文档介绍：四川师范大学成都学院本科毕业论文目录前言········································································································· 1 1. 总体设计方案······················································································· 2 (一)方案一: PWM 波调速······································································· 2 (二)方案二:晶闸管调速······································································ 2 2. 单元模块设计······················································································· 3 (一) H桥驱动电路设计方案·····················································&