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Localized adaptive bounds for uncertain MIMO nonlinear system

  • China Aviation Industry Corporation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A robust controller with localized adaptive bounds is proposed for a class of uncertain multiple-input-multiple-output nonlinear systems. Command filtered backstepping (CFBS) is used to design virtual control laws recursively. With spectral radius introduced into the control law, the assumption on nonsingularity of control coefficient matrix estimation is eliminated. Localized modification can overcome the parameter drift of standard σ-modification when states change and tracking errors are small. Adaptive bounding control is employed to compensate inherent approximation errors and external disturbances. It is proved that the proposed method can guarantee the boundedness of all signals in the closed-loop system theoretically. Simulation example demonstrates the effectiveness of the proposed method.

Original languageEnglish
Title of host publication2014 IEEE Chinese Guidance, Navigation and Control Conference, CGNCC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages636-640
Number of pages5
ISBN (Electronic)9781479946990
DOIs
StatePublished - 12 Jan 2015
Externally publishedYes
Event6th IEEE Chinese Guidance, Navigation and Control Conference, CGNCC 2014 - Yantai, China
Duration: 8 Aug 201410 Aug 2014

Publication series

Name2014 IEEE Chinese Guidance, Navigation and Control Conference, CGNCC 2014

Conference

Conference6th IEEE Chinese Guidance, Navigation and Control Conference, CGNCC 2014
Country/TerritoryChina
CityYantai
Period8/08/1410/08/14

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