二阶线性逼近系统的参数估算及其工程应用

Parameter Estimation of the Second Order Linear Approximate System and Its Engineering Application

摘要: 一个稳定的高阶线性反馈控制系统，其动特性可以用线性二阶系统来逼近，本文给出了该二阶线性逼近系统参数的一种简便估算方法和它的工程实际应用．

Abstract: When a feedback control system of high order linear time invariant is stable,it can always be approximated by a second order linear system.This paper presents a simple method to determine the parameters of this second order linear approximate system and its engineering application.