The basis of this presentation is the German pilot project EFRB (Mobile electric storage system for vehicles with great mileage and high acceleration) funded by the BMWi. The main focus of this project was the development, implementation and proving of a hybrid energy storage system consisting of different storage components. Wellknown German automotive and energy storage manufacturer like DaimlerChrysler, Varta, Epcos etc. were partners within a consortium that was coordinated by BIBA/MAQ (Bremen Institute of Industrial Technology and Applied Work Science at the University of Bremen Division Metrology, Automation and Quality Science). Within this research project a flexible automotive concept has been developed, which enables flexible adaptation of the operation mode appropriate to power requirements of the hybrid vehicle application. The key idea is a composition of different electric energy storages into one energy storage system. The objective is to achieve both: large mileage and high acceleration in the same vehicle. The results can be transferred on other usual hybrid combinations of fuel cells, combustion engines, batteries and UltraCaps. The system components developed in this project could lead to an optimised possibility for building hybrid vehicles. The system complexity of a hybrid vehicle leads to new degrees of freedom which require an operating control combined with an optimised energy management. It has the objective to set the power flow of each storage device appropriate to drive situation and the optimised working point of the combined system. Basic and advanced methods of control theory, modelling, rapid control prototyping, optimised control and model predictive control are the tools used for the development process. It has been shown, that the option to use a low power energy supply like zinc/air batteries or fuel cells can be supported by additional midand shortterm components like Ni/MH batteries and UltraCaps. This situation dependant energy management leads to an uptodate drive appeal with high efficiency. The results can be transferred to other hybrid constellations.


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    Titel :

    Vehicle with pure electric hybrid energy storage system


    Beteiligte:
    Behrmann, T. (Autor:in) / Lemmel, M. (Autor:in)


    Erscheinungsdatum :

    2007


    Format / Umfang :

    5 Seiten, 4 Bilder, 4 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch




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