An improved output feedback controller design for linear discrete-time systems using a matrix decomposition method

Goyal Jitendra Kumar; Aggarwal Shubham; Sachan AnkitSahoo Pradosh RanjanGhosh SandipKamal Shyam

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An improved output feedback controller design for linear discrete-time systems using a matrix decomposition method

机译：An improved output feedback controller design for linear discrete-time systems using a matrix decomposition method

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摘要

This paper presents the design of output feedback controllers for discrete-time (DT) linear systems. New sufficient LMI conditions are derived for designing static H-2 and H-infinity controllers using decomposition of an auxiliary matrix. The decomposition facilitates linearization of nonlinear term of reduced size to obtain linear matrix inequality criteria. This leads to less conservative results as shown in the numerical examples. In addition, the proposed static output feedback criteria is also used for designing dynamic output feedback controllers for DT systems. Furthermore, a comparative study is also made for the proposed design method with the results existing in the literature. Finally, a DT static output feedback H-infinity controller is designed for a quarter-car suspension system. Simulation results are provided to show the efficacy of the proposed design method.

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《Asian Journal of Control: Affiliated with ACPA, the Asian Control Professors Association》 |2023年第2期|769-782|共14页
作者
Goyal Jitendra Kumar; Aggarwal Shubham; Sachan AnkitSahoo Pradosh RanjanGhosh SandipKamal Shyam;
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作者单位

Hiroshima Univ;

Indian Inst Technol BHU;

VIT AP Univ;

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原文格式 PDF
正文语种英语
中图分类自动控制理论;
关键词
discrete-time system; dynamic output feedback control; H-2-H-infinity controller; linear matrix inequalities; static output feedback control; SUFFICIENT LMI CONDITIONS; STABILIZATION; STABILITY; DELAY;

An improved output feedback controller design for linear discrete-time systems using a matrix decomposition method

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