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    • 4. 发明授权
    • Control apparatus for electric parking brake
    • 电动驻车制动器控制装置
    • US09446752B2
    • 2016-09-20
    • US14487742
    • 2014-09-16
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Taiko Sato
    • B60T7/20B60T7/18B60T13/74B60T13/58B60T13/66B60T7/12
    • B60T13/741B60T7/122B60T7/18B60T13/586B60T13/662
    • A control apparatus for an electric parking brake, including an electric motor to generate a brake force by contacted friction materials upon a brake request, includes a no-load current detection unit to detect a current with the no-load electric motor; a voltage monitor unit to detect a voltage applied to the electric motor monitored between two points on a power line; a resistance calculation unit to calculate a resistance between two points based on the no-load current and the monitored voltage; a required voltage calculation unit to calculate a required voltage between the two points required for driving the electric motor to generate the brake force based on the resistance and a target current; and a control unit to flow a current over the target current in the electric motor based on a comparison between the required and monitored voltages.
    • 一种用于电动驻车制动器的控制装置,包括:电动马达,用于在制动请求时通过接触的摩擦材料产生制动力,所述控制装置包括用空载电动机检测电流的空载电流检测单元; 电压监视器单元,用于检测施加到在电力线上的两点之间监测的电动机的电压; 电阻计算单元,用于基于空载电流和所监视的电压来计算两点之间的电阻; 所需电压计算单元,用于计算基于所述电阻和目标电流来驱动所述电动机产生制动力所需的两点之间的所需电压; 以及控制单元,用于基于所需电压和监测电压之间的比较,在电动机中流过超过目标电流的电流。