参数可调非线性控制系统的增益裕度和相位裕度

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.299159

M.-K. Chang, C.-H. Chang, K. Han

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引用次数: 14

摘要

提出了一种求非线性控制系统渐近稳定的粒边和相边的方法。分析了可调参数的影响。所考虑的系统首先通过描述函数法线性化，然后通过添加增益相位裕度测试仪进行修正。在此基础上，建立了特性方程并将其分解为稳定性方程，利用参数平面法求出了恒增益裕度和相位裕度的边界。从这些边界可以得到有关可调参数对增益边界和相位边界影响的有用信息。

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Gain margins and phase margins for nonlinear control systems with adjustable parameters

A method for finding the grain margins and phase margins of nonlinear control systems for asymptotic stability is presented. The effects of adjustable parameters are analyzed. The systems considered are first linearized by the describing function method and modified by adding a gain-phase margin tester. Then the characteristic equations are formulated and factored into stability equations, and the parameter-plane method is used to find the boundaries of constant gain margin and phase margin. From these boundaries useful information about the effects of adjustable parameters on gain margins and phase margins can be obtained.<>

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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