基于MC51单片机的直流电机PWM调速系统VIP专享VIP免费

目录基于MC51单片机的直流电机PWM调速系统................................................................1摘要....................................................................................................................................1Abstract........................................................................................................................................21前言....................................................................................................................................31.1数字直流调速的意义............................................................................................31.2研究现状综述........................................................................................................31.2.1电气传动的发展现状........................................................................................31.2.2微处理器控制直流电机发展现状....................................................................41.3直流电动机调速概述............................................................................................51.3.1直流电机调速原理............................................................................................51.3.2直流调速系统实现方式....................................................................................62系统总体方案论证............................................................................................................72.1系统方案比较与选择............................................................................................72.2系统方案描述........................................................................................................83硬件电路的模块设计........................................................................................................83.1逻辑延时电路方案论证设计................................................................................83.2驱动电路方案论证设计........................................................................................93.2.1驱动电路方案、参数描述................................................................................93.2.2IR2110驱动电路中IGBT抗干扰设计........................................................113.2.2IR2110功率驱动介绍....................................................................................123.2.2.1IR2100内部结构原理图及管脚说明........................................................123.2.2.2IR2110的自举电路....................................................................................133.2.2.3IGBTH桥驱动电路原理........................................................................143.3隔离电路方案论证设计........................................................................................163.3.1TLP250光耦隔离............................................................................................163.3.2PC817数据采集隔离........................................................................................173.4数据采集、过压反馈保护....................................................................................183.4.1数据采集、过压反馈方案设计........................................................................183.4.2TL431介绍........................................................................................................193.5稳压可调电源设计............