Linear Pole-placement Anti-windup Control for Input Saturation Nonlinear System Based on Takagi Sugeno Fuzzy Model

• Published in: International journal of control, automation, and systems pp. 1599 - 1606
• Main Authors: Fa Guang Wang, Hongmei Wang, 박승규, Xue-Song Wang
• Format: Journal Article
• Language: English
• Published: 제어·로봇·시스템학회 01.12.2016
• Subjects: 제어계측공학
• ISSN: 1598-6446; 2005-4092
• DOI: 10.1007/s12555-015-0171-3

An anti-windup controller for multi-input nonlinear system is proposed in this paper. The proposedmethod does not need to calculate every time for every fuzzy rules comparing with traditional linear pole placementof T-S(Takagi-Sugeno) fuzzy. This means fewer LMIs(linear matrix inequality) will be needed and its solutionwill be guaranteed as much as possible. For different saturation limit, different D-stable disk center and radius ofpole placement can be selected to eliminate input saturation effect directly. Nonlinear system will be transferredto T-S fuzzy model first. Then, by employing a series of transition matrix, nonlinear system will be transferredinto a nearly linear format accompanied by a nonlinear part. Finally, by designing a proper controller, linear poleplacement method can be used and the controller gains can be calculated out with LMIs. KCI Citation Count: 4