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

被引：0

作者：

Song, Fei ^{[1
]}

Qin, Shiyin ^{[1
]}

机构：

[1] School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing

来源：

Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2014年 / 40卷 / 11期

关键词：

Multi-level fuzzy comprehensive evaluation; On-orbit real-time health assessment; Satellite attitude control system; Variable weight synthesizing principle;

D O I：

10.13700/j.bh.1001-5965.2014.0057

中图分类号：

学科分类号：

摘要：

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. ©, 2014, Beijing University of Aeronautics and Astronautics (BUAA). All right reserved.

引用

页码：1581 / 1588

页数：7

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