机电作动系统故障影响分析与故障检测方法

doi:1004-7018-46-6-43-48

微特电机 ›› 2018, Vol. 46 ›› Issue (6): 43-48.doi: 1004-7018-46-6-43-48

机电作动系统故障影响分析与故障检测方法

杨建忠,杨珍书,孙晓哲

中国民航大学天津市民用航空器适航与维修重点实验室,天津 300300

收稿日期:2017-11-27 出版日期:2018-06-20 发布日期:2018-07-03

Fault Modeling and Fault Characteristic Analysis of Electromechanical Actuating System

Jian-zhong YANG,Zhen-shu YANG,Xiao-zhe SUN

Tianjin Key Laboratory of Civil Aircraft Airworthiness and Maintenance in Civil Aviation University of China,Tianjin 300300,China

Received:2017-11-27 Online:2018-06-20 Published:2018-07-03

摘要/Abstract

摘要：

机电作动系统是飞机中安全的关键元件,为达到民用飞机的高可靠性要求,需要对机电作动系统故障模式及影响进行分析。基于机电作动系统机理分析,选取典型故障模式,并通过故障建模与仿真分析故障影响及故障特征。基于FFT分析,提出将总谐波失真值THD作为故障特征的重要评价指标,以获取显著的故障特征,为机电作动系统故障检测提供理论基础。

关键词: 机电作动系统, 故障模式, 故障检测, 总谐波失真

Abstract:

Electromechanical actuation system is a safety-critical component in aircraft. To meet the high reliability requirements of civil aircraft, it is necessary to analyze the failure modes and effects of electromechanical actuation system. Based on the mechanism analysis of electromechanical actuation system, the typical failure mode was selected and the influence of failure and fault characteristics were analyzed through fault modeling and simulation. Based on the analysis of FFT, THD value was proposed as an evaluation index of fault features to obtain significant fault characteristics, which provided a theoretical basis for the fault detection of electromechanical actuation system.

Key words: electromechanical actuation (EMA)system, failure mode, fault detection, total harmonic distortion (THD)

中图分类号:

杨建忠,杨珍书,孙晓哲. 机电作动系统故障影响分析与故障检测方法[J]. 微特电机, 2018, 46(6): 43-48.

Jian-zhong YANG,Zhen-shu YANG,Xiao-zhe SUN. Fault Modeling and Fault Characteristic Analysis of Electromechanical Actuating System[J]. Small & Special Electrical Machines, 2018, 46(6): 43-48.

参考文献

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机电作动系统故障影响分析与故障检测方法

Fault Modeling and Fault Characteristic Analysis of Electromechanical Actuating System

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