文档介绍：PWM变频调速多电机同步传动系统控制系统
摘要:
本设计给出了一种用PWM变频调速控制系统,用来控制多台普通三相交流异步电机。该控制系统用8031单片机最小系统,以及HEF4752大规模继承芯片来实现,产生的控制信号用来控制逆变元件的开关,从而产生可以调整的PWM信号来控制交流电机,完成对多台电机实现同步传动的控制,它既可以统一控制,又能微调各个电机。该系统具有工作可靠,调节范围宽,控制精度高,同步效果好的特点,本文给出了它的硬件组成电路以及控制程序的流程软件设计。
关键词: PWM 变频调速控制多台电机
Multi-motor synchronous PWM inverter driving system control system
Abstract: This introduced a PWM frequency control system which can be used to regular the speed of some electrical electromotor. This system used MCS-51 SCM and HEF4752 PWM chip which can make control signal to control the system. And the PWM signal produced by them can control whether the switch is open or close in this way, the PWM signal feed to the electromotor can be produced .Moreover the signal can be controlled. The system can control both single electromotor or several electromotor. The strongpoint of the system is that: reliable, wide control, high-precision. This article gives position of its hardware and circuit design software flow control procedures.
Key Word: PWM Frequency conversion modulates velocity The multi-motor synchronization
目录
第一章内容概要············································································1
第一节变频调速的基本知识···························································4
PWM原理·······································································5
PWM变频调速主电路·······················································6
1 变频器的分类·····························&#