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    • 4. 发明授权
    • Vehicle control system
    • 车辆控制系统
    • US07257475B2
    • 2007-08-14
    • US10884013
    • 2004-07-02
    • Hisao AsaumiMasaaki KawanoOsamu Tsurumiya
    • Hisao AsaumiMasaaki KawanoOsamu Tsurumiya
    • B62D5/04
    • B62D5/0463B62D5/0484H02J7/0063
    • A vehicle control system is provided for a vehicle that is steered by steer-by-wire, the system including a battery mounted in the vehicle, a steer-by-wire steering system that turns wheels by an electric motor that is operated by electric power supplied from the battery, a steering controller for controlling the operation of the steer-by-wire steering system, and an engine controller for controlling, by electric power supplied from the battery, the operation of an engine for making the vehicle travel. A booster circuit boosts the voltage applied to the steering controller so that, when the voltage of the battery decreases, the voltage applied to the engine controller falls below its minimum operating voltage before the voltage applied to the steering controller falls below its minimum operating voltage. With this arrangement, it is possible to provide fail-safe operation when there is a decrease in the voltage of the battery which supplies electricity to the steering controller.
    • 一种车辆控制系统,用于通过线控转向的车辆,包括安装在车辆中的电池的系统,由电力操作的电动机转动车轮的转向转向系统 从电池供给的转向控制器,用于控制线控转向系统的操作的转向控制器,以及用于通过从电池提供的电力来控制用于使车辆行驶的发动机的操作的发动机控制器。 升压电路提高施加到转向控制器的电压,使得当电池电压降低时,施加到发动机控制器的电压在施加到转向控制器的电压下降到低于其最小工作电压之前降低到其最小工作电压以下。 通过这种布置,当向转向控制器供电时的电池的电压降低时,可以提供故障保护操作。
    • 6. 发明授权
    • Vehicular motor driving apparatus
    • 车用马达驱动装置
    • US5929586A
    • 1999-07-27
    • US123662
    • 1998-07-28
    • Yoshiki NoroYoshinobu MukaiMasaaki Kawano
    • Yoshiki NoroYoshinobu MukaiMasaaki Kawano
    • B62D6/00B62D5/04G05B11/28
    • B62D5/046
    • A vehicular motor driving apparatus includes a control unit 15 for drive-controlling a motor by PWM-drive-controlling a motor driving circuit based on a motor starting signal. The control unit has a drive controller for setting a drive frequency of a PWM-drive control signal to be an integral multiple of or (integer+0.5) times a channel frequency interval of channel frequencies allotted for AM radio broadcasts. As a result, radiation noise associated with harmonics of the PWM-drive control signal, when coincided with the channel frequencies used by AM radio broadcast stations, is removed along with the channel frequencies through radio receiver detection. When the radiation noise does not coincide with the in-use channel frequencies, it is offset by the channel frequency interval therefrom, thereby preventing its reception.
    • 车辆用电动机驱动装置包括:控制单元15,用于通过基于电动机起动信号的PWM驱动控制电动机驱动电路来驱动电动机。 控制单元具有用于将PWM驱动控制信号的驱动频率设置为分配给AM无线电广播的信道频率的信道频率间隔的整数倍或(整数+ 0.5)倍的驱动控制器。 结果,当与AM无线电广播站使用的信道频率一致时,与PWM驱动控制信号的谐波相关的辐射噪声与通过无线电接收机检测的信道频率一起被去除。 当辐射噪声与使用中信道频率不一致时,其被信道频率间隔偏移,从而阻止其接收。