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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

Návrh strategie v oblasti elektromobility v ČR pro konkrétní společnost / Proposal of electromobility strategy in the Czech republic for concrete company

Šlechta, Martin January 2011 (has links)
The subject of the thesis is to identify and assess the current status of electromobility in the Czech Republic and proposal of partly strategiy and recommendations for company Mercedes-Benz Czech Republic s.r.o. in this area. The theoretical part deals with the definition of the theory of strategic management process, especially the analysis of the external and internal area and methodologies of creation strategy. The practical part describes the characteristics of the Mercedes-Benz Czech Republic s.r.o., direct analysis of the electromobility and internal analysis of the company. Finally, there is a summary SWOT analysis and strategy formulation and recommendations in the area of electromobility for the company.
2

Estudo de um sistema de propulsão de veículos elétricos populares

Luczkiewicz, Claudinilson Alves 07 February 2017 (has links)
Submitted by Silvana Teresinha Dornelles Studzinski (sstudzinski) on 2017-03-16T13:17:39Z No. of bitstreams: 1 Claudinilson Alves Luczkiewicz_.pdf: 1630762 bytes, checksum: 2bfd6665aa09c3c9c751c44c759f2463 (MD5) / Made available in DSpace on 2017-03-16T13:17:39Z (GMT). No. of bitstreams: 1 Claudinilson Alves Luczkiewicz_.pdf: 1630762 bytes, checksum: 2bfd6665aa09c3c9c751c44c759f2463 (MD5) Previous issue date: 2017-02-07 / UNISINOS - Universidade do Vale do Rio dos Sinos / Esta pesquisa objetiva explorar a alternativa de propulsão automotiva elétrica e apresentar uma proposta de utilização de equipamentos industriais produzidos em larga escala que possam ser inseridos no subsistema de propulsão de um veículo elétrico com características populares, para, dessa forma, oferecer uma alternativa de rápida inserção dos veículos em centros urbanos. As características de potência e torque da alternativa proposta foram investigadas através da dinâmica longitudinal veicular e dos equipamentos existentes comercializados. São avaliadas três configurações de propulsão, sendo um propulsor elétrico conectado de forma única, com dois propulsores independentes conectados nas rodas traseiras e com quatro propulsores independentes conectados diretamente nas rodas. Foram avaliados também aspectos econômicos, podendo em certos casos apresentar custos atrativos ao consumidor final. Os principais resultados, de acordo com as características técnicas dos equipamentos, a viabilidade econômica e o peso, demonstram que a potência mínima necessária para o desempenho do subsistema de tração deve ser de 33,70 kW com o consumo de energia de 19,10 kWh, estando distribuído na configuração com dois propulsores independentes conectados nas rodas traseiras. / The objective of this study is to explore the alternative of electric automotive propulsion and present a proposal for the use of industrial equipment ever produced on a large scale that can be inserted to the propulsion subsystem of an electric vehicle with popular features, and thus offer an alternative fast integration of vehicles in urban centers. The power and torque characteristics of the alternative proposal were investigated for longitudinal vehicle dynamics and its equipment sold. Three driving settings are evaluated, and an electric thruster connected in a unique way, with two independent propellers connected to the rear wheels and four independent drivers directly connected to the wheels. It is also observed the characteristic of economic viability may present attractive costs to the final consumer. The main results, according to the technical characteristics of the equipment, economic viability and weight, show that the minimum power required for the performance of the traction subsystem should be 33.70 kW with energy consumption of 19.10 kWh and distributed in the configuration with two independent propellers connected to the rear wheels.
3

ALTERNATIVE PROPULSION FOR AIRCRAFT OF GENERAL AVIATION CATEGORY / ALTERNATIVE PROPULSION FOR AIRCRAFT OF GENERAL AVIATION CATEGORY

Kaddour, Mirvat January 2016 (has links)
Letecká doprava jako všechny ostatní dopravy podílí na produkci emisí skleníkových plynů, což je hlavní důvod změn klimatu. Disertační práce je zaměřena na možnost využití alternativního zdroje energie (paliva, motor) v letectví, aby se snížily emise produkované letadel. Oblast,na která již pracuje je všeobecné letectví, zejména letadel kategorie LSA a VLA. Tři možnosti, alternativní zdroj energie, budou diskutovány. První používá LPG palivo, další je elektrické motory, a poslední přidání katalyzátoru a výfukového systému. U každého z nich bude uvedeno výhody a nevýhody, hlavní změnu pohon letadla nebo výfukového systému a různé výkonnosti letadla v důsledku těchto změn.

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