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- Title
Fixed‐time adaptive tracking control for MIMO nonlinear system with input delay saturation based on echo state network.
- Authors
Lun, Shuxian; Wu, Meixia; Lu, Xiaodong; Li, Ming
- Abstract
The paper expounds the question of echo state network‐based fixed‐time adaptive tracking control for a type of multi‐input multi‐output nonlinear strict‐feedback system with input delayed saturation. Based on the feature that echo state network can obtain better estimation performance at lower computational cost, it is utilized to approximate the unknown nonlinear function in the controller design course. By constructing an auxiliary system, a time‐delay system with input saturation is eliminated. Moreover, command filtering techniques can be applied to avoid the "complexity explosion" problem in the backstepping method. Then, the closed‐loop system is attested to be semi‐global practical fixed‐time stable. In the end, a simulation shows the valid scheme.
- Subjects
ECHO; ADAPTIVE control systems; NONLINEAR systems; MIMO systems; BACKSTEPPING control method; CLOSED loop systems; NONLINEAR functions
- Publication
IET Control Theory & Applications (Wiley-Blackwell), 2024, Vol 18, Issue 3, p374
- ISSN
1751-8644
- Publication type
Article
- DOI
10.1049/cth2.12559