An algebraic approach to the design of robust limit cycle controllers

被引:0
|
作者
Oliveira, NMF [1 ]
Kienitz, KH [1 ]
Misawa, EA [1 ]
机构
[1] Inst Tecnol Aeronaut, BR-12228900 Sao Jose Dos Campos, SP, Brazil
关键词
limit cycle; describing function; robustness;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The design of robust limit cycle controllers introduced here can be used for autonomous systems with separable single-input-single-output nonlinearities and unavoidable limit cycles. The objective is to design a controller to secure specified oscillation amplitude and frequency. The method consists of quasi-linearization of the nonlinear element via a Describing Function (DF) approach and then shaping the loop to reach desired limit cycle characteristics. As the DF method is used, loop shaping takes place in the Nyquist plot.
引用
收藏
页码:2419 / 2423
页数:5
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