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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

Critical evaluation of the battery electric vehicle for sustainable mobility

Milligan, Ross January 2017 (has links)
Can Battery Electric Vehicles replace conventional internal combustion engine vehicles for commuting purposes when exposed to a busy corporate activity within the city of Edinburgh? This thesis investigates the application of Battery Electric Vehicles (BEV) use in a commercial business environment in the city of Edinburgh, Scotland UK. The motivation behind this work is to determine if the Battery Electric Vehicle can replace conventional fossil fuel vehicles under real world drive cycles and the desire by many to combat the causes of climate change. Due to the nature of this work a significant part of the work will be underpinned by the quantitative methodology approach to the research. As the question indicates the research is supported by real live data coming from the vehicle both in proprietary data logging as well as reading and analysing the data coming from the vehicles own Electronic Control Unit (ECU).There will be mixed research methodology encompassing quantitative and qualitative research to obtain a complete response in respect to the management of the vehicle these methodologies will be the analysis of the measurable data as well as explorative, to gain the underlying reasons and motivations for choosing a battery electric vehicle as an option to the conventional vehicle for this type of application use.
2

Investigation for the development of a new electric control unit for customized trucks

Liu, Yusen January 2019 (has links)
Customized truck is a relevant and high-profit part of Scania’s market. Nowadaysdesigners do not have a self-developed electric control unit for introducing non-standardfunctionality. This thesis is intended to investigate the specification of a new system andan approach to implement it in current truck’s electrical system. The adopted methodsin this research are systems analysis, functional specification, HW & SW research andcomparison and validation test of prototype system. The results obtained in this researchinclude the potential functions and corresponding requirement specification, 5 types ofhardware alternatives and 2 recommended software platform. Their feasibility is verifiedby a prototype system with 2 typical functions, control the motor of inward sliding doorand combine the communication of different system. 3 recommended schemes and 2 directionsfor future research are given in the end. Based on investigation results, developersare able to know new system’s specification preliminarily, understand the architectural requirementsand suitable tools and materials for implementation. This research will helpto improve Scania’s truck’s electrical system and product manufacturing in the future. / Specialfordon utgör en viktig och betydande del av Scanias produkter. Dagens de-signer har inte tillgång till en egenutvecklad styrenhet för att introducera icke standardiserade funktioner. Detta examensarbete fokuserar på att undersöka ett nytt system och hur det skulle implementeras i den redan existerande lastbilens elektriska system. De behandlade ämnena i arbetet är systemanalys, funktionsanalys, hårdvaruspecifikation, mjukvara samt validering och utvärdering i form av byggnation och testning av en prototyp. Resultatet som erhållits i denna rapport inkluderar potentiella funktioner och motsvarande kravspecifikation, fem typer av hårdvara och tvårekommenderade mjukvaruplattformar. Reliabiliteten av dessa valideras med en prototyp med två typiska funktioner, kontrolleraen motor på en elektrisk dörr samt kombinera kommunikationen av olika system. Trealternativa lösningar samt två alternativ till framtida studier rekommenderas i slutet av rapporten. Baserat på resultaten har utvecklare möjlighet till en preliminär specifikation,förståkrav påarkitektur, användbara verktyg och material för implementation. Dennarapport kommer att underlätta förbättring av Scanias elektriska system och utveckling iframtiden.

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