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    • 7. 发明授权
    • Vehicle drive control system
    • 车辆驱动控制系统
    • US08712636B2
    • 2014-04-29
    • US13436997
    • 2012-04-02
    • Yutaka Tamagawa
    • Yutaka Tamagawa
    • G06F7/00
    • B60W20/00B60K6/46B60L15/20B60W10/08B60W30/20B60W2510/081B60W2540/10B60W2710/083Y02T10/6217Y02T10/7258
    • A vehicle drive control system includes a motor, a rotational speed detector, an accelerator opening degree detector, a vehicle speed detector, a torque instruction outputting device, an attenuation filtering device, and a controller. The attenuation filtering device is configured to perform attenuation filtering to a torque instruction to attenuate a natural oscillation frequency component of a torque transmission system of a vehicle and configured to output a filtered torque instruction after the attenuation filtering. The attenuation filtering device is configured to identify an attenuation characteristic of the attenuation filtering if the rotational speed of the motor is smaller than or equal to a predetermined rotational speed and the torque of the motor is higher than or equal to a predetermined torque. The controller is configured to cause the motor to generate a torque corresponding to the filtered torque instruction.
    • 车辆驱动控制系统包括电动机,转速检测器,加速器开度检测器,车速检测器,扭矩指令输出装置,衰减过滤装置和控制器。 衰减滤波装置被配置为对转矩指令执行衰减滤波以衰减车辆的转矩传递系统的固有振荡频率分量,并且被配置为在衰减滤波之后输出滤波的转矩指令。 衰减滤波装置被配置为如果电动机的转速小于或等于预定转速并且电动机的转矩高于或等于预定转矩,则识别衰减滤波的衰减特性。 控制器被配置为使电动机产生与滤波的扭矩指令相对应的转矩。