirely web based, the other two require a technology investment of about 200 USD, but the devices may also be an asset for other research/demonstration purposes.

  • 85.
    Svenhard, Petter
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Radaslic, Amir
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    A penetration test of an Internet service provider: Computer Forensics and Information Security2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Computer security is of ever increasing importance in the modern corporate world due to the risk of disclosing sensitive assets. In a world where technology can be found in most organizations and businesses the importance of ensuring secure assets is not only a good habit but a necessity.This study concerned an Internet service provider in south western Sweden who saw an interest in ensuring the security of their computer systems. The Internet service provider wished to remain anonymous to protect its name and interests in casesensitive information were to be disclosed.The approach to test the service provider’s security was to perform an extensive penetration test of the ISP's relevant network and computer infrastructure. The aims of the penetration test were to map vulnerabilities and assess the risk that a possible flaw would pose if exploited.The results indicated that the systems of the ISP included several critical flaws that could lead to a denial of service condition and a complete compromise of the service provider’s office intranet. Furthermore the results indicated the possibility that the Internet service provider had in fact already been hacked by an unknown perpetrator.Finally the study was beneficial for the Internet service provider since they were provided with a deeper understanding of the security flaws in their computer system infrastructure. Moreover they were alerted to the presence of a possible crime scene on their property.

  • 86.
    Svensson, Rikard
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Stenebo, Rickard
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Trådlösa nät, ett osäkert ansvar2014Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [sv]

    Trådlösa nätverk är något som sprider sig allt mer i dagens samhälle. Redan nu finns det ett trådlöst nätverk nästan var man än befinner sig, alternativt någonstans i närheten. Detta är något som ger upphov till stora möjligheter och för tekniken framåt. Men i kombination med de möjligheter det skapar så skapas även problem då det finns individer som vill utnyttja de säkerhetsbrister som uppstår i och med att den nya tekniken förs framåt och den allmänna kunskapen åtminstone från början ofta är långt ifrån fullgod.

     

    Den stora frågeställningen är vem som bär ansvaret för en trådlös accesspunkt. Är det brukaren av uppkopplingen, eller är det ägaren till uppkopplingen som får stå till svars vid en eventuell rättegångstvist?

     

    Metoden vår grupp har använt för att utföra arbetet har varit teoretiskt inriktad, då arbetet kräver en djupare inblick i det juridiska kring ämnet. Även praktiskt arbete har utförts, då gruppen har velat bilda sig en egen uppfattning om delar i arbetet och inte förlita sig på andra källor.

     

    Resultatet i arbetet påvisar att ansvaret inte alltid är självklart och påföljderna kan ifrågasättas.

  • 87.
    Svensson, Tim
    Halmstad University, School of Information Technology.
    Cloud based platform for real time Gait analysis: System component: Mobile architecture2017Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Today gait analysis are performed in laboratories with expensive equipment and people

    must visit the labs to perform several supervised tests. The goal of this project is to

    develop a platform enables gait analysis with the accelerometer sensor in a mobile phone.

    This would allow more people to do gait analysis, as smart phones are widely available

    and cheap equipment compared to lab equipments. In order to solve this task a mobile

    application and a cloud server was created. The mobile application can gather data from

    the internal accelerometer sensor and a medical grade sensor simultaneously and send

    the data to the cloud server. When two sensors are used the symmetry between the left

    foot and the right foot can be measured, although the system works with only one sensor

    aswell.

    On the cloud server the accelerometer data is analysed and gait analysis is done on the

    data and visualized on a web page. The mobile application can collect data for 4 hours

    at a sampling rate of 120Hz and two sensors are used. When sending data collected from

    two sensors to the cloud at a sampling rate of 120 Hz the amount of data is approximately

    21.96 Mb/h. The goal of the project was to create a proof-of-concept platform to do gait

    analysis and that goal was fullled and a fully functional platform was developed.

  • 88.
    Theodorakopoulos, Nicholas
    et al.
    Aston Business School, Aston University, Birmingham, United Kingdom.
    Bennett, David
    Department of Technology Management and Economics, Chalmers University of Technology, Gothenburg, Sweden & University of South Australia Business School, Adelaide, Australia.
    Preciado, Deycy Janeth Sanchez
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). University of Cauca, Popayán, Colombia.
    Intermediation for technology diffusion and user innovation in a developing rural economy: a social learning perspective2014In: Entrepreneurship and Regional Development, ISSN 0898-5626, E-ISSN 1464-5114, Vol. 26, no 7–8, p. 645-662Article in journal (Refereed)
    Abstract [en]

    Technology intermediaries are seen as potent vehicles for addressing perennial problems in transferring technology from university to industry in developed and developing countries. This paper examines what constitutes effective user-end intermediation in a low-technology, developing economy context, which is an under-researched topic. The social learning in technological innovation framework is extended using situated learning theory in a longitudinal instrumental case study of an exemplar technology intermediation programme. The paper documents the role that academic-related research and advisory centres can play as intermediaries in brokering, facilitating and configuring technology, against the backdrop of a group of small-scale pisciculture businesses in a rural area of Colombia. In doing so, it demonstrates how technology intermediation activities can be optimized in the domestication and innofusion of technology amongst end-users. The design components featured in this instrumental case of intermediation can inform policy making and practice relating to technology transfer from university to rural industry. Future research on this subject should consider the intermediation components put forward, as well as the impact of such interventions, in different countries and industrial sectors. Such research would allow for theoretical replication and help improve technology domestication and innofusion in different contexts, especially in less-developed countries. © 2014 Taylor & Francis.

  • 89.
    Theodorakopoulos, Nicholas
    et al.
    Aston Business School, Aston University, Birmingham, United Kingdom.
    Sanchez Preciado, Deycy Janeth
    University of Cauca, Popayán, Colombia.
    Bennett, David
    Chalmers University of Technology, Gothenburg, Sweden & University of South Australian Business School, Adelaide, Australia.
    Transferring technology from university to rural industry within a developing economy context: The case for nurturing communities of practice2012In: Technovation, ISSN 0166-4972, E-ISSN 1879-2383, Vol. 32, no 9-10, p. 550-559Article in journal (Refereed)
    Abstract [en]

    The primary aim of this paper is to demonstrate how technology transfer between universities and rural industries in developing countries can be achieved effectively, using independent research and advisory centres as intermediaries. It draws on a longitudinal action research study, which experiments with the process of nurturing and bridging communities of practice amongst recipients of technology and stakeholders concerned with technology diffusion, productivity and economic development. Its empirical evidence is from an academic-related, non-government intervention initiative targeting two small-scale industries, namely fish farming and coffee production, in the Cauca region of Colombia. Results demonstrate how barriers to transfer can be overcome. The interventionist considered as instrumental; its key components and outcomes are discussed in detail. © 2012 Elsevier Ltd. All rights reserved.

  • 90.
    Tingsmark, Johan
    Halmstad University, School of Information Technology.
    Det anonyma internets framtid2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Att vara ”anonym” på internet har varit en möjlighet sedan internet blev tillgängligt för allmänheten, men i takt med att internet blivit en allt viktigare funktion i samhället och en stor del av människors liv, har frågan om anonymitet på internet blivit en kontroversiell fråga. På grund av sociala medier som uppmuntrar människor att använda sina riktiga namn som profilnamn och en allt mer mångfaldig användarbas, har attityden mot anonymitet ändrats. Även om andelen identifierbara användare ökat mycket starkt, finns det fortfarande användare som väljer att vara anonyma. Bland dessa användare finns det kriminella som utnyttjar anonymitetsfunktioner för att lättare kunna utföra och planera kriminella handlingar. En konflikt mellan de som anser att alla användare på internet ska vara identifierbara och de som vill hålla det gamla internet vid liv har skapats, vilket gjort att framtiden för anonymitet på internet är osäker. Denna uppsats är en litteraturstudie där olika aspekter som relaterar till anonymitet på internet undersöks för att dra en slutsats om hur framtiden kan komma att se ut. Kommer det bli svårare eller lättare att vara anonym på internet i framtiden? I denna litteraturstudie undersöks anonymitetsnätverket \torr och dess framtid, men även andra aspekter som användarbeteende och ämnen kring anonymitet som skulle kunna påverka identifiering av användare diskuteras.

  • 91.
    Vesterberg, Emil
    et al.
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Malin, Petersson
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Andersson, Patrik
    Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
    Business Intelligence: Skomakarens barn har ofta de sämsta skorna – en studie om hur BI används i konsultföretag2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 92.
    Wahlström, Erik
    et al.
    Halmstad University.
    Gustafsson, Martin
    Halmstad University.
    Involvering av äldre vuxna i utvecklingen av digitala tjänster2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Engaging older adults in the development of digital services is an important aspect.Although previous studies have identified challenges associated with involving this targetgroup, more research is required on how technologies in participating design can be usedto address these challenges. To investigate how older adults can be involved indevelopment, we have investigated the question at issue:"How can older adults be involved in the development of digital services?"In our study, we have identified challenges associated with the involvement of olderadults in the development of digital services, and selected three participating designtechniques for the purpose of managing these challenges. Each technique represents apart of a development process. This study is driven by a qualitative research approach,where data collection has been conducted by observations, focus groups interviews andworkshops. The main contribution of the study is guidelines that describe how challengesassociated with the involvement of older adults can be managed using selectedtechniques.

  • 93.
    Wallmark, Torkel
    et al.
    Chalmers University of Technology.
    Blomqvist, Jan Einar
    Halmstad University, School of Business and Engineering (SET).
    Jarreby, Bertil
    Spin-off companies and innovation activities at Chalmers and Halmstad: an attempt to compare1992In: Product development in engineering education: Proceedings, Halmstad: Halmstad University , 1992, p. 185-192Conference paper (Refereed)
    Abstract [en]

    A study has been made of the Development Engineer education at Halmstad University by a written questionnaire to the graduates in 1982-91. Some of the results regarding patent applications, formation of spin-off companies and monthly salary are presented. Although not exactly comparable some related data are presented from Chalmers University of Technology, Gothenburg. The results indicate very high rates of patent applications and spin-off company formation. The monthly salary level of graduates from Halmstad is on level with graduates from other Swedish technical universities.

  • 94.
    Westlund, Oskar
    et al.
    Halmstad University, School of Business and Engineering (SET).
    Älgsjöö, Marcus
    Halmstad University, School of Business and Engineering (SET).
    Energieffektivisering av laddningssystemet till vindmätarutrustning2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Behovet av elektricitet blir allt viktigare i dagens samhälle. Runt om i världen finns än idag platser där tillgängligheten till det fasta elnätet är begränsad. Oftast är det platser som ligger avlägset och terrängen gör det ekonomiskt oförsvarbart att ansluta sig till det befintliga elnätet. Det kan vara platser som fjäll, öar och skogsområden. På dessa platser används ett fristående elsystem som står för elförsörjningen. Det allra vanligaste systemet är ett hybridsystem som använder sig av två eller flera energikällor vanligtvis en förnyelsebar och en kompletterande fossil energikälla.

    Examensarbetet som görs i samarbete med Arise Windpower AB går ut på att energieffektivisera och undersöka ett befintligt fristående elsystem som används som vindmätarutrustning, SODAR. Detta ska göras utifrån tre huvudaspekter, lågt underhåll, låg driftkostnad och hög driftsäkerhet. Projektgruppen har genomfört en omfattande energianalys på systemet för att se vart i systemet man kan göra energieffektiviseringar.

    För att komma fram till systemets brister och ge förslag på olika åtgärder har projektgruppen besökt objektet för att få en överblick hur systemet är kopplat och vilka komponenter som ingår. Systemets energiflöde har noggrant mätts upp med flera olika verktyg och sammanställts i tabeller och diagram för att få en tydlig bild över energiflödet. För att genomföra detta har solcellernas teoretiska årsgenerering beräknas utifrån ett webbaserat kalkyleringsprogram. Dieselgeneratorns totala drifttid loggas i systemet och den informationen har projektgruppen tagit del av för att sammanställa och beräkna den tillförda energin.SODAR är ett meteorologiskt instrument för att mäta vindhastigheter och vindens karakteristik. En högtalare sänder ut akustiska ljudpulser och en mottagare analyserar retursignalen. En dator behandlar sedan signalen och beräknar vindhastigheten.

    SODAR används främst inom vindkraftprojektering men även på flygplatser för att mäta turbulensgraden i luften. Meteorologer använder sig av denna mätutrustning för att förutspå kommande väderleksrapporter med hjälp av vind, temperatur samt ändringar i luftens kemiska sammansättning. Vid förstudien av ett vindkraftsprojekt placeras en SODAR ut på den tänkta platsen under minst ett år för att få så tillförlitliga mätvärden som möjligt. Mätutrustningen är enkel att flytta då hela systemet är inbyggt i en vanlig släpvagn.

    Resultatet från analysen visade en låg batteriverkningsgrad. Huvudslutsatsen för att energieffektivisera systemet är att kontrollera batteristatusen samt optimera laddningsförloppet. Detta kan göras genom att reglera laddningsspänningen beroende på omgivningstemperaturen. För att uppnå ett billigare energipris i systemet kan SODAR:n kompletteras med ett småskaligt vindkraftverk alternativt en bränslecell istället för dagens dieselgenerator.

  • 95.
    Åhlander, Niclas
    et al.
    Halmstad University.
    Aldaamsah, Saed
    Halmstad University.
    Inhämtning & analys av Big Data med fokus på sociala medier2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    I en värld som till allt större del använder sig av sociala medier skapas och synliggörs information om användarna som tidigare inte varit enkel att i stor mängd analysera. I det här arbetet visas processen för att skapa ett automatiserat insamlingssätt av specifik data från sociala medier. Insamlad data analyseras därefter med noggrant utformade algoritmer och slutligen demonstreras processens nytta i sin helhet. Datainhämtningen från sociala medier automatiserades med hjälp av en mängd kombinerade metoder. Därefter kunde analysen av det inhämtade datat utföras med hjälp av specifika algoritmer som redovisades i det här arbetet. Tillsammans resulterade metoderna i att vissa mönster framkom i datan, vilket avslöjade en mängd olika typer av information kring analysens utvalda individer.

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