Robust fuzzy control of a magnetic bearing system subject to harmonic disturbances

被引：95

作者：

Hong, SK ^{[1
]}

Langari, R

机构：

[1] Agcy Def Dev, Aircraft Dev Div, Taejon 305600, South Korea

[2] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA

来源：

IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2000年 / 8卷 / 02期

关键词：

fuzzy control; harmonic disturbance; magnetic bearing; robustness; rotating machine;

D O I：

10.1109/87.826808

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a robust fuzzy logic-based control scheme for a rotating active magnetic bearing (AMB) system. We represent the nonlinear magnetic bearing by means of a Takagi-Sugeno-Kang (TSK) fuzzy model. Subsequently a systematic synthesis procedure is used to derive a nonlinear fuzzy logic control strategy that overcomes the inherent characteristics of displacement sensitivity and position-dependent nonlinearity of AMB. Experimentation and simulation results demonstrate that the proposed fuzzy controller yields robustness against harmonic disturbances and parameter uncertainties.

引用

页码：366 / 371

页数：6

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