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Decentralised adaptive prescribed performance finite-time tracking control for a class of nonlinear interconnected systems with unknown control directions.
- Source :
-
International Journal of Control . Apr2022, Vol. 95 Issue 4, p1086-1105. 20p. - Publication Year :
- 2022
-
Abstract
- In this paper, the decentralized adaptive prescribed performance finite-time tracking control problem is investigated for a class of interconnected non-affine nonlinear systems with unmodeled dynamics, unknown control direction and unknown dead zone. A novel tracking control strategy combining Nussbaum-gain technique with finite-time control is presented. The designed controller can guarantee that tracking error of each subsystem is constrained by finite-time performance function and converges to the given neighborhood of the equilibrium point within a given arbitrarily settling time. Meanwhile, all the signals in the closed-loop interconnected system are bounded. In addition, the problem that the prescribed performance control method is difficult to realize decentralized control is solved by means of a special mathematical transformation. Specifically, the settling time is a design parameter which is independent of the system initial states in this method. The simulation results are presented to demonstrate the feasibility and superiority of the proposed control method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00207179
- Volume :
- 95
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- International Journal of Control
- Publication Type :
- Academic Journal
- Accession number :
- 156029030
- Full Text :
- https://doi.org/10.1080/00207179.2020.1841298