论文部分内容阅读
介绍了一种基于单片机控制的汽车自动刹车系统。该系统由超声波探测控制模块、驱动控制和自动刹车等3部分组成。根据超声波测距原理以及温度补偿确定距离,当汽车离前面障碍物达到危险距离时,超声波的报警信号送到主控单元,单片机通过处理接收返回的信号,控制真空电磁阀,带动刹车踏板进行拉线制动,同时切断汽车的供油电路,从而在误踩油门后能及时自动刹车,可大大减少交通事故的发生。
An auto brake system based on single chip microcomputer is introduced. The system consists of ultrasonic detection control module, drive control and automatic brake 3 parts. According to the principle of ultrasonic distance measurement and temperature compensation to determine the distance, when the car from the front of the obstacle to reach a dangerous distance, the ultrasonic alarm signal sent to the master unit, the microcontroller by processing the return signal received, the vacuum solenoid valve control, drive the brake pedal cable Brake, cut off the car’s fuel circuit at the same time, so that in the accidental step on the accelerator can be automatically braked, can greatly reduce the incidence of traffic accidents.