目录摘要....................................................................1关键词..................................................................1Abstract................................................................1Keywords................................................................1引言....................................................................21 总体设计方案..........................................................21.1 设计思想及结构框图..................................................21.2 PID 算法及 PWM 调速原理简介..........................................32 硬件设计..............................................................42.1 控制器模块设计......................................................42.2 电机驱动模块设计....................................................52.3 速度采集模块设计....................................................62.4 显示电路模块设计....................................................72.5 键盘电路模块设计....................................................82.6 电源模块设计.......................................................103 软件设计.............................................................103.1 程序流程...........................................................103.1.1 主程序图.........................................................103.1.2 定时程序流程.....................................................123.1.3 键盘程序流程.....................................................123.1.4 显示程序流程.....................................................143.2 PID 算法实现.......................................................164 系统仿真.............................................................165 结论.................................................................17附录...................................................................18参考文献...............................................................25致谢......................................................................
