Non-fragile multivariable PID controller design via system augmentation

Jinrong Liu, James Lam, Mouquan Shen and Zhan Shu

International Journal of Systems Science, 2017, vol. 48, issue 10, 2168-2181

Abstract: In this paper, the issue of designing non-fragile H∞ multivariable proportional-integral-derivative (PID) controllers with derivative filters is investigated. In order to obtain the controller gains, the original system is associated with an extended system such that the PID controller design can be formulated as a static output-feedback control problem. By taking the system augmentation approach, the conditions with slack matrices for solving the non-fragile H∞ multivariable PID controller gains are established. Based on the results, linear matrix inequality -based iterative algorithms are provided to compute the controller gains. Simulations are conducted to verify the effectiveness of the proposed approaches.

Date: 2017
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DOI: 10.1080/00207721.2017.1306145

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