下载后可任意编辑智能小车课程设计12024 年 4 月 19 日下载后可任意编辑.智能巡线小车的设计（A） [摘要] 本次毕业设计分为四个模块：电源模块、路面检测模块、单片机最小系统 、电机驱动模块。电源模块是采纳 12V 电源双路供电，一路直接供给电机，一路经过稳压电路输出 5V 电源给 LM324、单片机和 L298N。循迹模块是采纳三个单反射式红外传感器 TCRT5000 并排安装，来检测路面情况，输出给单片机 TTL 电平信号。单片机最小系统是满足单片机工作的系统。电机驱动选择的是驱动芯片 L298 直接驱动两个直流减速电机，并采纳 PWM 调节速度，达到两个电极不同速度，从而控制小车的行驶速度。[关键词] 单片机电源 路面检测电机驱动PWM22024 年 4 月 19 日下载后可任意编辑Smart Patrol Line VehicleYangbin（Grade 07,Class 02, Major Technique of Measuring Control and Instrument，Mechanical Engineering Dept.，Shaanxi University of Technology，Hanzhong 723003，Shaanxi）Tutor:Liang yingxuanAbstract：The graduation project is divided into four modules: power supply module, the road detection module, the smallest single chip system, the motor drive module. 12V power supply module is the use of dual power supply, direct supply of the motor all the way, all the way through the 5V output voltage regulator to power the LM324, MCU and L298N. Tracking module is the use of three single-32024 年 4 月 19 日下载后可任意编辑reflection infrared sensor TCRT5000 side by side, to detect the road conditions, the output TTL level signal to the microcontroller. Minimum system MCU is to meet the minimum system work system. Motor driver chips L298 is selected to drive two DC gear motor directly, and use PWM to adjust the speed to achieve two electrodes at different speeds to control car speed.Key words：MCU power supply the road detection Motor driver PWM42024 年 4 月 19 日下载后可任意编辑 目 录1 引言.............................................................
