CAJ | 학술논문

自主健康管理系统对实现卫星安全性、可靠性和经济适用性具有重要意义,故障诊断算法是自主健康管理的核心技术之一。文章介绍了基于信号处理的故障诊断算法、基于解析模型的故障诊断算法和基于定性模型的故障诊断算法的国内外研究现状;提出了每种诊断算法的设计思想和实现途径;根据上述途径并结合卫星控制分系统的特点,得出了基于Unscented变换的故障诊断仿真结果;还给出了故障诊断算法的验证方案。这些算法能够满足星上故障诊断和处理的需求,对自主健康管理系统的实现具有参考意义。
자주건강관리계통대실현위성안전성、가고성화경제괄용성구유중요의의,고장진단산법시자주건강관리적핵심기술지일。문장개소료기우신호처리적고장진단산법、기우해석모형적고장진단산법화기우정성모형적고장진단산법적국내외연구현상;제출료매충진단산법적설계사상화실현도경;근거상술도경병결합위성공제분계통적특점,득출료기우Unscented변환적고장진단방진결과;환급출료고장진단산법적험증방안。저사산법능구만족성상고장진단화처리적수구,대자주건강관리계통적실현구유삼고의의。
Health management and automation system is significant for satellite to achieve the requirements of safety,reliability and economics.Fault diagnosis algorithm is one of the core technologies for automatous health management.The paper introduces the research status of three fault diagnosis algorithms,including fault diagnosis algorithm based on signal processing,fault diagnosis algorithm based on analytical model and fault diagnosis algorithm based on qualitative model.Based on the investigation above,the design idea and implementation approach of the three algorithms are proposed.In addition,the simulation results of fault diagnosis algorithm with unscented transform are given according to the implementation approach above.Moreover,the scheme for verification of diagnosis algorithm is given with the characteristics of the satellite control subsystem.These fault diagnosis algorithms can meet the requirement for fault diagnosis and fault treatment in satellite,which is of significance for health management and automation.