直流电机调速控制系统设计专业：测控技术与仪器姓名：学号：201006040103指导老师：日期：2013/12/25目录1前言.............................................................................................................................................31.1直流电机调速系统的研究意义........................................................................................31.2直流电机调速的发展趋势................................................................................................32直流调速系统的硬件设计.........................................................................................................42.1设计方案综述....................................................................................................................42.1.1H桥驱动电路设计方案..........................................................................................62.1.2调速设计方案..........................................................................................................72.2硬件设计............................................................................................................................82.2.1电源电路..................................................................................................................82.2.2H桥驱动电路..........................................................................................................92.2.3基于霍尔传感器的测速模块.................................................................................92.3.4LCD显示模块.......................................................................................................103直流调速系统的软件设计...............................................................................................113.1PWM技术简介..................................................................................................................113.1.1PWM介绍.............................................................................................................113.1.2PWM控制的基本原理.........................................................................................123.1.3PWM调速原理.....................................................................................................133.2调节器设计......................................................................................................................143.2.1电流调节器设计...................................................................................................143.2.2速度调节器的设计...............................................................................................153.2软件设计.........................................................................................................................173.2.1系统总控制流程图及说明...................................................................................173.2.2PWM波软件设计.................................................................................................183.2.2测速软件设计.......................................................................................................195结论...........................................................................................................................................20参考文献..................................................................................................................
