首页|Compensated acceleration feedback based active disturbance rejection control for launch vehicles

Compensated acceleration feedback based active disturbance rejection control for launch vehicles

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In this paper,the attitude tracking and load relief control problems against wind distur-bances and uncertain aerodynamics as well as the engine thrust of launch vehicles are studied.Firstly,a framework of Compensated Acceleration Feedback based Active Disturbance Rejection Control(CAF-ADRC)is established to achieve both desired attitude tracking and load relief per-formances.In particular,the total disturbance that includes the effects caused by both aero-coefficient perturbations and disturbances is estimated by constructing an Extended State Observer(ESO)to achieve attitude tracking.Furthermore,combined with the normal acceleration due to the engine thrust,the accelerometer measurement is also compensated to enhance the load relief effect.Secondly,the quantitative analysis of ESO and the entire closed-loop system are studied.It can be concluded that the desired attitude tracking and load relief performances can be achieved simulta-neously under the proposed approach.Besides,tuning laws of the proposed approach are system-atically given,which are divided into ESO,Proportional Derivative(PD)and Compensated Acceleration Feedback(CAF)modules.Moreover,the performances under CAF-ADRC approach can be better than those under CAF based PD(CAF-PD)approach by tuning load relief gain.Finally,the approach presented is applied to a typical control problem of launch vehicles with wind disturbances and parameter uncertainties.

Launch vehiclesUncertainty analysisActive disturbance rejection control(ADRC)Load relief controlExtended state observer(ESO)

Xiaoyan ZHANG、Wenchao XUE、Zibo LIU、Ran ZHANG、Huifeng LI

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Key Laboratory of Systems and Control,Institute of Systems Science,Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China

School of Mathematical Sciences,University of Chinese Academy of Sciences,Beijing 100049,China

School of Astronautics,Beihang University,Beijing 100191,China

国家重点研发计划国家自然科学基金国家自然科学基金Chinese Academy of Sciences Youth Innovation Promotion Association

2022YFA100470362122083621030142021003

2024

10.1016/j.cja.2023.12.026

中国航空学报(英文版)
中国航空学会

中国航空学报(英文版)

CSTPCDEI
影响因子：0.847
ISSN：1000-9361
年,卷(期)：2024.37(4)
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