Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy

This paper considers the problem of stabilizing switched time-delay linear systems through a state-dependent switching strategy. In contrast to the existing works, we adopt a less restrictive assumption of the system, and show that this assumption is sufficient to guarantee asymptotic stability of t...

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Main Authors: Tan Hou, Yuanlong Li, Zongli Lin
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Actuators
Subjects:
Online Access:https://www.mdpi.com/2076-0825/10/10/261
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author Tan Hou
Yuanlong Li
Zongli Lin
author_facet Tan Hou
Yuanlong Li
Zongli Lin
author_sort Tan Hou
collection DOAJ
description This paper considers the problem of stabilizing switched time-delay linear systems through a state-dependent switching strategy. In contrast to the existing works, we adopt a less restrictive assumption of the system, and show that this assumption is sufficient to guarantee asymptotic stability of the considered system under the min-projection switching strategy. Our results also imply that the min-projection switching strategy, originally designed for delay-free switched systems, is robust with respect to small state delays. An optimization problem is formulated to estimate the upper bound of the tolerable time delay. Numerical examples are presented to show that our method is applicable to a larger class of switched systems and leads to a greater delay bound.
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spelling doaj.art-aa1957667c204daa96f7ffe8c409c8912023-11-22T17:03:08ZengMDPI AGActuators2076-08252021-10-01101026110.3390/act10100261Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching StrategyTan Hou0Yuanlong Li1Zongli Lin2Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, ChinaDepartment of Automation, Shanghai Jiao Tong University, Shanghai 200240, ChinaCharles L. Brown Department of Electrical and Computer Engineering, University of Virginia, P.O. Box 400743, Charlottesville, VA 22904-4743, USAThis paper considers the problem of stabilizing switched time-delay linear systems through a state-dependent switching strategy. In contrast to the existing works, we adopt a less restrictive assumption of the system, and show that this assumption is sufficient to guarantee asymptotic stability of the considered system under the min-projection switching strategy. Our results also imply that the min-projection switching strategy, originally designed for delay-free switched systems, is robust with respect to small state delays. An optimization problem is formulated to estimate the upper bound of the tolerable time delay. Numerical examples are presented to show that our method is applicable to a larger class of switched systems and leads to a greater delay bound.https://www.mdpi.com/2076-0825/10/10/261asymptotic stabilitydelay boundsliding motionstate-dependent switchingswitched systemtime-varying delay
spellingShingle Tan Hou
Yuanlong Li
Zongli Lin
Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
Actuators
asymptotic stability
delay bound
sliding motion
state-dependent switching
switched system
time-varying delay
title Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
title_full Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
title_fullStr Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
title_full_unstemmed Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
title_short Stabilization of Switched Time-Delay Linear Systems through a State-Dependent Switching Strategy
title_sort stabilization of switched time delay linear systems through a state dependent switching strategy
topic asymptotic stability
delay bound
sliding motion
state-dependent switching
switched system
time-varying delay
url https://www.mdpi.com/2076-0825/10/10/261
work_keys_str_mv AT tanhou stabilizationofswitchedtimedelaylinearsystemsthroughastatedependentswitchingstrategy
AT yuanlongli stabilizationofswitchedtimedelaylinearsystemsthroughastatedependentswitchingstrategy
AT zonglilin stabilizationofswitchedtimedelaylinearsystemsthroughastatedependentswitchingstrategy