流体机械装备的故障特性分析方法研究

Research on Failure Characteristics Analysis Method for Fluid Machinery

针对机电液一体化流体机械装备的故障特性分析问题,研究了FTA-MMECA分析方法,在复杂装备的层次化编码结构基础上,利用简约FTA分析和底层元件的MMECA分析,完成装备系统的故障特性全面分析,建立信息全面、逻辑关系清晰和使用方便的信息数据集,并以导弹发射车液压系统故障特性分析进行了举例。研究成果可为实施装备的健康管理提供知识和信息支撑。

Aiming at the fault characteristic analysis problem for fluid machinery of mechanics-electronics-hydraulics, the analysis methodFTA-MMECA was studied. Based on the hierarchical coding structure, the simple FTA analysis and the MMECA analysis methods wereused to finish comprehensive analysis for fault characteristic of equipments system, and the information datasets with comprehensive information,clear logical relationship and usableness was built. Furthermore, the above research result was applied to analyze fault characteristicof hydraulic system for missile launcher. The practice showed that the research result could provide knowledge and information support forcarrying out equipments’health management.