Journal of Systems Engineering and Electronics ›› 2026, Vol. 37 ›› Issue (4): 1383-1398.doi: 10.23919/JSEE.2026.000149

• CONTROL THEORY AND APPLICATION • Previous Articles    

Terminal sliding mode control for a type of special long-periodic orbit

Youtao Gao1,2(), Yinghui Xin1(), Chaoyong Hu1(), Chenliang Li3,*()   

  1. 1College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
    2Joint Laboratory of Spatial Intelligent Perception and Large Model Application, Nanjing 210016, China
    3College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Received:2025-02-27 Online:2026-08-18 Published:2026-09-03
  • Contact: Chenliang Li E-mail:ytgao@nuaa.edu.cn;ingridinny@163.com;chaoyonghu@nuaa.edu.cn;lcl520@nuaa.edu.cn
  • Supported by:
    This work was supported by the Shanghai Space Science and Technology Innovation Fund (SAST2023-033), Open Project Funds for the Joint Laboratory of Spatial Intelligent Perception and Large Model Application (SIPLHA-2024-YB-01), and the Fundamental Research Funds for the Central Universities (NS2024054).

Abstract:

A communication and navigation constellation which can cover the whole Cislunar space is useful for deep space exploration. In our previous work, we proposed a configuration of navigation constellations arranged in special long-period orbits of Cislunar space. In order to keep the navigation satellites strictly on the accurate nominal orbit, a terminal sliding mode control (TSMC) strategy based on the disturbance observer is proposed. Since the states of navigation satellites cannot be observed directly, a linear extended state observer (LESO) is designed to recover the state as well as estimate solar gravity to assist in spacecraft orbit determination. Then through the TSMC strategy, high-precision control of the spacecraft on special long-period orbits has been achieved. The stability conditions of the observer are deduced, and the stability of the system is proven using Lyapunov stability theory. The simulation results show that during the entire mission cycle of 76 days, the maximum position error is 259.95 m and the minimum is 1.41 m, and the maximum value of the velocity error is 0.08 m/s and the minimum velocity error is 6.15×10−6 m/s. The total velocity increment throughout the entire mission cycle is 30.96 m/s.

Key words: station-keeping control, special long-periodic orbit, linear extended state observer, terminal sliding mode control