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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

PSQS – Power Supply Quality Simulator

Ahlström, Johan, Nordström, Edward January 2008 (has links)
Kitron had wishes to be able to test and measure how disturbance affects their vehicle electronic units before they have been verified by SP Technical Research Institute of Sweden in Borås. This work started with the writing of a demand specification together with Kitron for a product PSQS, Power Supply Quality Simulator, which can generate some test pulses according to a standard for electronic units to Volvos vehicles. A design proposal was developed with the help the demand specification and was verified with the help of simulations. All electric schematics was designed with the guide of the design proposal. The pulses realized in the works of this thesis are those which Kitron experienced that they have a need to test in their own premises and which are possible to generate with the means available. All work took place at Kitron in Jönköping, the restriction of the work has been the cost of components not to be to high as well as the finished product shall be easily managed. This thesis work resulted in a unit which is possible to produce a number of disturbances on the voltage feed to a unit under test. Some pulses have not been completely correct according to Volvos standard. There are large possibilities to further develop PSQS to a unit that follows Volvos standard and even other vehicle producer’s standards.
2

PSQS – Power Supply Quality Simulator

Ahlström, Johan, Nordström, Edward January 2008 (has links)
<p><p>Kitron had wishes to be able to test and measure how disturbance affects their vehicle electronic units before they have been verified by SP Technical Research Institute of Sweden in Borås. This work started with the writing of a demand specification together with Kitron for a product PSQS, Power Supply Quality Simulator, which can generate some test pulses according to a standard for electronic units to Volvos vehicles. A design proposal was developed with the help the demand specification and was verified with the help of simulations. All electric schematics was designed with the guide of the design proposal. The pulses realized in the works of this thesis are those which Kitron experienced that they have a need to test in their own premises and which are possible to generate with the means available. All work took place at Kitron in Jönköping, the restriction of the work has been the cost of components not to be to high as well as the finished product shall be easily managed. This thesis work resulted in a unit which is possible to produce a number of disturbances on the voltage feed to a unit under test. Some pulses have not been completely correct according to Volvos standard. There are large possibilities to further develop PSQS to a unit that follows Volvos standard and even other vehicle producer’s standards.</p></p>
3

Utveckling av undervisningsmaterial kring fordonselektroniska styrsystem : för fordonselever / Development of educational material in automotive electronic control systems : for vehicle technician students

Johansson, Fredrik January 2011 (has links)
Denna rapport handlar om utveckling av ett undervisningsmaterial för elever på fordonsprogrammet inom området elektroniska styrsystem. Rapporten beskriver processen från idé fram till färdigt undervisningsmaterial. Detta har tagits fram för att ge eleverna en bredare, mer generell kunskap inom detta ämnesområde än vad som är möjligt att få genom enbart teoretisk undervisning kring utvalda märkesspecifika system.  Undervisningsmaterialet bygger på teoretiska avsnitt som varvas med praktiska övningar kring en mikrokontroller med tillhörande sensorer och aktuatorer. Genom att skapa korta styrprogram som hanterar dessa sensorer kan olika funktioner skapas med hjälp av mikrokontrollen. Detta gör att många av de delfunktioner som används inom fordonselektroniska styrsystem kan simuleras.

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