本系统设计以MC68S912DG128微控制器为核心，通过多个红外光电传感器检测模型车的运动位置和运动方向，霍尔传感器检测模型车的速度，运用PWM技术调节驱动电机的转速和舵机的方向，同时用PID控制算法，完成对模型车运动速度和运动方向的闭环控制-Designed to MC68S912DG128 the system microcontroller as the core, through a number of infrared photoelectric sensor detection model sports car position and direction of sports, Hall sensor detection model vehicle speed, the use of PWM technology regulator drive motor speed and the steering gear direction, simultaneously with PID control algorithm, the completion of the model sports car sport speed and direction of the closed-loop control