摘 要:本设计主要由STC89C52单片机来进行控制，通过输入输出两个端口控制驱动模块来调节电机的工作状态。本设计预利用机器视觉，通过识别条带状路标实现自主导航且利用超声波模块实时检测距离以实现避障功能，利用光电传感器模块自动循迹以实现循迹功能，通过液晶屏显示小车与障碍物之间的距离。本设计以STC89C52单片机，光电传感器，超声波模块和L298N驱动模块为控制核心，采用STC89C52单片机扫描光电传感器，并把所采集到的信息进行处理，从而得到行进方向和行进速度的指令。然后根据导航系统的算法规则驱动直流电机和控制舵机的转向，实现智能车的循迹与避障。
关键词:51单片机；L298N驱动；超声波；光电传感；数码管
Design of Intelligent Vehicle Tracking and Obstacle Avoidance Movement Control System
Abstract:The design mainly controlled by the SCM ofSTC89C52which is used to adjust the drive motor working condition by two input and output port control modules.The design makes use of machine vision,and achieve autonomous navigation and the use of ultrasonic and photoelectric sensor module from the real-time detection strip by identifying strip signposted, finally achieve the functions of automatic tracking and obstacle avoidance.The physical data were measured through digital displays.The design is at the core of the SCM 51,photoelectric sensors,ultrasonic modules and L298N driver module for the control,using 51 single to scan optical sensor,and the information collected to be processed,resulting in getting the command of the traveling direction and traveling speed.Then intelligent vehicle tracking and obstacle avoidance can be achieved by driving DC motors and servo steering control algorithm which according to the rules of navigation systems.
Key Words:SCM51;L298N drive;Ultrasonic;Photoelectric sensor;Digital Tube
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