Adaptive Finite-Time Tracking Control of Nonlinear Systems With Dynamics Uncertainties

• 成果类型: Article
• 署名作者: Wang, Huanqing; Xu, Ke; Zhang, Huaguang
• 署名单位: Bohai University; Beijing Jiaotong University; Northeastern University - China
• 刊物名称: IEEE TRANSACTIONS ON AUTOMATIC CONTROL
• ISSN/ISSBN: 0018-9286
• DOI: 10.1109/TAC.2022.3226703
• 发表日期: 2023
• 页码: 5737-5744
• 关键词: adaptive control; backstepping technique; dynamics uncertainties; finite-time control; tuning functions

摘要

In this article, the problem of adaptive backstepping finite-time tracking control is investigated for a class of strict-feedback nonlinear systems with unmodeled dynamics and dynamic disturbances. A modified finite-time dynamic signal is first introduced to dominate the dynamic disturbance. By using the adaptive control, backstepping technique, and finite-time stability theory, an adaptive finite-time tracking controller is developed. Under the proposed control scheme, the finite-time tracking performance and the boundedness property of all signals in the closed-loop system are ensured. Finally, simulation results check the effectiveness of the suggested approach.