|本期目录/Table of Contents|

[1]杨婧,侯建文,史小平. 挠性航天器轨控期间姿态容错控制[J].电机与控制学报,2015,19(07):111-116.[doi:10. 15938/j. emc.2015.07.017]
 YANG Jing,HOU Jian-wen,SHI Xiao-ping. Fault tolerant attitude control of flexible spacecraft during orbit control[J].,2015,19(07):111-116.[doi:10. 15938/j. emc.2015.07.017]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
19
期数:
2015年07
页码:
111-116
栏目:
出版日期:
2015-07-31

文章信息/Info

Title:
 Fault tolerant attitude control of flexible spacecraft during orbit control
作者:
 杨婧侯建文史小平
 1.哈尔滨工业大学控制与仿真中心,黑龙江哈尔滨150080;2上海航天技术研究院上海201109
Author(s):
 YANG JingHOU Jian-wenSHI Xiao-ping
 1. Control and Simulation Center, Harbin Institute of Technology, Harbin 150080,China ;
2. Shanghai Academy of Spaceflight Technology, Shanghai 201109,China
关键词:
 扩张状态观测器滑模容错控制挠性航天器执行器故障
Keywords:
 Keywords:eXtended state observer sliding mode fault tolerant control flexible spacecraft actuator faults
分类号:
TP 302. 8
DOI:
10. 15938/j. emc.2015.07.017
文献标志码:
A
摘要:
 摘要:轨道调控期间,轨道控制推力会对挠性航天器的质心运动与姿态运动产生影响。针对轨道
控制期间挠性航天器姿态控制系统的执行机构故障问题,提出了一种基于扩张状态观测器(eX-
tended state observer, ESO)的滑模容错控制算法。该算法将执行器故障,系统干扰及参数摄动量视
为未知动态,通过设计相应的扩张状态观测器,能有效的实现对滑模状态量及未知动态的估计;在
此基拙上,利用未知动态的估计信息,设计了滑模容错控制控制律。最后,针对轨控期间反作用飞
轮故障的挠性航天器姿态系统进行了仿真研究,仿真结果表明该算法能够有效处理执行器故障并
使闭环系统稳定。
Abstract:
 Abstract:The orbit control force would generate disturb torque which has impacts on the centroid and at-
titude motion of flexible spacecraft during spacecraft orbit maneuver. A sliding mode fault tolerant control
approach was proposed based on an extended state observer(ESO)for the flexible spacecraft attitude
control system with actuator faults during orbit control. In this approach,unknown actuator faults,inter-
nal and external disturbance,and parameter perturbation are considered as unknown dynamics. Based on
the ESO design approach,sliding mode and unknown dynamics were effectively estimated,and sliding
mode fault tolerant control approach was designed by using the estimating information. At last,the simu-
lation results of flexible spacecraft were presented to demonstrate the effective of this approach.

参考文献/References:

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备注/Memo

备注/Memo:
 基金项目:武器装备预研基金(9140A20040515HT01001)
更新日期/Last Update: 2015-08-14