Med hjälp av en stor mängd vindobservationer i tid och rum analyseras vindhastigheters statistiska egenskaper. Det visar sig att weibullfördelningen väl beskriver vinden, bådeårs- och månadsvis. Vidare används variogram för att undersöka vindens korrelation i rummet. En parametrisk variogrammodell som ger en bra beskrivning för närliggandepunkter ärWhittle. Dessutom skattas medelvärdesfunktioner för vindens tidsserier.

Syftet med uppsatsen var att på uppdrag av butiken Trolltyg beskriva företagets kunder utifrån deras grad av tillfredställelse och lojalitet till butiken. Samt att bidra med en bild av butikens styrkor och svagheter och på så vis även bidra med kunskap till företaget för att ge det möjligheter att stärka dess konkurrenskraft. Metoden hade en kvantitativ ansats och en enkät utformades för insamling av data. Vi kom fram till att respondenterna överlag var nöjda med butiken och med det bemötande de fått. De ansåg sig få en rättvis bedömning när det kommer till återköp och de upplevde att känslan de får av butiken är positiv.

This research looks into the modern revival of opera based on the study of two recent productions of Giuseppe Verdi?s Don Carlo; the first is the 2010 production at the Gothenburg Opera in Gothenburg, Sweden and the second is the 2013 production at Großes Festspielhaus in Salzburg, Austria. The goal is to discover what aspects a contemporary audience can relate to and identify with and why opera is still relevant today. This has been done partly through a semiotic analysis of the visual image (e.g. set, costume and lightning) and partly through a hermeneutical analysis of the themes in Don Carlo.

This master thesis was made to validate hydropower models of a turbine governor,Kaplan turbine and a Francis turbine in the power system simulator ARISTO atSvenska Kraftnät. The validation was made in three steps. The first step was to makesure the models was implement correctly in the simulator. The second was tocompare the simulation results from the Kaplan turbine model to data from a realhydropower plant. The comparison was made to see how the models could generatesimulation result that was similar to the reference power station.

Value-at-Risk (VaR) is among financial institutions a commonly used tool for measuring market risk. Several methods to calculate VaR exists and different implementations often results in different VaR forecasts. An interesting implementation is historical simulation, and the purpose of this thesis is to examine whether historical simulation with dynamic volatility updating is useful as a model to calculate VaR and how this differs in regard to type of asset or instrument. To carry out the investigation six different models are implemented, which then are tested for statistical accuracy through Christoffersens test. We find that incorporation of volatility updating into the historical simulation method in many cases improves the model.

Denna uppsats behandlar frågan om normalitets-, heteroskedasticitets- och kombinationstests användbarhet i att testa nollhypotesen om samtidig normalitet och likhet i varians. Kombinationstesten utgörs här av summan av ett ?2-fördelat normalitetstest och ett ?2-fördelat heteroskedasticitetstest.Undersökningen handlar dels om testens styrkenivåer under olika former av avvikelser från nollhypotesen, varvid intresset särskilt är inriktat på hur kombinationstesten klarar sig. Men även frågan om normalitets- och heteroskedasticitetstestens förmåga att hålla sina signifikansnivåer under nollhypoteserna om normalitet respektive lika varians när störningstermerna har olika varians respektive ej är normalfördelade tas upp. Undersökningen genomförs med hjälp av omfattande Monte Carlo-simuleringar.Resultaten pekar på att kombinationstesten klarar sig väl i förhållande till normalitets- respektive heteroskedasticitetstesten när det gäller styrkenivåer, förutom då störningstermerna är symmetriska, platykurtiska och med lika varians.

The purpose of this thesis has been to explore the topic of business simulation from a theoretical foundation in social constructivism and theories concerning leadership as the management of meaning. The most important findings are that business simulation can be used for strategical leadership by management to create a common vision in the organisation members, which affects their perception of the business and the decisions and actions they make, which in turn can lead to a more efficient organisation that becomes better at meeting set goals. This can be viewed in different ways from different theoretical viewpoints: as inducing targeted changes in mental models to create changes in decision making and actions; as a secondary socialization process where the vision of management is externalized as a business simulation that is in turn internalized by the organisation members that participate in the business simulation, or as a way to frame and define the reality of the organisational members which creates a shared reference point against which a feeling of organisation and direction can emerge. In the future, business simulations may become increasingly used by organizations to create a common vision or to communicate a new decision to the organization members..

The project was intended to produce a brush simulation plugin to the image processing program GIMP which would use a 6DOF drawing tablet for user input.Too ambitious goals coupled with compability issues between the resources used resulted in that no meaningful software was produced. Experience was however obtained, and this paper is intended to give an overview of relevant concepts for- and the process ofcreating a brush simulation..

SAMMANDRAGHistorisk Simulation, Delta-Normal och RiskMetrics prestation utvärderas med hjälp av Kupiecs Backtest. Value at Risk (VaR) beräknas med tre olika konfidensnivåer utifrån Affärsvärldens Generalindex och HSBC kopparindex. Utifrån överträdelser från verkligt utfall undersöks vilken VaR-modell som estimerar marknadsrisken bäst. VaR-modellernas prestation jämförs, och i analysen utreds hur konfidensnivå och tillgångars egenskaper påverkar VaR-modellernas prestation. Resultaten visar att Historisk Simulation presterar bättre än Delta-Normal och RiskMetrics på den högsta konfidensnivån vilket troligtvis beror på att RiskMetrics och Delta-Normal antar normalfördelning.

ABB is one of the world?s leading engineering companies in power and automation technologiesand their solutions improve performance while lowering environmental impacts for energycompanies and industries. ABB FACTS designs equipment and plants for series and phasecompensation.This thesis has been performed at ABB FACTS on the Mechanical Design (DM) department inVästerås, Sweden. The purpose of the thesis was to develop and design calculations andsimulation tools for ABB FACTS?s standard series capacitor platforms.

SMC is in the process of developing a micro simulation model. The existing micro simulation model developed at Cornell University for US data, CorSim, is one of the fundamental parts for the new micro simulation at SMC. To develop the Swedish model, Swedish data on all individuals in Sweden during 11 years are also available. These data are organized in a database. This paper describes the process of rebuilding the database to a more useful structure.

Simulation of different systems can be done using a graphical model description of the system based on block diagrams. The simulation software Matlab/Simulink offers a lot of possibilities to describe a huge number of systems, which can be linear as well as nonlinear. The simulation using Matlab/Simulink is done by integration based on different kinds of numerical methods.When nonlinear Simulink-models are simulated, it is often interesting to apply a Kalman filter to handle the noise that may occur within the process as well as corrupting the measurement. However, application of such a filter leads to an extensive time-consumption despite using fast computers. The reason is that the existing Matlab functions are not constructed for time optimal evaluation.

This thesis deals with the documentation of non-prioritised material during archaeological fieldwork. The main questions are whether there is a difference in the documentation of the non- prioritised material, between rescue archaeology and research archaeology and what the reasons for such a difference may be related to. Furthermore, the thesis deals with what arch-aeologists write say and do about the subject. To answer these questions, I analyse three different projects; Two research projects, Zvejnieki (Latvia) and Monte da Igreja (Portugal), and one rescue archaeological project, Gyllins Trädgård (Sweden).The most important result is that there is as great a difference between the two research projects as there is between the research projects and the rescue archaeological project. Many similarities can be seen in the projects conducted at Monte da Igreja and Gyllins Trädgård.

Vid röjning av RSV-ammunition saknas idag adekvat beslutstöd för att dimensionera skadebegränsande åtgärder mot jetstrålens verkan. I uppsatsen vidareutvecklas en beräkningsmodell som författaren tidigare föreslagit. Syftet är att skapa ett verktyg som kan införas i ammunitionsröjningsverksamheten.Fullskaliga skjutförsök har genomförts för att klarlägga inverkan av förhållanden som är typiska vid ammunitionsröjning; en skyddskonstruktion byggd av sandsäckar och med ett långt detonationsavstånd till röjningsobjektet. Försöksresultatet visar att den grundläggande hydrodynamiska penetrationsteorin inte är användbar för dessa förhållanden. Vidare ger sandsäckskonstruktionen signifikant bättre skydd mot jetstrålen än en homogen grusbädd.Genom störningsanalys har känsligheten hos de enskilda parametrarna i beräkningsmodellen för verksamhetstypiska fel utretts.

At the department of Electronic Warfare Assessments at the Swedish Defence Research Agency in Linköping one of the activities is modelling and simulation of the duel between a robot and a target. The aim with this Master's thesis is to develop a simulation model of an hovering helicopter. First a theoretical description of the forces and moments acting on an helicopter is given. Then the equations of motion are derived. These equations are simplified to be valid only for a hovering helicopter and the result is a mathematical model.