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    • 68. 发明授权
    • Electric power steering system
    • 电动助力转向系统
    • US5078225A
    • 1992-01-07
    • US689109
    • 1991-04-24
    • Hiroshi OhmuraTakashi Nakashima
    • Hiroshi OhmuraTakashi Nakashima
    • B62D5/04
    • B62D5/0469
    • A system having a motor operatively connected to a steering system for reducing the steering effect is provided with a steering torque sensor for detecting steering torque in the steering system during a steering operation, an alternator output level sensor for detecting the output level of an engine driven alternator, and an ignition key switch sensor. In response to the output signal of the steering torque sensor, an assist signal is provided. In response to the output level of the alternator output level sensor and the position of the ignition key switch, an engine stall condition is detected. When engine stall occurs, the output torque of the motor is controlled in response to the assist signal for a predetermined period.
    • 具有可操作地连接到用于减小转向效果的转向系统的电动机的系统设置有用于在转向操作期间检测转向系统中的转向转矩的转向转矩传感器,用于检测发动机驱动的输出水平的交流发电机输出电平传感器 交流发电机和点火钥匙开关传感器。 响应于转向转矩传感器的输出信号,提供辅助信号。 响应于交流发电机输出电平传感器的输出电平和点火开关的位置,检测到发动机失速状态。 当发动机失速时,响应于辅助信号控制电动机的输出转矩一段预定的时间。