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    • 1. 发明授权
    • Control apparatus for electric vehicle
    • 电动车控制装置
    • US06469462B2
    • 2002-10-22
    • US09733050
    • 2000-12-11
    • Iwao ShimaneSatoru AdachiHiroaki TakanohashiYuji SaitoHajime KondouKenichiro Kimura
    • Iwao ShimaneSatoru AdachiHiroaki TakanohashiYuji SaitoHajime KondouKenichiro Kimura
    • H02P700
    • B60L15/2009Y02T10/645Y02T10/7275
    • A control apparatus for an electric vehicle is provided, which is capable of reducing the weight of the electric vehicle and preventing the inverter circuit from overheating. When the vehicle stops on an uphill due to stalling, the control unit 30 starts counting the time over which current is supplied through the same IGBT element. When the count value reaches a value corresponding to the time at which the IGBT 40 starts generating heat, the control unit 30 outputs a control signal to reduce the motor driving current to the IPM 20. The rotation sensor 60 detects the rotational position when the motor rotates in the reverse direction, while the reduction of the motor driving current reduces the driving power of the motor. Based on the detection of the rotational position, the control unit 30 performs switching of the phase of the IGBT 40, and when the normal current supply phase is connected, the motor driving current which drives the motor is increased.
    • 提供一种用于电动车辆的控制装置,其能够减轻电动车辆的重量并防止逆变器电路过热。 当车辆由于失速而停止上坡时,控制单元30开始计数通过相同的IGBT元件提供电流的时间。 当计数值达到与IGBT40开始产生热量的时间对应的值时,控制单元30输出控制信号,以将电机驱动电流减小到IPM 20.旋转传感器60检测电动机 在相反方向旋转,而电动机驱动电流的减小降低了电动机的驱动功率。 基于旋转位置的检测,控制单元30执行IGBT 40的相位切换,并且当连接正常供电相位时,驱动马达的马达驱动电流增加。