Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays

The problem of robust tube-based model predictive control (MPC) is considered for a class of discrete-time constrained linear systems with time-delayed states and additional disturbances. This paper presents an active robust control scheme that can simultaneously cope with disturbances and time-dela...

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Main Authors: Qin Weiwei, Liu Jieyu, Hu Xiaoxiang, He Bing, Liu Gang
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8822698/
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author Qin Weiwei
Liu Jieyu
Hu Xiaoxiang
He Bing
Liu Gang
author_facet Qin Weiwei
Liu Jieyu
Hu Xiaoxiang
He Bing
Liu Gang
author_sort Qin Weiwei
collection DOAJ
description The problem of robust tube-based model predictive control (MPC) is considered for a class of discrete-time constrained linear systems with time-delayed states and additional disturbances. This paper presents an active robust control scheme that can simultaneously cope with disturbances and time-delay states using active approaches, rather than inherent system robustness. The proposed robust controller design methodology is implemented by constructing a minimal robust control-invariant set of nominal linear systems with time-delayed states neglecting additional disturbances. Based on the time-delay-dependent robust MPC approach for the nominal time-delay system, a novel active robust tube-based MPC algorithm considering time-delayed states is proposed. Furthermore, a delay-dependent sufficient condition for the tube-based controller is derived. Based on the implementation of the delay-dependent robust tube-based controller, the novel active control method is much less conservative than previous approaches. Numerical simulation results demonstrate the effectiveness of the proposed method.
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spelling doaj.art-0f4acbf1e3b349adbc63c569ddbdaeb62022-12-22T03:46:19ZengIEEEIEEE Access2169-35362019-01-01712555212556110.1109/ACCESS.2019.29389948822698Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time DelaysQin Weiwei0https://orcid.org/0000-0001-6479-336XLiu Jieyu1Hu Xiaoxiang2https://orcid.org/0000-0001-7047-1949He Bing3Liu Gang4Teaching and Research Department, Xi’an Research Institute of High-Tech, Xi’an, ChinaTeaching and Research Department, Xi’an Research Institute of High-Tech, Xi’an, ChinaCollege of Automation, Northwest Polytechnic University, Xi’an, ChinaTeaching and Research Department, Xi’an Research Institute of High-Tech, Xi’an, ChinaTeaching and Research Department, Xi’an Research Institute of High-Tech, Xi’an, ChinaThe problem of robust tube-based model predictive control (MPC) is considered for a class of discrete-time constrained linear systems with time-delayed states and additional disturbances. This paper presents an active robust control scheme that can simultaneously cope with disturbances and time-delay states using active approaches, rather than inherent system robustness. The proposed robust controller design methodology is implemented by constructing a minimal robust control-invariant set of nominal linear systems with time-delayed states neglecting additional disturbances. Based on the time-delay-dependent robust MPC approach for the nominal time-delay system, a novel active robust tube-based MPC algorithm considering time-delayed states is proposed. Furthermore, a delay-dependent sufficient condition for the tube-based controller is derived. Based on the implementation of the delay-dependent robust tube-based controller, the novel active control method is much less conservative than previous approaches. Numerical simulation results demonstrate the effectiveness of the proposed method.https://ieeexplore.ieee.org/document/8822698/Constrained linear systemstime-delayed statesdelay-dependent feedback controltube-based robust model predictive control
spellingShingle Qin Weiwei
Liu Jieyu
Hu Xiaoxiang
He Bing
Liu Gang
Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
IEEE Access
Constrained linear systems
time-delayed states
delay-dependent feedback control
tube-based robust model predictive control
title Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
title_full Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
title_fullStr Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
title_full_unstemmed Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
title_short Tube-Based Active Robust MPC for Uncertain Constrained Linear Systems With Time Delays
title_sort tube based active robust mpc for uncertain constrained linear systems with time delays
topic Constrained linear systems
time-delayed states
delay-dependent feedback control
tube-based robust model predictive control
url https://ieeexplore.ieee.org/document/8822698/
work_keys_str_mv AT qinweiwei tubebasedactiverobustmpcforuncertainconstrainedlinearsystemswithtimedelays
AT liujieyu tubebasedactiverobustmpcforuncertainconstrainedlinearsystemswithtimedelays
AT huxiaoxiang tubebasedactiverobustmpcforuncertainconstrainedlinearsystemswithtimedelays
AT hebing tubebasedactiverobustmpcforuncertainconstrainedlinearsystemswithtimedelays
AT liugang tubebasedactiverobustmpcforuncertainconstrainedlinearsystemswithtimedelays