The task in this master thesis was to design and construct a prototype of a satellite antenna driver unit. The unit is to be robust and work in cold weather down to -40°C, so that it can be mounted on the roof of a minibus. A microcontroller controls the H-bridges simultaneous, each connected to an electrical motor. Hardware and software protections were implemented to ensure that the antenna can not turn outside its allowed area and risk breaking. The unit can output voltages at many different levels and communicate at a multitude of signal standards..

This master thesis work was done by two students at Machine Design at KTH for Lesjöfors Stockholmsfjäder AB. The task was to develop a calculation program for gas springs. The program is going to ease the selection of gas springs for a given case of a lid that should be opened. The program is going to be used internal by sales people at Lesjöfors AB in Sweden and internationally. The program is therefore written in English.The program was developed in Microsoft Visual C# 2008 Express Edition.

Unmanned aerial vehicles (UAV?s) are nowadays greatly appreciated. The advantage over manned airplanes are great since UAV?s can be much smaller and therefore lighter. The goal of this project is to evaluate the performance of an environmentally friendly UAV using only lithium-ion batteries.

The thesis aims to understand how learning processes are affected when an organization split into two separate organizations. The study is designed as a single case, covering a new government agency?s takeover of a core activity from another agency and the use of a purchase-provider split between the agencies, providing the new agency with IT-services. The findings revealed a difference in productive system and knowledge types between core- and IT-activities. The core activity was found to be dominated by explicit knowledge while the IT-activity seemed to be dominated by a mix of explicit and tacit knowledge.

Syfte och frågeställningarSyftet med denna studie är att kartlägga vanligt förekommande spelstrategiers effektivitet hos manliga och kvinnliga tennisspelare under Grand Slam turneringarna Australien Open och US Open 2009 sett ur servarens perspektiv. Detta för att möjliggöra en generell jämförelse inom och mellan herr- och damspelare samt mellan olika spelares specifika spelstrategier.Hur ser fördelningen och effektiviteten ut av serveplaceringen i respektive serveruta?Inom vilket slagintervall samt i vilken zon i banan avgörs huvuddelen av poängen samt i vilken zon är effektiviteten högst?Hur ser slagkombinationseffektiviteten och slagkombinationsförekomsten ut ur servarens perspektiv? MetodEn utförlig litteratursökning efter tidigare forskning genomfördes med hjälp av databaserna PubMed, SportDiscus och Google Scholar. Därefter analyserades totalt 15 DVD-matcher från Grand Slam turneringarna (2757 poäng, Herr = 1714 p, Dam = 1043 p) US Open (2009) och Australien Open (2009). Totalt medverkade 18 ATP och WTA- spelare (9 herrar, 9 damer) med en världsranking på topp 30 eller bättre.

BAKGRUND: Leukocyter ingår i kroppens immunförsvar vilket skyddar oss mot b.la. angrepp av bakterier och virus. Vid högintensivt fysiskt arbete så hamnar vi i ett s.k. ?open window? där vi är som mest mottagliga för sjukdomar.

The purpose of this thesis is to try to find out what effect subject oriented projects like Energiutmaningen has on the teachers, with a focus on teachers? physics education. What was the experience for the teachers who participated and what effects did the project have on them. Four teachers were interviewed through qualitative interviews. From the result it showed that the most experienced teachers, who have been teaching physics for many years, gained a new perspective of their teaching, through their participation a development showed in their education.

Parkeringsproblemet finns i storstäder över hela världen. Med fler människor som skaffar bilar och större städer som inte hinner med i utvecklingen av stadsplaneringen så kommer problemen att öka. Felparkeringsavgifterna i Sverige ökar år efter år och datumparkering är en stor del av det i Gävle. Syftet med arbetet är att utveckla en prototyp på en parkeringsapplikation som på ett enkelt sätt visualiserar var det är tillåtet att parkera. Ett annat delsyfte är att undersöka vad bilförare kan om datumparkering och om en applikation kan hjälpa till att lokalisera platser där det är tillåtet att parkera.

Svenska institutet är en statlig myndighet vars uppdrag är att sprida en positiv och aktuell bild av Sverige. Detta har enligt dem själva blivit allt viktigare i och med globaliseringen. Då världen allt mer homogeniseras blir det viktigare för en nation att vara konkurrenskraftig och visa sin särart för att locka hit handelspartners, investerare, studenter, turister samt arbetskraft.Den här uppsatsen diskuterar Svenska institutets arbete med bilden av Sverige och de tankar och strategier som ligger bakom det informationsmaterial de producerar. Med hjälp av bildanalys undersöks filmen Open Skies Open Minds och broschyren Sweden & Swedes som båda ska illustrera det samtida Sverige. Vi har även analyserat intervjuer med projektledaren för filmen Cecilia Sundstrand, producenten för både filmen och broschyren Claes Britton samt Svenska institutets generaldirektör Olle Wästberg.

I takt med att GIS (Grafiska InformationsSystem) blir allt vanligare och mer användarvänligt har WM-data sett att kunder skulle ha intresse i att kunna koppla information från sin verksamhet till en kartbild. Detta för att lättare kunna ta till sig informationen om hur den geografiskt finns utspridd över ett område för att t.ex. ordna effektivare tranporter. WM-data, som det här arbetet är utfört åt, avser att ta fram en prototyp som sedan kan visas upp för att påvisa för kunder och andra intressenter att detta är möjligt att genomföra genom att skapa en integration mellan redan befintliga system. I det här arbetet har prototypen tagits fram med skogsindustrin och dess lager som inriktning.

Today?s society is one where technological advances are made daily, which increases the need to stop and assess the risks against users? integrity when integrating new technology in contemporary systems all the greater. We have taken two technologies, Near Field Communication and Certified Wireless USB, whose envisioned area of use is to be integrated into mobile phones, and evaluated what security threats are revealed for the respective technologies. The threats against security have been identified through research of the standards and existing reports for each technology. Practical experiments have not been conducted on account of us not having access to any equipment to run such trials.

This project is about development of virtual drums for iPhone and iPad. The project aims to provide the company Toontrack AB with a good foundation to build drumbased apps. The focus has been on getting a quick response when playing and that user interfaces should be easy to use, intuitive and customizable. The result is impressive and both audio and graphics are of excellent quality thanks to good collaboration with Toontrack, that previously has developed drum-based software. The drum kit offers a variety of articulations and even the ability to play various dynamics, although the screens are not pressure sensitive..

Almost 10 years after the attack on World Trade Center Sept. 11 2001, Osama bin Laden was shot and killed on May 2 2011 in Pakistan. How was this event framed by the media with regards to the global war on terror? This study compares two different American newspapers ? the New York Times and the New York Daily News ? and how they framed the war on terrorism in the Middle East from May 2 to May 15 2011. By analyzing the framing in a perspective of the four functions of framing theory: define problems, diagnose causes, make moral judgments and suggest remedies, we found considerable differences in each papers frames.

This final project includes an analysis and a programme proposal for the area Bergsbrunna södra. The area is situated along the railway between Uppsala ? Stockholm, just south of Uppsala city. A new railway station is planned here, which make the area attractive as residential area. There are several values to take into consideration when developing an area. An extensive analysis and valuation may define and protect different characters and values, and also find the places most suitable to build upon. The area consists of three separate characters of landscape: the wide open cultivated fields, the hilly wooden ground and the more varying little valley. There are visual, cultural, social and ecological values to preserve. The south part of the area is woods with high natural values that borders to a national park in the natural forest of Lunsen.

In this report a system for Rapid Control Prototyping, RCP, is evaluated through animplementation of the motor control methods Field Oriented Control, FOC, and Space VectorPulse Width Modulation, SVPWM. The evaluation emphasizes on time-consumption andresource utilization on the used hardware and on usability for of software.A new mechatronic laboratory is under development at ABB Corporate Research in Västerås. Itwill be used for both mechanical and motion control design using existing and new hardware.The control structure in a traditional robot system will be interfaced to a rapid prototypingsystem which should allow easy changes to algorithms at different levels in the system.The system designated for this project comes from National Instruments and constitutesLabVIEW Real-time and FPGA module as the software tools. The hardware is a NI Single-Board RIO (Reconfigurable Input Output), sbRIO, development board including a Field-Programmable Gate Array, FPGA, from Xilinx and a microprocessor from FreescaleSemiconductor. Graphical programming is performed in the LabVIEW environment, andthrough Xilinx tools the LabVIEW FPGA code is compiled to VHDL code.A pre-study was carried out to clarify the concept of RCP and investigate different systems forRCP and their traits.