微机控制在异步电动机定位系统中的实现

Realization of microcomputer control in positioning system of asynchronous motors

异步电动机定位控制技术的研究是一个新的研究方向。为此 ,提出一种将神经网络控制引入该系统的新型控制方法。该方法利用微机实现 ,提高了控制精度。详细地说明了异步电动机定位系统中上位机与PLC(可编程序控制器 )之间通信问题的解决以及神经网络控制算法的实现。实验结果表明该系统达到了较好的定位精度 (θ≤ 0 .72°)。

The research on the positioning control technique of asynchronous motors is a new research direction. Therefore a new method combined with neural network control is proposed. The method is realized by using the microcomputer, which can improve precision . The realization of communication between the microcomputer and PLC(Programmable Logical Controller) as well as the neural network control algorithm in this system is emphasized. The result of the experiment indicates that a higher positioning precision is obtained( θ ≤0.72°).