Optimal Fixed-Time Sliding Mode Control for Spacecraft Constrained Reorientation

• 成果类型: Article
• 署名作者: Li, Bin; Guan, Tao; Guan, Xiaoyi; Zhang, Kai; Yiu, Ka-Fai Cedric
• 署名单位: Sichuan University; Hong Kong Polytechnic University
• 刊物名称: IEEE TRANSACTIONS ON AUTOMATIC CONTROL
• ISSN/ISSBN: 0018-9286
• DOI: 10.1109/TAC.2023.3341975
• 发表日期: 2024
• 页码: 2676-2683
• 关键词: Space vehicles; Attitude control; streams; CONVERGENCE; Antennas; trajectory; Sliding mode control; fixed-time convergence; multiple equilibriums; Potential function; sliding mode control (SMC); spacecraft attitude reorientation

摘要

A sliding mode controller is proposed for the attitude control of spacecraft reorientation with attitude constraints. By introducing a potential function, a novel sliding function is designed. With the structure of the proposed sliding function, uniqueness of the equilibrium and fixed-time convergence are rigorously proven. Another advantage of the proposed controller is that the feasibility of attitude constraints can be proven not only on the sliding surface but also outside it. Moreover, the singularity issue of the proposed controller is resolved. Effectiveness of the proposed method is demonstrated by carrying out two numerical simulation.