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NH-2风洞主动力微机速压控制系统,是用微机控制大型高精度直流电动机的无级调速系统。系统中应用转速和速压的模拟量双闭环反馈的自动调节及速压监控调节(数字量调节)的特殊调节方法,解决了大延时的速压参数的高精度控制。本文扼要介绍其控制原理及性能。
NH-2 wind tunnel main power microcomputer speed control system is a microcomputer control of large-scale high-precision DC motor stepless speed regulation system. The application of speed and speed analog and digital double closed-loop feedback automatic adjustment and speed monitoring (digital adjustment) special adjustment method to solve the large delay speed pressure parameters of high-precision control. This article briefly describes its control theory and performance.