交流异步电机的定位控制始终是一个未彻底解决的难题，为此介绍了一种用PLC软件控制电机制动达到准确定位的方法。
The problem of positioning ac motor is very complex. In order to position ac motor exactly, a simple and cheap control method is presented by me ans of PLC.
交流异步电机的定位控制始终是一个未彻底解决的难题，为此介绍了一种用PLC软件控制电机制动达到准确定位的方法。
The problem of positioning ac motor is very complex. In order to position ac motor exactly, a simple and cheap control method is presented by me ans of PLC.
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