|Table of Contents|

Research on feature extraction for fault monitoring of LOX/kerosene rocket engine(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2017年06期
Page:
26-31
Research Field:
研究与设计
Publishing date:

Info

Title:
Research on feature extraction for fault monitoring of LOX/kerosene rocket engine
Author(s):
PU Xingxing1;  WANG Jianshe2; GAO Yushan1;  LI Chen1;  ZHANG Xiaoping1
1.Xi'an Aerospace Propulsion Institute, Xi'an 710100, China;2.Academy of Aerospace Propulsion Technology, Xi'an 710100, China
Keywords:
LOX/kerosene rocket engine;  staged combustion cycle;  fault monitoring;  fault simulation;  feature extraction
PACS:
V434-34
DOI:
-
Abstract:
The fault monitoring can improve safety and reliability of rocket engine effectively. A steady fault simulation model of high pressure staged combustion cycle LOX/kerosene rocket engine with high thrust is developed. The fault simulation analysis is conducted and the characteristic parameters of the engine fault monitoring are extracted. The selected fault modes which are possible to endanger the safe running of the engine are simulated and analyzed to obtain the order of engine parameters sensitive to the fault. Based on correlation analysis on relative deviations of measurement parameters, the correlation coefficients among the measurement parameters and measurement parameter sets with high correlation are obtained. The characteristic parameters for fault monitoring of the engine are extracted on the basis of sensitivity order and correlation of measurement parameters.

References:

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