{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T06:05:13Z","timestamp":1778738713538,"version":"3.51.4"},"reference-count":38,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2023,5,5]],"date-time":"2023-05-05T00:00:00Z","timestamp":1683244800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Nature Science Foundation of China","doi-asserted-by":"publisher","award":["61973315"],"award-info":[{"award-number":["61973315"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Nature Science Foundation of China","doi-asserted-by":"publisher","award":["61473312"],"award-info":[{"award-number":["61473312"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,6,16]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>In this paper, a class of non-linear systems in normal form is considered, which is composed of internal and external dynamics. An adaptive finite time sliding mode observer is first designed so that the system states, unmatched uncertain parameters and matched uncertainties can all be observed in finite time. Then, the systematic backstepping design procedure is employed to develop a novel output feedback backstepping control (OFBC). The proposed OFBC method can stabilize the considered non-linear systems despite the presence of non-linear internal dynamics and unmatched uncertainties. A Lyapunov method is used to ensure that the closed-loop system is asymptotically stable. Two MATLAB simulation examples are used to demonstrate the method.<\/jats:p>","DOI":"10.1093\/imamci\/dnad014","type":"journal-article","created":{"date-parts":[[2023,5,8]],"date-time":"2023-05-08T18:33:07Z","timestamp":1683570787000},"page":"306-331","source":"Crossref","is-referenced-by-count":4,"title":["Output feedback backstepping control for non-linear systems using an adaptive finite time sliding mode observer"],"prefix":"10.1093","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0793-4060","authenticated-orcid":false,"given":"Jiehua","family":"Feng","sequence":"first","affiliation":[{"name":"College of New Energy, China University of Petroleum (East China) , Qingdao 2665802 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8685-3992","authenticated-orcid":false,"given":"Dongya","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of New Energy, China University of Petroleum (East China) , Qingdao 2665802 , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2217-8398","authenticated-orcid":false,"given":"Xing-Gang","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Engineering & Digital Arts, University of Kent , Canterbury CT2 7NZ3 , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3451-0650","authenticated-orcid":false,"given":"Sarah K","family":"Spurgeon","sequence":"additional","affiliation":[{"name":"Department of Electronic & Electrical Engineering, University College London , London WC1E 7JE , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2023,5,5]]},"reference":[{"key":"2023061613182734400_ref1","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-540-73503-8","volume-title":"nonlinear observers and applications","author":"Besan\u00e7on","year":"2007"},{"key":"2023061613182734400_ref2","doi-asserted-by":"crossref","first-page":"204782","DOI":"10.1109\/ACCESS.2020.3023726","article-title":"Observer-based adaptive finite-time tracking control for a class of switched nonlinear systems with unmodeled dynamics","volume":"8","author":"Chang","year":"2020","journal-title":"IEEE Access"},{"key":"2023061613182734400_ref3","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-319-62464-8","volume-title":"New perspectives and applications of modern control theory","author":"Clempner","year":"2018"},{"key":"2023061613182734400_ref4","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1016\/j.sysconle.2008.10.007","article-title":"Output feedback sliding mode control in the presence of unknown disturbances","volume":"58","author":"Daly","year":"2009","journal-title":"Syst. 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