The requirements on batteries in modern cars are continuously increasing. Formerly a pure starter battery, it nowadays has to meet the needs for electrical power not only for consumer electronics and climate control but also for more and more safety critical issues. The latter will play an outstanding role when x-by-wire technologies reach the market within the next years. Batteries in vehicles are the weak point for all strategies to either extend the electrification of appliances such as electronic assisted steering or to introduce hybrid strategies on any level. To deal best with the batteries and to assure a reliable operation of all electric appliances in the vehicle detailed knowledge on the battery status is necessary. This is more than the state of charge of the battery. Available charging and discharging for differing events such as cranking or supplying keyless locking systems or alarm devices during extended parking periods. Therefore, car makers and suppliers have invested man-power and money to develop sophisticated battery management systems which help to operate batteries in appropriate conditions to assure their function at any time. Based on the information from the battery management system the vehicle's EMS can control the loads and the generator output. Hybrid strategies essentially need battery management systems to optimise the vehicle operation with respect to overall fuel economy and battery lifetime. This paper gives an overview on the drivers, the requirements, the users and the manufacturers of battery management systems (BMS).


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    Titel :

    Review of monitoring technologies for lead-acid batteries


    Beteiligte:
    Sauer, Dirk Uwe (Autor:in) / Schiffer, Julia (Autor:in) / Thele, Marc (Autor:in) / Bohlen, Oliver (Autor:in)


    Erscheinungsdatum :

    2005


    Format / Umfang :

    16 Seiten, 1 Bild, 16 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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