蔽障循迹智能小车本科毕设论文.doc

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1、2013年7月12日一、绪论.......................................................................41.1智能小车的作用和意义..................................................................4二、方案设计与论证................................................42.1总体方案设计...................................................................

2、............42.2主控系统........................................................................................52.3传感器选择方案............................................................................62.4电机驱动芯片选择方案..................................................................62.5电机方案选择...............

3、...................................................................62.6电源方案选择..................................................................................7三、主要器件介绍.....................................................73.1STC89C52的介绍................................................................

4、.........73.2L298N的介绍...............................................................................83.2.1L298N的引脚功能...................................................................................93.2.2L298N的运行参数...................................................................................10

5、3.2.3L298N的逻辑控制...................................................................................103.3TCRT5000的介绍........................................................................113.4LM339的介绍................................................................................123.5L7805CV和L7806CV的

6、介绍.........................................................12四、硬件设计...............................................................14314.1主控芯片STC89C52单片机最小系统板电路...........................144.2电机驱动模块电路..........................................................................154.3红外对黑线检测模块电路...........

7、....................................................164.4稳压电源电路...................................................................................18五、程序设计..............................................