基于PLC控制的调压调速电梯拖动系统设计 关键词：PLC；调压调速系统；理想运行曲线；信号比较 [gap=1518]Keywords : PLC, Surge governing system, Operation ideal curve, The signals compiring
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介绍了交流调压调速系统在CP M型关节锻炼器中的应用。
This paper recommends the application of the AC voltage - to-speed regulating system for the CPM - type joint - exercise device.
本装置的性能优于交流调压调速系统，是一种简单而可靠的交流绕线式电动机转速控制系统。
Being a simple and reliable speed control system for AC inductive motors, the device features better performance than AC variable voltage speed control system does.
以电流给定，脉宽调制(PWM)调压调速系统为例，研究各种制动状态下的能量回馈过程。
Based on given electric current and Pulse Width Modulation (PWM) controlling system, the feedback process under each braking condition is studied.
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