Adaptive actuator failure compensation and disturbance rejection scheme for spacecraft

被引：4

作者：

Yao, Xuelian ^{[1
]}

Tao, Gang ^{[1
,2
]}

Qi, Ruiyun ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Jiangsu, Peoples R China

[2] Univ Virginia, Dept Elect & Comp Engn, Charlottesville, VA USA

来源：

JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS | 2014年 / 25卷 / 04期

基金：

中国国家自然科学基金;

关键词：

actuator failure compensation; adaptive control; failure pattern; disturbance estimation; spacecraft; stability and tracking; FLEXIBLE SPACECRAFT; ATTITUDE TRACKING; FAULT-DIAGNOSIS; MANEUVERING CONTROL; SATELLITES;

D O I：

10.1109/JSEE.2014.00075

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

An adaptive actuator failure compensation scheme is proposed for attitude tracking control of spacecraft with unknown disturbances and uncertain actuator failures. A new feature of this adaptive control scheme is the adaptation of the failure pattern parameter estimates, as well as the failure signal parameter estimates, for direct adaptive actuator failure compensation. Based on an adaptive backstepping control design, the estimates of the disturbance parameters are used to solve the disturbance rejection problem. The unknown disturbances are compensated completely with the stability of the whole closed-loop system. The scheme is not only able to accommodate uncertain actuator failures, but also robust against unknown external disturbances. Simulation results verify the desired adaptive actuator failure compensation performance.

引用

页码：648 / 659

页数：12

共 22 条

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