Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems

This paper addresses the guaranteed cost control problem of a class of uncertain fractional-order (FO) delayed linear systems with norm-bounded time-varying parametric uncertainty. The study is focused on the design of state feedback controllers with delay such that the resulting closed-loop system...

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Main Authors: Fei Qi, Yi Chai, Liping Chen, José A. Tenreiro Machado
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/9/1/41
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author Fei Qi
Yi Chai
Liping Chen
José A. Tenreiro Machado
author_facet Fei Qi
Yi Chai
Liping Chen
José A. Tenreiro Machado
author_sort Fei Qi
collection DOAJ
description This paper addresses the guaranteed cost control problem of a class of uncertain fractional-order (FO) delayed linear systems with norm-bounded time-varying parametric uncertainty. The study is focused on the design of state feedback controllers with delay such that the resulting closed-loop system is asymptotically stable and an adequate level of performance is also guaranteed. Stemming from the linear matrix inequality (LMI) approach and the FO Razumikhin theorem, a delay- and order-dependent design method is proposed with guaranteed closed-loop stability and cost for admissible uncertainties. Examples illustrate the effectiveness of the proposed method.
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spelling doaj.art-b4acc1e2d5644c48925f2f93715fdb802023-11-21T02:42:37ZengMDPI AGMathematics2227-73902020-12-01914110.3390/math9010041Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear SystemsFei Qi0Yi Chai1Liping Chen2José A. Tenreiro Machado3School of Automation, Chongqing University, Chongqing 400044, ChinaSchool of Automation, Chongqing University, Chongqing 400044, ChinaSchool of Electrical Engineering and Automation, Hefei University of Technology, Hefei 230009, ChinaDepartment of Electrical Engineering, Institute of Engineering, Polytechnic of Porto, R. Dr. António Bernardino de Almeida, 431, 4249-015 Porto, PortugalThis paper addresses the guaranteed cost control problem of a class of uncertain fractional-order (FO) delayed linear systems with norm-bounded time-varying parametric uncertainty. The study is focused on the design of state feedback controllers with delay such that the resulting closed-loop system is asymptotically stable and an adequate level of performance is also guaranteed. Stemming from the linear matrix inequality (LMI) approach and the FO Razumikhin theorem, a delay- and order-dependent design method is proposed with guaranteed closed-loop stability and cost for admissible uncertainties. Examples illustrate the effectiveness of the proposed method.https://www.mdpi.com/2227-7390/9/1/41fractional-order systemsguaranteed cost controlinput delayLMI approach
spellingShingle Fei Qi
Yi Chai
Liping Chen
José A. Tenreiro Machado
Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
Mathematics
fractional-order systems
guaranteed cost control
input delay
LMI approach
title Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
title_full Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
title_fullStr Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
title_full_unstemmed Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
title_short Delay-Dependent and Order-Dependent Guaranteed Cost Control for Uncertain Fractional-Order Delayed Linear Systems
title_sort delay dependent and order dependent guaranteed cost control for uncertain fractional order delayed linear systems
topic fractional-order systems
guaranteed cost control
input delay
LMI approach
url https://www.mdpi.com/2227-7390/9/1/41
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AT yichai delaydependentandorderdependentguaranteedcostcontrolforuncertainfractionalorderdelayedlinearsystems
AT lipingchen delaydependentandorderdependentguaranteedcostcontrolforuncertainfractionalorderdelayedlinearsystems
AT joseatenreiromachado delaydependentandorderdependentguaranteedcostcontrolforuncertainfractionalorderdelayedlinearsystems