蓝牙小车毕业论文

北京电子科技职业学院汽车工程学院毕业论文

北京电子科技职业学院

毕业设计论文

论文题目：多功能遥控小车

蓝牙智能遥控小车

系部汽车制造技术系 专业机电一体化 班级10机电5（4） 学生姓名程飞 学号2013410533 指导教师李金义

2014年12月1日

北京电子科技职业学院汽车工程学院毕业论文

摘要

无线遥控的机器人小车在危险环境作业、人员搜集等应用中可发挥特殊的作用。本次毕业设计选择基于蓝牙遥控的多功能智能小车为对象。设计了该系统的硬件电路原理图和PCB图，控制系统以STC12C5A60S2单片机为主控芯片，采用L293D为电机驱动芯片、蓝牙无线遥控模块、红外光电传感器模块、超声波发射与接收模块等构成外围扩展电路。将自制的控制电路、控制程序和四轮小车机械结构相结合，制作多功能机器人小车。实验调试实现了智能小车的蓝牙无线遥控、自动避障、自动循迹等功能。

关键词:单片机 ；蓝牙遥控 ；PWM调速；光电传感器

北京电子科技职业学院汽车工程学院毕业论文

Abstract

the robot wireless remote control can play a special role in the dangerous environment of operation, personnel collection application. The graduation design,selection of multifunctional intelligent vehicle based on Bluetooth remote control as the object. The design of hardware circuit principle diagram and PCB diagram of the system, a control system based on STC12C5A60S2 MCU as the main control chip,using L293D as the motor drive chip, Bluetooth wireless remote control module, the infrared photoelectric sensor module, ultrasonic transmitter and receiver modules etc. the peripheral expansion circuit. Combining the control circuit, the control program and made four wheel mechanical structure, fabrication of multifunctional robot. The experimental debugging Bluetooth wireless remote control, smart car automaticobstacle avoidance, automatic tracking and other functions.

北京电子科技职业学院汽车工程学院毕业论文

目录

毕业设计论文 ................................................. 3

2.1总体方案设计 ............................................................................................................................................. 4 2.2无线模块设计 ............................................................................................................................................. 5 2.3显示模块设计 ............................................................................................................................................. 6 2.4测速模块设计 ............................................................................................................................................. 7 2.5调速模块设计 .............................................................................................................................................. 9 2.6循迹模块设计 ........................................................................................................................................... 10 2.7避障模块设计 ........................................................................................................................................... 11 3、 智能车机结构分析 ................................................................................................................................... 11 3.1底板设计 ................................................................................................................................................... 12 3.2 电机与底板的连接支架设计 ................................................................................................................... 13 3.3整体装配图 ............................................................................................................................................... 14

4、 控制系统电路设计 .......................................... 15

4.1 MCU的选型 ................................................................................................................................................ 15 4.2 电机驱动电路设计 ................................................................................................................................... 17 4.3 显示电路设计 ......................................................................................................................................... 20 4.4 蓝牙模块设计 ......................................................................................................................................... 22 4.5 电源电路设计 ......................................................................................................................................... 24 4.6 PCB图设计 .............................................................................................................................................. 25

5、 蓝牙遥控小车程序设计 ...................................... 27

5.1主程序设计 ............................................................................................................................................... 28 5.2电脑端蓝牙控制软件的设置 .................................................................................................................... 29 5.3蓝牙模块参数设置 ................................................................................................................................... 31 5.6红外循迹程序设计 ................................................................................................................................... 32

6、 调试结果分析 .............................................. 33