| 基于小波分析的航天器姿态控制系统故障诊断方法研究 |
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| 引用本文： | 郝慧,王南华.基于小波分析的航天器姿态控制系统故障诊断方法研究[J].航天控制,2005,23(5):73-78. |
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| 作者姓名： | 郝慧 王南华 |
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| 作者单位： | 北京控制工程研究所 北京100080
(郝慧)，北京控制工程研究所 北京100080(王南华) |
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| 基金项目： | 国家自然科学基金资助项目(90305024) |
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| 摘 要： | 小波分析是一种全新的时频两维的信号分析技术,本文将其引入航天器姿态控制系统故障诊断,并针对姿态控制系统所采用的红外地球敏感器、陀螺和姿控发动机的典型故障模式,研究了基于小波分析技术的故障诊断方法。仿真结果证明了所提方法的有效性。
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| 关 键 词： | 航天器 姿态控制系统 故障诊断 小波分析 |
| 文章编号： | 1006-3242(2005)05-0073-06 |
| 修稿时间： | 2005年5月20日 |
Research on Wavelet Analysis Based Fault Diagnosis for Attitude Control Subsystem of Spacecraft |
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| Hao Hui Wang NanhuaBeijing Institute of Control Engineering,Beijing.Research on Wavelet Analysis Based Fault Diagnosis for Attitude Control Subsystem of Spacecraft[J].Aerospace Control,2005,23(5):73-78. |
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| Authors: | Hao Hui Wang NanhuaBeijing Institute of Control Engineering Beijing |
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| Institution: | Hao Hui Wang NanhuaBeijing Institute of Control Engineering,Beijing 100080 |
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| Abstract: | Wavelet transform is a brand-new time-frequency signal analysis technique.This paper introduces it into fault diagnosis for attitude control subsystem of spacecraft and proposes some methods based on wavelet analysis technique in order to diagnose typical fault types of infrared earth sensors(IRES),gyros and attitude control thrusters in attitude control subsystem of spacecraft.Simulation results prove the effectiveness of the methods mentioned above.Subject terms Spacecraft Attitude control subsystem Fault diagnosis Wavelet analysis |
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| Keywords: | Spacecraft Attitude control subsystem Fault diagnosis Wavelet analysis |
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