空间实验室天地一体化故障诊断技术研究

航天器故障诊断不仅可以提高航天器安全性和可靠性，而且可以节约航天器安全寿命期成本。文中详细阐述了空间实验室天地一体化故障诊断系统方案。整个故障诊断体系由在轨诊断系统和地面诊断系统组成，在轨诊断系统具有部分自主诊断能力，地面诊断系统又分为系统级故障诊断和分系统级故障诊断。强调了基于模型推理技术(特别是多信号建模技术)在空间实验室天地一体化故障诊断系统中的重要性；最后指出了当前需要深入研究的建模技术及故障诊断系统的组件化和网络化等关键技术。

Research on Integrated Vehicle and Ground Fault Diagnosis System for Space Laboratory

Research on fault diagnosis for spacecrafts is not only helpful to improve the safety and reliability of spacecrafts, but also to reduce their life cycle cost significantly. An Integrated Vehicle and Ground Fault Diagnosis System for space laboratory is described in detail. The system is consisted of Integrated Vehicle Fault Diagnosis System (IVFDS) with limited autonomous diagnosis capability, and Integrated Ground Fault Diagnosis System (IGFDS) including diagnosis system level fault and subsystem level fault. Model based reasoning (especially for multi signal model) is emphasized in this system. At the end of this paper, it is pointed on that some key techniques such as system modeling and component based diagnosis system, need to be studied in depth.