自动避障小车的单片机PWM 波控制  

Singlechip PWM Wave Control of Automatic Obstacle Avoidance Car

作　　者：邹炳发 张图仁 陈杰 张增财 ZOU Bingfa;ZHANG Turen;CHEN Jie;ZHANG Zengcai(Guangzhou College of South China University of Technology,Guangzhou 510800)

机构地区：[1]华南理工大学广州学院,广州510800

出　　处：《现代制造技术与装备》2020年第11期179-180,共2页Modern Manufacturing Technology and Equipment

摘　　要：小车采用单片机PWM波控制方法,可以实现自动避障功能。自动避障小车采用红外线传感器、舵机、直流减速电机、STC89C52单片机开发板进行设计,通过调整红外传感器的识别距离,配合着脉冲触发舵机运作进行转向。转向装置直流电机的驱动模块采用L298N模块,与单片机结合组成发出PWM信号的直流电动机控制系统,其通过C语言编程实现对电机速度的调节。The trolley adopts the single-chip PWM wave control method,which can realize the automatic obstacle avoidance function.The automatic obstacle avoidance car is designed with infrared sensor,steering gear,DC gear motor,and STC89C52 microcontroller development board,which adjusts the recognition distance of the infrared sensor and cooperates with the pulse to trigger the steering gear to turn.The driving module of the DC motor of the steering device adopts the L298N module,which is combined with the single-chip microcomputer to form a DC motor control system that sends out a PWM signal and realizes the adjustment of the motor speed through C language programming.

关 键 词：自动避障 PWM波 单片机 控制 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置] TP368.1[自动化与计算机技术—控制科学与工程]