Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization

This paper discusses the problem of designing smooth switching control based on the coprime factorization method. Aiming at the instantaneous chattering phenomenon generated by the linear parameter varying (LPV) controller during the switching moment, the moving region of the gain-scheduling variabl...

Full description

Bibliographic Details
Main Authors: Weilin Wu, Wei Xie, Toshio Eisaka, Liejun Li
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9507476/
id doaj-324191a588de4d8286b0828d8e6d942f
record_format Article
spelling doaj-324191a588de4d8286b0828d8e6d942f2021-09-20T23:00:17ZengIEEEIEEE Access2169-35362021-01-01911786011786710.1109/ACCESS.2021.31027339507476Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance RealizationWeilin Wu0Wei Xie1https://orcid.org/0000-0002-7840-5652Toshio Eisaka2Liejun Li3College of Electronic Information, Guangxi University for Nationalities, Nanning, ChinaSchool of Automation Science and Engineering, South China University of Technology, Guangzhou, ChinaDivision of Information and Communication Engineering, Kitami Institute of Technology, Kitami, JapanSchool of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, ChinaThis paper discusses the problem of designing smooth switching control based on the coprime factorization method. Aiming at the instantaneous chattering phenomenon generated by the linear parameter varying (LPV) controller during the switching moment, the moving region of the gain-scheduling variables is divided into a specified number of local subregions with overlapped region. Riccati inequality is used to solve the central controller for <inline-formula> <tex-math notation="LaTeX">$H_{\infty} $ </tex-math></inline-formula> performance. The Youla free parameters are designed using the coprime factorization for each parameter sub-region by considering the system&#x2019;s global and local performance requirements. Youla free parameter switching is used to improve the smoothness of switching and suppress transient response disturbance. Finally, the effectiveness of the method is verified by a simulation example.https://ieeexplore.ieee.org/document/9507476/Smooth switch controllinear parameter varying<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">H∞</italic> performance realizationcoprime factorization
collection DOAJ
language English
format Article
sources DOAJ
author Weilin Wu
Wei Xie
Toshio Eisaka
Liejun Li
spellingShingle Weilin Wu
Wei Xie
Toshio Eisaka
Liejun Li
Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
IEEE Access
Smooth switch control
linear parameter varying
<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">H∞</italic> performance realization
coprime factorization
author_facet Weilin Wu
Wei Xie
Toshio Eisaka
Liejun Li
author_sort Weilin Wu
title Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
title_short Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
title_full Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
title_fullStr Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
title_full_unstemmed Design of Smooth Switching LPV Controller Based on Coprime Factorization and <italic>H&#x221E;</italic> Performance Realization
title_sort design of smooth switching lpv controller based on coprime factorization and <italic>h&#x221e;</italic> performance realization
publisher IEEE
series IEEE Access
issn 2169-3536
publishDate 2021-01-01
description This paper discusses the problem of designing smooth switching control based on the coprime factorization method. Aiming at the instantaneous chattering phenomenon generated by the linear parameter varying (LPV) controller during the switching moment, the moving region of the gain-scheduling variables is divided into a specified number of local subregions with overlapped region. Riccati inequality is used to solve the central controller for <inline-formula> <tex-math notation="LaTeX">$H_{\infty} $ </tex-math></inline-formula> performance. The Youla free parameters are designed using the coprime factorization for each parameter sub-region by considering the system&#x2019;s global and local performance requirements. Youla free parameter switching is used to improve the smoothness of switching and suppress transient response disturbance. Finally, the effectiveness of the method is verified by a simulation example.
topic Smooth switch control
linear parameter varying
<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">H∞</italic> performance realization
coprime factorization
url https://ieeexplore.ieee.org/document/9507476/
work_keys_str_mv AT weilinwu designofsmoothswitchinglpvcontrollerbasedoncoprimefactorizationanditalichx221eitalicperformancerealization
AT weixie designofsmoothswitchinglpvcontrollerbasedoncoprimefactorizationanditalichx221eitalicperformancerealization
AT toshioeisaka designofsmoothswitchinglpvcontrollerbasedoncoprimefactorizationanditalichx221eitalicperformancerealization
AT liejunli designofsmoothswitchinglpvcontrollerbasedoncoprimefactorizationanditalichx221eitalicperformancerealization
_version_ 1717373875539410944