基于灰色模型的故障预报技术及其在空间推进系统上的应用

GRAY MODEL BASED FAULT FORECASTING TECHNIQUE AND ITS APPLICATION IN PROPULSION SYSTEM OF SPACE

关键词:  灰色理论  故障预测  故障诊断  航天器推进

Key words:  Grey theory  Failure forecasting  Fault diagnosis  Spacecraft propulsion

摘要:

研究了灰色预测建模，把灰色理论、预测技术和诊断专家系统相结合建立了一个故障预报系统，使用该系统针对空间推进系统气路部分故障，实现了故障预测预报。

Abstract:

The gray forecasting model was studiedThe gray theory and forecasting technique were connected with expert system,and a fault forecasting system was buildedPropulsion system of space is taken as an example,and the validity of the method is shown