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Predefined-time control for a horizontal takeoff and horizontal landing reusable launch vehicle

Liang Zhang (School of Aeronautics and Astronautics, Sun Yat-Sen University, Guangzhou, China)
Liang Jing (School of Astronautics, Harbin Institute of Technology, Shenzhen, China)
Liheng Ye (Beijing Electro-Mechanical Engineering Institute, Beijing, China)
Xing Gao (Science and Technology on Space Physics Laboratory, Beijing, China)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 26 July 2021

Issue publication date: 12 August 2021

193

Abstract

Purpose

This paper aims to investigate the problem of attitude control for a horizontal takeoff and horizontal landing reusable launch vehicle.

Design/methodology/approach

In this paper, a predefined-time attitude tracking controller is presented for a horizontal takeoff and horizontal landing reusable launch vehicle (HTHLRLV). Firstly, the attitude tracking error dynamics model of the HTHLRLV is developed. Subsequently, a novel sliding mode surface is designed with predefined-time stability. Furthermore, by using the proposed sliding mode surface, a predefined-time controller is derived. To compensate the external disturbances or model uncertainties, a fixed-time disturbance observer is developed, and its convergence time can be defined as a prior control parameter. Finally, the stability of the proposed sliding mode surface and the controller can be proved by the Lyapunov theory.

Findings

In contrast to other fixed-time methods, this controller only requires three control parameters, and the convergence time can be predefined instead of being estimated. The simulation results also demonstrate the effectiveness of the proposed controller.

Originality/value

A novel predefined-time attitude tracking controller is developed based on the predefined-time sliding mode surface (SMS) and fixed-time disturbance observer (FxTDO). The convergence time of the system can be selected as a prior control parameter for SMS and FxTDO.

Keywords

Acknowledgements

The authors would like to thank the financial support by the National Natural Science Foundation of China (No. 12002398).

Citation

Zhang, L., Jing, L., Ye, L. and Gao, X. (2021), "Predefined-time control for a horizontal takeoff and horizontal landing reusable launch vehicle", Aircraft Engineering and Aerospace Technology, Vol. 93 No. 6, pp. 957-970. https://doi.org/10.1108/AEAT-11-2020-0253

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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