Optimized indirect adaptive robust control for a class of uncertain nonlinear systems with time‐varying parameters
This paper concerns high‐accuracy tracking control and parameter estimation for semi‐strict feedback systems with unknown time‐varying parameters. The unsmooth and discontinuous parameters and matrix parameters are all taken into consideration. An optimized indirect adaptive controller based on Z ‐s...
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Veröffentlicht in: | International journal of robust and nonlinear control 2023-12, Vol.33 (18), p.11481-11517 |
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container_title | International journal of robust and nonlinear control |
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creator | Chen, Xiao Deng, Wenxiang Yao, Jianyong Ge, Yaowen |
description | This paper concerns high‐accuracy tracking control and parameter estimation for semi‐strict feedback systems with unknown time‐varying parameters. The unsmooth and discontinuous parameters and matrix parameters are all taken into consideration. An optimized indirect adaptive controller based on
Z
‐swapping and improved least‐square algorithm is developed to handle parametric and unmolded uncertainties simultaneously. Each design index of this adaptive law can be adjusted freely according to the order of the magnitude of unknown parameters and state variables so that the coupling of the estimating process can be avoided. The Lyapunov‐based stability analysis illustrates that the proposed method can obtain a prescribed estimating result as well as transient and final tracking performance. Simulations based on two common systems verify the outstanding performance of the proposed method. |
doi_str_mv | 10.1002/rnc.6954 |
format | Article |
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Z
‐swapping and improved least‐square algorithm is developed to handle parametric and unmolded uncertainties simultaneously. Each design index of this adaptive law can be adjusted freely according to the order of the magnitude of unknown parameters and state variables so that the coupling of the estimating process can be avoided. The Lyapunov‐based stability analysis illustrates that the proposed method can obtain a prescribed estimating result as well as transient and final tracking performance. Simulations based on two common systems verify the outstanding performance of the proposed method.</description><identifier>ISSN: 1049-8923</identifier><identifier>EISSN: 1099-1239</identifier><identifier>DOI: 10.1002/rnc.6954</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>Adaptive control ; Algorithms ; Nonlinear systems ; Parameter estimation ; Robust control ; Stability analysis ; Tracking control</subject><ispartof>International journal of robust and nonlinear control, 2023-12, Vol.33 (18), p.11481-11517</ispartof><rights>2023 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c216t-c2a0c0771cbd0d2ebd224a8fe8d1a22b9184a014c9103b03406a5bc264c43dcc3</cites><orcidid>0000-0003-2206-1392 ; 0000-0002-8391-6043</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Chen, Xiao</creatorcontrib><creatorcontrib>Deng, Wenxiang</creatorcontrib><creatorcontrib>Yao, Jianyong</creatorcontrib><creatorcontrib>Ge, Yaowen</creatorcontrib><title>Optimized indirect adaptive robust control for a class of uncertain nonlinear systems with time‐varying parameters</title><title>International journal of robust and nonlinear control</title><description>This paper concerns high‐accuracy tracking control and parameter estimation for semi‐strict feedback systems with unknown time‐varying parameters. The unsmooth and discontinuous parameters and matrix parameters are all taken into consideration. An optimized indirect adaptive controller based on
Z
‐swapping and improved least‐square algorithm is developed to handle parametric and unmolded uncertainties simultaneously. Each design index of this adaptive law can be adjusted freely according to the order of the magnitude of unknown parameters and state variables so that the coupling of the estimating process can be avoided. The Lyapunov‐based stability analysis illustrates that the proposed method can obtain a prescribed estimating result as well as transient and final tracking performance. Simulations based on two common systems verify the outstanding performance of the proposed method.</description><subject>Adaptive control</subject><subject>Algorithms</subject><subject>Nonlinear systems</subject><subject>Parameter estimation</subject><subject>Robust control</subject><subject>Stability analysis</subject><subject>Tracking control</subject><issn>1049-8923</issn><issn>1099-1239</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNotkM9KAzEQxoMoWKvgIwS8eFlNsul2c5TiPyj0oudlNslqym5SJ9lKPfkIPqNPYkq9zAwzH983_Ai55OyGMyZu0eubSs3kEZlwplTBRamO97NURa1EeUrOYlwzlm9CTkhabZIb3Jc11Hnj0OpEwUBebi3F0I4xUR18wtDTLiAFqnuIkYaOjl5bTOA89cH3zltAGncx2SHST5feaTa2v98_W8Cd8290AwiDTRbjOTnpoI_24r9PyevD_cviqViuHp8Xd8tCC16lXIFpNp9z3RpmhG2NEBLqztaGgxCt4rUExqVWnJUtKyWrYNZqUUktS6N1OSVXB98Nho_RxtSsw4g-Rzairud1lamwrLo-qDSGGNF2zQbdkJ9uOGv2TJvMtNkzLf8AhHhtXw</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Chen, Xiao</creator><creator>Deng, Wenxiang</creator><creator>Yao, Jianyong</creator><creator>Ge, Yaowen</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0003-2206-1392</orcidid><orcidid>https://orcid.org/0000-0002-8391-6043</orcidid></search><sort><creationdate>20231201</creationdate><title>Optimized indirect adaptive robust control for a class of uncertain nonlinear systems with time‐varying parameters</title><author>Chen, Xiao ; Deng, Wenxiang ; Yao, Jianyong ; Ge, Yaowen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c216t-c2a0c0771cbd0d2ebd224a8fe8d1a22b9184a014c9103b03406a5bc264c43dcc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Adaptive control</topic><topic>Algorithms</topic><topic>Nonlinear systems</topic><topic>Parameter estimation</topic><topic>Robust control</topic><topic>Stability analysis</topic><topic>Tracking control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Xiao</creatorcontrib><creatorcontrib>Deng, Wenxiang</creatorcontrib><creatorcontrib>Yao, Jianyong</creatorcontrib><creatorcontrib>Ge, Yaowen</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>International journal of robust and nonlinear control</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Xiao</au><au>Deng, Wenxiang</au><au>Yao, Jianyong</au><au>Ge, Yaowen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimized indirect adaptive robust control for a class of uncertain nonlinear systems with time‐varying parameters</atitle><jtitle>International journal of robust and nonlinear control</jtitle><date>2023-12-01</date><risdate>2023</risdate><volume>33</volume><issue>18</issue><spage>11481</spage><epage>11517</epage><pages>11481-11517</pages><issn>1049-8923</issn><eissn>1099-1239</eissn><abstract>This paper concerns high‐accuracy tracking control and parameter estimation for semi‐strict feedback systems with unknown time‐varying parameters. The unsmooth and discontinuous parameters and matrix parameters are all taken into consideration. An optimized indirect adaptive controller based on
Z
‐swapping and improved least‐square algorithm is developed to handle parametric and unmolded uncertainties simultaneously. Each design index of this adaptive law can be adjusted freely according to the order of the magnitude of unknown parameters and state variables so that the coupling of the estimating process can be avoided. The Lyapunov‐based stability analysis illustrates that the proposed method can obtain a prescribed estimating result as well as transient and final tracking performance. Simulations based on two common systems verify the outstanding performance of the proposed method.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/rnc.6954</doi><tpages>37</tpages><orcidid>https://orcid.org/0000-0003-2206-1392</orcidid><orcidid>https://orcid.org/0000-0002-8391-6043</orcidid></addata></record> |
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subjects | Adaptive control Algorithms Nonlinear systems Parameter estimation Robust control Stability analysis Tracking control |
title | Optimized indirect adaptive robust control for a class of uncertain nonlinear systems with time‐varying parameters |
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