黄冈师范学院本科生毕业论文题目：单片机控制的无刷直流电机驱动系统设计专业年级：电子信息科学与技术（2005级）学号：200522340219学生姓名：李青指导教师：雷学堂论文完成日期2009年05月目录摘要..............................................................................................................................................1ABSTRACT......................................................................................................................................21.概论........................................................................................................................................31.1无刷直流电机的现状.................................................................................................................31.2电动自行车介绍及发展前景.....................................................................................................41.3本设计的主要工作.....................................................................................................................62.无刷电机控制系统分析...........................................................................................................62.1三相无刷直流电机星形连接全桥驱动原理.............................................................................62.2直流电动机的PWM调速原理.....................................................................................................93.无刷直流电机控制器硬件设计................................................................................................93.1硬件组成...................................................................................................................................103.2三相全桥逆变电路和驱动电路...............................................................................................103.3速度控制电路...........................................................................................................................143.4其他...........................................................................................................................................144.系统软件设计........................................................................................................................154.1概述...........................................................................................................................................154.2主程序.......................................................................................................................................164.3中断...........................................................................................................................................204.4AD转换......................................................................................................................................214.5PWM(脉冲宽度调制).................................................................................................................234.6位置信号和驱动信号的对应关系...........................................................................................234.7数字PI速度调节.....................................................................................................................245.系统调制与实验结论.............................................................................................................275.1系统硬...
