pwm控制与实现.doc

文档介绍：------------------------------------------------------------------------------------------------ —————————————————————————————————————— PWM 控制与实现目录第一章设计任务................................................................................................................ ............. 1 第二章单闭环直流调速系统简介....................................................................................... .......... 2 . 控制要求................................................................................................................ ........... 2 直流电动机的调速方案................................................................................... ................. 2 开环系统机械特性和闭环系统静特性............................................................................ 3 第二章可逆 PWM 变换器............................................................................................................. 6 PWM 控制技术的基本原理.............................................................................................. 6 可逆变换器主电路的结构形式......................................................................................... 6 ------------------------------------------------------------------------------------------------ ——————————————————————————————————————第四章控制器的设计........... ..................................................................................................... ... 10 PI 调节器的设计.............................................................................................................. 10 第五章动态模型和稳定性分析................................................................................................... 12 反馈控制闭环直流调速系统的动态模型建立............................................................... 12 第六章仿真............................................ .................................................................... ................... 18 设计总结.................................................................................................................. ....................... 22 参考文献....... ...