基于模型的推进系统故障检测与诊断

推进技术 ›› 1994, Vol. 15 ›› Issue (5): 1-8.

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基于模型的推进系统故障检测与诊断

张育林,吴建军,陈启智

国防科技大学航天技术系;国防科技大学航天技术系;国防科技大学航天技术系

发布日期:2021-08-15
基金资助:
国家自然科学基金

MODEL-BASED FAULT DETECTION AND DIAGNOSIS FOR LIQUID ROCKET PROPULSION SYSTEM

Department of Aerospace Technology, National University of Defense Technology, Changsha, 410073;Department of Aerospace Technology, National University of Defense Technology, Changsha, 410073;Department of Aerospace Technology, National University of Defense Technology, Changsha, 410073

Published:2021-08-15

摘要/Abstract

摘要： 针对泵压式供应系统液体火箭发动机的健康监控问题，提出了故障检测与诊断的基本框架，并讨论了基于发动机系统非线性数学模型、推广的卡尔曼滤波的故障检测方法和基于低阶线性模型的故障诊断方法。

关键词: 液体推进剂火箭发动机;故障检测;故障诊断;数学模型;动态响应;卡尔曼滤波

Abstract: For monitoring conditions of a liquid rocket engine with turbo-pump system, an outline of fault detection and diagnosis is presented in this paper. The fault detection method with extended Kalman filter based on nonlinear mathematical models and the diagnosis method based on lower-order linear models are also discussed.

Key words: Liquid propellant rocket engine;Fault detection;Fault diagnosis;Mathematical moldel;Dynamic response;Kalman filtering

张育林,吴建军,陈启智. 基于模型的推进系统故障检测与诊断[J]. 推进技术, 1994, 15(5): 1-8.

基于模型的推进系统故障检测与诊断

MODEL-BASED FAULT DETECTION AND DIAGNOSIS FOR LIQUID ROCKET PROPULSION SYSTEM

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