Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay

Abstract Global sampled‐data stabilization for a class of nonlinear continuous system with input delay has been investigated directly in the discrete‐time domain due to challenges confronted in dealing with infinite‐dimensional system under input delay. Memorized state feedback controllers and outpu...

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Main Authors: Kecai Cao, Chunjiang Qian, Shihua Li, Juping Gu
Format: Article
Language:English
Published: Wiley 2023-06-01
Series:IET Control Theory & Applications
Subjects:
Online Access:https://doi.org/10.1049/cth2.12453
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author Kecai Cao
Chunjiang Qian
Shihua Li
Juping Gu
author_facet Kecai Cao
Chunjiang Qian
Shihua Li
Juping Gu
author_sort Kecai Cao
collection DOAJ
description Abstract Global sampled‐data stabilization for a class of nonlinear continuous system with input delay has been investigated directly in the discrete‐time domain due to challenges confronted in dealing with infinite‐dimensional system under input delay. Memorized state feedback controllers and output feedback controllers based on dynamic extension of state space have been constructed within the framework of co‐design between sampling period and scaling gain. Upon this compensation scheme, global sampled‐data stabilization a class of nonlinear system has been successfully realized no matter the input delay is smaller than the sampling period or not. Compared with memory‐less sampled‐data controllers, not only sampled‐data stabilization under large input delay has been realized but also transient performance of closed‐loop system has been further improved. Simulation results under different input delays and sampling periods have illustrated the effectiveness of results obtained.
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spelling doaj.art-dcc1bc95bdf24f19a88fde5a38ef10f02023-06-01T10:41:58ZengWileyIET Control Theory & Applications1751-86441751-86522023-06-011791242125410.1049/cth2.12453Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delayKecai Cao0Chunjiang Qian1Shihua Li2Juping Gu3School of Automation Nanjing Institute of Technology Nanjing Jiangsu ChinaDepartment of Electrical and Computer Engineering The University of Texas at San Antonio San Antonio Texas USASchool of AutomationSoutheast University NanjingJiangsuChinaSchool of Electrical Engineering Nantong University Nantong Jiangsu ChinaAbstract Global sampled‐data stabilization for a class of nonlinear continuous system with input delay has been investigated directly in the discrete‐time domain due to challenges confronted in dealing with infinite‐dimensional system under input delay. Memorized state feedback controllers and output feedback controllers based on dynamic extension of state space have been constructed within the framework of co‐design between sampling period and scaling gain. Upon this compensation scheme, global sampled‐data stabilization a class of nonlinear system has been successfully realized no matter the input delay is smaller than the sampling period or not. Compared with memory‐less sampled‐data controllers, not only sampled‐data stabilization under large input delay has been realized but also transient performance of closed‐loop system has been further improved. Simulation results under different input delays and sampling periods have illustrated the effectiveness of results obtained.https://doi.org/10.1049/cth2.12453input delaymemorized feedback controllersampled‐data stabilization
spellingShingle Kecai Cao
Chunjiang Qian
Shihua Li
Juping Gu
Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
IET Control Theory & Applications
input delay
memorized feedback controller
sampled‐data stabilization
title Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
title_full Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
title_fullStr Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
title_full_unstemmed Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
title_short Co‐design of memorized controllers for global sampled‐data stabilization a class of nonlinear system with input delay
title_sort co design of memorized controllers for global sampled data stabilization a class of nonlinear system with input delay
topic input delay
memorized feedback controller
sampled‐data stabilization
url https://doi.org/10.1049/cth2.12453
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