The worldwide demand for vehicles, respectively for their diversity, corresponding to specific utilizations, increases continuously. On the other hand, the energy resources, the ecological aspects and the traffic flow lead to severe requirements to every new vehicle and propulsion system. Between necessities, specific utilization aspects and requirements, numerous configurations of propulsion systems are conceivable. This paper presents a classification of conventional and advanced propulsion systems and of their combination concepts in base of following criteria: energy resources, ecological aspects, technical feasibility, expected costs. The paper gives an overview of different propulsion systems and of the required energy form - including storage or conversion on board. Going from this overview basic concepts such as advanced IC engines and their energy sources, electric motors, inclduing the energy storage or conversion systems as well as advantageous hybrid configurations are discussed. The combination of different propulsion forms for specific utilization results as a pragmatic way between niche techniques and universal solutions. A major problem of the electric propulsion remains: the accumulation of electric energy on board for acceptable operation range of the vehicle. A new potential is offered by transformation instead of accumulation of electric energy on board - thus the movement from the battery to the fuel cell. Following this way, an appropriate scenario can be created: propulsion by electric motor with a relatively small and efficient battery, chargeable by a generator on board. The generator can be in such case a compact and cheap SI engine.
Advanced automotive propulsion systems - alternatives, combustions and trends
Innovative Fahrzeugantriebe
2001
16 Seiten, 24 Bilder, 19 Quellen
Conference paper
English
Advanced Automotive Propulsion Systems - Alternatives, Combinations and Trends
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