Fixed-time attitude control of reusable launch vehicles utilizing reliability-based control allocation

被引：2

作者：

Meng, Yan ^{[1
]}

Yu, Xiang ^{[1
]}

Zhu, Yukai ^{[2
]}

Qiao, Jianzhong ^{[1
]}

机构：

[1] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China

[2] Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China

来源：

CONTROL ENGINEERING PRACTICE | 2024年 / 151卷

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

Reusable launch vehicles; Fixed-time attitude control; Reliability analysis; Reliability-based control allocation; FAULT-TOLERANT CONTROL; RIGID SPACECRAFT; TRACKING CONTROL; DESIGN; OBSERVER; SYSTEMS;

D O I：

10.1016/j.conengprac.2024.106013

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Reusable launch vehicles (RLVs) offer advantages such as low cost and high efficiency, yet they still face challenges related to real-time precise control and reliability enhancement. To address these issues, this paper presents a fixed-time attitude control method designed for RLVs, incorporating a reliability-based control allocation scheme. Initially, a fixed-time radial basis function neural network (RBFNN) disturbance observer is introduced to estimate disturbances rapidly and accurately. Subsequently, a control method integrating non-singular terminal sliding mode control (NTSMC) with a saturation compensator is proposed to achieve real-time and precise angle tracking. Furthermore, a reliability-based control allocation scheme is employed to enhance the reliability of the attitude control system. Finally, simulation analysis is conducted to validate the effectiveness of the proposed control scheme.

引用

页数：14

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