New Class K∞ Function-Based Adaptive Sliding Mode Control

• 成果类型: Article
• 署名作者: Song, Jiawei; Zuo, Zongyu; Basin, Michael
• 署名单位: Beihang University; Universidad Autonoma de Nuevo Leon
• 刊物名称: IEEE TRANSACTIONS ON AUTOMATIC CONTROL
• ISSN/ISSBN: 0018-9286
• DOI: 10.1109/TAC.2023.3247465
• 发表日期: 2023
• 页码: 7840-7847
• 关键词: adaptive control; Barrier function; class K-infinity function; sliding mode

摘要

To reduce the chattering and overestimation phenomena existing in classical adaptive sliding mode control, this article presents a new class K(infinity )function-based adaptive sliding mode control scheme. Two controllers are proposed in terms of concave and convex nonlinear functions to implement this kind of control structure. To avoid large initial control magnitudes, two modified control schemes are provided, which extend the proposed methodology to different scenarios. It is proven that the proposed controllers yield finite-time convergence to a real sliding mode. Finally, simulations and discussions are presented to show the advantages and effectiveness of the proposed control structure.