Problems with the current energy system, which partially relies on non-renewable fuels, are increasingly recognized. Emissions of greenhouse gases from fossil fuels may speed up global warming, which in turn leads to a number of negative consequences. Nuclear energy is risky and relies on consumption of a scarce resource. This leads to a demand of renewable energy that is also economically feasible. One possible renewable source of energy is solar energy.

This thesis work has been performed at the department of diagnosis and dependability at Volvo Car Company, Torslanda. The background of this project is based on interest in ascertaining how different factors possibly can affect a diagnosis method, which has been developed to find leaks in the fuel tank and evaporation system. According to the OBD II requirements leaks with an orifice diameter larger or equal to 0,5 mm, must be detected. The idea of the diagnosis method is to create an over pressure in the system with an air-pump. The current through the pump is measured and correlates to the power consumed by the pump.

With new energy directives in place, the Swedish Social Service (SSS) stands beforethe challenge how to reduce the energy demand in its locales. It is a complex matter,as the locales are rented from various property owners and it becomes a question ofhow to reduce the operational electricity and influence the property owners to workmore with energy efficiency. This thesis takes a balanced research approach in threeparts. Firstly a qualitative part in form of interviews with personnel at the SSS and itsproperty owners, secondly a quantitative part of descriptive nature in form of energystatistics and thirdly a literature review of Energy Management (EM) Supply ChainManagement(SCM), Green Supply Chain Management(GSCM) and EnviromentalPerformance Indicators (EPI). This in order to be able to give normativerecommendations of how the SSS should act to reduce its energy consumption in itslocales and provide new insights on how EM, SCM, GSCM and EPI can be applied ineffect.

Sammanfattning I denna uppsats undersöker jag i kvalitativa intervjuer med tre lärare, på vilket sätt elever i svenska grundskolor (årskurs 7-9) deltar i bedömningsarbetet, och vilka olika problem som lärare upplever i samband med detta. Resultaten visar att de mest framträdande svårigheterna anses vara tidsbristen, och problem i samband med elevers förutsättningar. Tydligt är dock att orsaker till många av dessa problem redan finns grundlagda i arbetet med styrdokumenten och skolorganisationen. Lösningen på många av problemen kan vara utom lärarnas räckvidd, medan andra problem kan minska på längre sikt genom lärares och elevers ökade träning i bedömningsarbetet. En skolutveckling i riktning mot ett ökat elevdeltagande i bedömningen kräver att lärare tydligt kommunicerar med varandra och med eleverna, samt feedback till skolledning och forskning, så att kraven på lärarna kan bli realistiska och arbetsbördan rimlig..

As the volumes are entering the world of computer graphics the pure volume visualisation becomes a more important tool in for example research and medical applications. But the advance in haptics --- force feedback from the computer --- is behind. In volume haptics no equal to the proxy method so popular in surface haptics has yet emerged. Some implementations of volume haptics even use surfaces as intermediate representations so that surface haptics can be used.The intention of this work was to create natural feeling haptic feedback from volumetric density data using pure volume haptics. The haptic algorithm would be implemented in Reachin API for the Reachin Desktop Display, together with other parts to build up a usable volume visualisation environment.To achieve the feeling of stiffness and friction dependent on tissue type, a proxy based method was developed.

Titel: Kommunicera rätt! ? En studie om kommunikation mellan systemutvecklare med kundkontakt och kund. Författare: Peter Johansson Oskar Hanson Handledare: Johanna Törnquist Examinator: Guohua Bai Problemområde: Anledningen till detta examensarbete är att problem som kan uppstå vid systemutvecklingsprojekt vanligtvis har sin grund i kommunikationen mellan systemutvecklare med kundkontakt och dess kunder. Exempelvis hör en systemutvecklingsgrupp och ett bageri till två vitt skilda yrkesområden och därmed pratar de ?olika språk?, vidare kan det skapas semantiskt brus i kommunikationskanalen som i slutändan kan leda till en felaktig kravspecifikation och de verkliga förändringsbehoven förblir oupptäckta. Hypotes: Examensarbetet baseras på hypotesen: ?Semantiskt brus[1] i kommunikationskanalen[2], otillräcklig negativ feedback[3] från sändare[4] och mottagare[5] och svårighet att hitta rätt nivå på samtalet med hjälp av kodning[6] och avkodning[7] ger upphov till en felaktig bild av kundens verkliga förändringsbehov[8] .? Slutsats: Alla delar ur Shannons kommunikationsmodell tillsammans med cybernetikens negativa feedback påverkar resultatet vid framtagande av kravspecifikation. Delar som både teori och respondenter tar upp är att som konsult måste denne ?kunna tala kundens språk?, hitta rätt nivå på samtalet, ge och ta negativ feedback samt undvika semantiskt brus i kommunikationskanalen.

This bachelor thesis is about an ultrasonic sensor, implemented in a bubble chamber in Artis. The sensor consists of the piezoelectric sensor and an electronic control circuit. The control circuit consists of a programmable microprocessor, PIC18F2420 and a circuit, which sends the excitation signal to the piezoelectric sensor, and later receives the echo. This bachelor thesis consists also of a theoretical study, which examines different techniques of liquid level sensing in a chamber. The study discusses which factors are important in liquid level sensing and examine accepted methods.

The overall aim of this study is to achieve the increased knowledge of the use of the counselling methods in the student counsellors' work and to find the possibilities for development. Two questions are used as guidelines:Which counselling methods do student counsellors use in their work in schools?How can the current education for the student counsellors be supplemented?The analysis of the interviews with six counsellors in Stockholm's administrative province showed that even uneducated counsellors use the same counselling methods as the educated ones. All these methods which are used remind of the known counselling methods that are the part of the current education for the student counsellors.In general counsellors experienced that the education for the counsellors should be supplemented within the field children with special needs and that conversation's methodology is the essence of the counselling work..

AbstractResource efficient manufacturing is a term that has been increasingly applied within manufacturing, where one of the key points is to reduce waste of such forms that do not add value for the end customer. By the Lean principles, there are seven plus one types of waste, in which the definition of the eighth point varies among sources. In this study, the eighth type of waste has been interpreted as the untapped creativity and competence among employees that has not been put to use. From this, our question was incubated; How can you make the most of the employees? untapped creativity and potential within manufacturing? The case study will be developed with empirical data obtained from Dometic Group by conducting interviews.From the gathered literature, it was concluded that the communication between employees contributed to an increased understanding of one another as well as it allowed for improvement in work.

Visualization plays a key role in the concept of Lean. Lean was developed in Japan as a business philosophy in order to lead to an activity, where only steps that contribute to customer value of the final product are being performed. By defining the customer value and establish visualized standards, it is possible to see when situations differ from the standard. Then it?s possible to lead the process back on track.

I den här studien har vi tittat på hur utbildning, motivation och feedback påverkar arbetsprestationen hos ordningspoliser, men vi har även tittat på hur dessa faktorer påverkar varandra. En av frågeställningarna i arbetet har varit om en handdator med lathundar/checklistor skulle kunna vara ett bra arbetsredskap i polisarbetet, samt hur denna handdator skulle kunna påverka arbetsprestationen ur ett utbildnings-, motivations- och feedbackperspektiv. Vi har inte på något sätt skrivit en heltäckande studie över vad som påverkar dessa faktorer utan koncentrerat oss på hur en handdator skulle kunna fungera motiverande, utbildande och som en källa för feedback av det egna arbetet. Vår slutsats har blivit att vi tror att en handdator skulle kunna höja arbetsprestationen hos poliser i yttre tjänst som helhet och att vissa poliser skulle kunna få en ökad arbetskapacitet av att jobba med ett sådant hjälpmedel. Det finns dock många ytterliggare faktorer som påverkar som vi har utelämnat eller bara berört lätt i denna studie..

This report describes the development of a high-voltage connector at the request of Scandinova Systems AB in Uppsala. The development process is described from the making of a customer demand specification, to the making of drawings for the manufacturing of prototypes. Scandinova develops high-voltage modulators, hence the need for connectors that can handle very large power pulses. Their current connector has several weaknesses that may cause the connector to melt or catch fire. The development began with a number of studies that included the modulator structure and the current connector structure and functions.

The aim of this study was to examine the students' perspectives on formative assessment, partly about how students perceived the assessment in general, partly about what students' opinions were on formative assessment, and partly about students' view of how assessment could be organized to stimulate learning process.  The study consisted of qualitative interviews with six students in grades one in an upper secondary school.The survey showed that students primarily perceived assessment with summative purpose: tests and scores.  Majority of the students experienced that there were too many tests occasions.  Those high-performing students were positive to tests.  However, those lower-performing students felt more negative and became more stressful with the exams.Results showed that they were lack of experience of formative assessment.  All the six students thought that they had not got any chance to involve in the assessments process.  They realized that they had not got adequate feedback about their learning-situations.  With regard to students' wishes about how assessment could be developed in order to improve their learning, it was mainly about more and concrete feedback on tests and assignments.Two models were developed in the final discussion, which showed the author's own perception of formative and summative assessments..

Militärt ledarskap har tidigare utforskats inom en militär kontext. De senaste åren har många officerare slutat inom försvaret och blivit chefer inom det civila. Uppsatsen undersöker kvalitativt huruvida dessa chefer har nytta av erfarenheten från försvaret i sitt civila ledarskap. Detta görs utifrån en litteraturgenomgång av ledarskapsforskning och den militära kontexten. Tretton chefer på mellanchef till VD-nivå intervjuades i ett semistrukturerat format inspirerat av grundad teori.

The current study sought to examine if post-produced semantic memory cues are a good aid for memory recall. It also focused on remembering units with a meaning, instead of just remembering lists of words. In the current study a factual text was used where the participants were tasked with recalling as much information as possible either with the aid of cues (keywords written by the participants themselfs), computer with Internet or no aids at all. The results showed that keywords are significantly better for memory recall. The results were discussed in regards to modern models describing semantic memory.