| 摘要 |
在被用于自直流马达接受动力供给而行驶的工业车辆中的动力转向装置中，采用包括如下构件的结构，即：旋转感测器，对转向舵的旋转角及角速度进行检测；信号生成装置，基于自该旋转感测器输出的信号而输出PWM信号；直流马达，接收自该信号生成装置输出的PWM信号以驱动转向装置；电源，供给所述PWM信号的电压；以及控制装置，进行如下控制，即，当应对所述直流马达供给的电压的平均值低于规定临限值时，使自所述电源供给的PWM信号的电压下降。; signal generation device, outputting a PWM signal based on a signal outputted from the rotation sensor; a DC motor, receiving the PWM signal outputted from the signal generation device so as to drive a steering device; a power source, providing a voltage for the PWM signal; and control device controlling the voltage provided from the power source for the PWM signal to lower when an average value of the voltage provided to the DC motor is lower than a predetermined threshold value. |
