A set-theoretic model reference adaptive control architecture with dead-zone effect. (August 2019)

• Record Type: Journal Article
• Authors: Arabi, Ehsan; Yucelen, Tansel
• Is Part Of: Control engineering practice. Volume 89(2019)
• Page Start: 12
• Page End: 29
• Publication Date: 2019-08
• Subjects: Uncertain dynamical systems -- Set-theoretic model reference adaptive control -- Dead-zone effect -- User-defined worst-case performance guarantees -- Stability analysis -- Experiments; Automatic control -- Periodicals; 629.89
• DOI: 10.1016/j.conengprac.2019.05.010
• Languages: English
• ISSNs: 0967-0661

Abstract

Abstract: A new set-theoretic model reference adaptive control architecture with dead-zone effect is presented. The key feature of our approach utilizes a new generalized restricted potential function, where it not only provides a user-defined uncertain dynamical system performance but also has the capability to stop the adaptation when system errors are small (i.e., inside dead-zone ) — a practice adopted in adaptive control applications. The stability of the proposed technique is analyzed through showing the boundedness of an energy function in all possible variations and its experimental validation is also given through an aerospace testbed.