对象模型的闭环衰减试验方法
A Model Identification Method Using Damping and Oscillating Experiment in Closed-Loop System
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摘要: 西欧[1]以及美国[2]的许多自动化学者都曾致力于等幅振荡闭环方法的研究.本文提出了 对象模型的闭环衰减试验方法,可以按照任意一条闭环的响应曲线来辨识对象模型.经过模 拟、现场试验,证明本方法是正确的,不仅试验次数少、安全性好、非线性因素小,而且比较接近 生产过程在控制状态下的特性.Abstract: A new method for model identification based on experiments performed in closed-loop system is proposed in this paper. The orders and parameters of the model are easily determined by the damping and oscillating curves. Having distinguished merits in regard to safety and simplicity, this method would be widely used in industrial process experiment. Principles of model testing and results obtained by simulation are given.
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