Gain-scheduled H2 non-minimal order filtering design for linear parameter-varying discrete-time systems

被引：0
|
作者：
Frezzatto, Luciano [1 ]
de Oliveira, Mauricio C. [2 ]
Oliveira, Ricardo C. L. F. [1 ]
Peres, Pedro L. D. [1 ]
机构：
[1] Univ Campinas UNICAMP, Sch Elect & Comp Engn, BR-13083852 Campinas, SP, Brazil
[2] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA
来源：
IFAC PAPERSONLINE | 2017年 / 50卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
Linear Parameter-Varying Systems; Filtering; Gain-Scheduled Filter Design; Linear Matrix Inequalities; H-2; norm; INFINITY CONTROL;
D O I：
10.1016/j.ifacol.2017.08.1798
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 addresses the problem of gain-scheduled filter design with guaranteed H-2 performance for linear parameter-varying discrete-time systems with arbitrarily fast time-varying parameters. The filters to be designed have order greater than the order of the system being filtered. The design procedure is formulated in terms of Linear Matrix Inequalities. As is well known, gain-scheduled filters can provide superior performance for linear parameter-varying systems when compared with robust filters. The proposed non-minimal order, H-2 gain-scheduled filtering strategy can further improve the results by enlarging the structure of the filter. Examples illustrate the results, showing that larger order filters can have improved performance, providing lower guaranteed H-2 costs when compared with other approaches based on full order filtering from the literature. (C) 2017, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：11391 / 11396
页数：6
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