卫星姿态控制系统在轨实时健康评估

宋飞; 秦世引

doi:10.13700/j.bh.1001-5965.2014.0057

卫星姿态控制系统在轨实时健康评估

doi: 10.13700/j.bh.1001-5965.2014.0057

宋飞,
秦世引^,

北京航空航天大学自动化科学与电气工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(61273350)

详细信息

作者简介:
宋飞(1983-),男,黑龙江宝清人,博士生,1234songfei@163.com

通讯作者:
秦世引

中图分类号: V448.22;TP277
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- 文章访问数: 1032
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- 被引次数: 0
出版历程
- 收稿日期: 2014-02-12
- 网络出版日期: 2014-11-20

On-orbit real-time health assessment of satellite attitude control system

Song Fei,
Qin Shiyin^,

School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 面向航天器在轨智能自主管控的技术需求,提出一种基于多级模糊综合评价架构的卫星姿态控制系统的在轨实时健康评估方法.根据卫星姿态控制系统的性能特点,按实际功能将其划分为姿态测量、控制器和执行机构3个部分.在确定各部分单元部件健康信息的基础上,基于模糊综合评价算法对各部分的健康度分别进行评估.基于评估所得到的姿态测量、控制器和执行机构3部分健康信息,根据各部分对系统健康的影响情况结合变权综合原理确定健康影响权重,采用模糊综合评价算法实现对姿态控制系统整体健康性能的综合评估.仿真实验结果表明,所提出的方法能够有效实现卫星姿态控制系统的在轨实时健康评估.
- 卫星姿态控制系统 /
- 在轨实时健康评估 /
- 多级模糊综合评价 /
- 变权综合原理
Abstract: According to technique requirements of on-orbit autonomous intelligent management and control for spacecrafts, especially for satellite systems, an on-orbit real-time health assessment method for satellite attitude control systems was proposed based on a multi-level fuzzy comprehensive evaluation framework. In view of performance characteristics and actual capabilities, a satellite attitude control system was divided into three parts of attitude measurement, actuating mechanism and attitude control. In this way, its health level may be determined by health status of three parts so that the fuzzy evaluation for every part was carried out at first and then the integrative health performance was given through synthetically weighted integration with the ones of three parts. Therefore a synthetic integration strategy with variable weights for different health conditions of various parts was employed to complete the comprehensive evaluation of satellite attitude control systems according to variable weight synthesizing principle, in which the variable weights depended on the membership degree of health level of various parts. Simulation experiment results demonstrate that the proposed health assessment method can achieve on-orbit real-time health assessment of satellite attitude control system effectively and efficiently.
- satellite attitude control system /
- on-orbit real-time health assessment /
- multi-level fuzzy comprehensive evaluation /
- variable weight synthesizing principle

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