In anticipation of the increased needs to further reduce exhaust gas emissions and improve fuel consumption, a new brake-by-wire system called an 'Electronically Controlled Brake' (ECB) system has been developed. With this brake system, which is able to smoothly control the hydraulic pressure that is applied to each of the four wheel cylinders on an individual basis, functional enhancements can be added by appropriately modifying its software. This paper discusses the necessity of the ECB, the system configuration, and the results of its application on hybrid vehicles. The regenerative brake system recovers the braking energy in order to improve fuel consumption. The vehicle responds to the driver's brake force requirement by utilizing the maximum possible amount of regenerative brake force and resorting to the friction brakes for the amount of brake force that is lacking. The Vehicle Dynamics Management (which comprehensively controls the braking and driving forces) has been incorporated in the system. As a result, excellent brake feel has been realized through regenerative coordination control, while improving the fuel consumption rate by approximately 20%. The driver comfort has been improved with respect to the vehicle behavior from the normal range to the limit range.


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    Titel :

    Development of 'ECB' system for hybrid vehicles


    Weitere Titelangaben:

    Entwicklung eines 'ECB'-Systems für Hybridfahrzeuge


    Beteiligte:
    Soga, M. (Autor:in) / Shimada, M. (Autor:in) / Obuchi, Y. (Autor:in)


    Erscheinungsdatum :

    2002


    Format / Umfang :

    11 Seiten, 12 Bilder, 3 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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