Adaptive attitude tracking control for reusable launch vehicle with actuator and sensor faults

IF 5 1区工程技术 Q1 ENGINEERING, AEROSPACE

Aerospace Science and Technology Pub Date : 2025-04-17 DOI:10.1016/j.ast.2025.110226

Wenting Li, Jinsong Zhao, Chen Sun, Shanwei Su, Yan Lin

引用次数: 0

Abstract

This paper investigates an adaptive fault-tolerant control (FTC) for a reusable launch vehicle (RLV) during its reentry phase. Four grid fins are used as system actuators and to avoid feedback errors, sensor redundancy is employed. A novel sensor fusion function for each state variable is constructed, which is differentiable and consists of weighting functions of the redundant sensors. The weighting functions can reflect whether the sensors are normal and in particular, for a faulty sensor, the value of its weighting function can automatically decrease. Consequently, the impact of the fault can be eliminated. By incorporating the sensor fusion functions into the dynamics model of the RLV, an adaptive controller is proposed, which can not only withstand stuck and any finite number of partial loss of effectiveness (PLOE) of actuators but also guarantee the tracking performance. Simulation results are presented to illustrate the effectiveness of the proposed scheme.

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可重复使用运载火箭执行器和传感器故障的自适应姿态跟踪控制

研究了可重复使用运载火箭（RLV）再入阶段的自适应容错控制（FTC）。采用四个栅格鳍作为系统致动器，并利用传感器冗余来避免反馈误差。构造了一种新的状态变量传感器融合函数，该函数是可微的，由冗余传感器的权重函数组成。权重函数可以反映传感器是否正常，特别是对于故障传感器，其权重函数的值会自动减小。因此，可以消除故障的影响。通过将传感器融合函数引入RLV动力学模型，提出了一种既能承受卡滞和任意有限数量的执行器部分有效性损失（PLOE），又能保证跟踪性能的自适应控制器。仿真结果验证了所提方案的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aerospace Science and Technology 工程技术-工程：宇航

CiteScore

10.30

自引率

28.60%

发文量

654

审稿时长

54 days

期刊介绍： Aerospace Science and Technology publishes articles of outstanding scientific quality. Each article is reviewed by two referees. The journal welcomes papers from a wide range of countries. This journal publishes original papers, review articles and short communications related to all fields of aerospace research, fundamental and applied, potential applications of which are clearly related to: • The design and the manufacture of aircraft, helicopters, missiles, launchers and satellites • The control of their environment • The study of various systems they are involved in, as supports or as targets. Authors are invited to submit papers on new advances in the following topics to aerospace applications: • Fluid dynamics • Energetics and propulsion • Materials and structures • Flight mechanics • Navigation, guidance and control • Acoustics • Optics • Electromagnetism and radar • Signal and image processing • Information processing • Data fusion • Decision aid • Human behaviour • Robotics and intelligent systems • Complex system engineering. Etc.