基于EMD航空发电机定子绕组故障检测方法  

Detection method for the internal stator winding fault in aircraft generator based on EMD

作　　者：韩建群[1] 石旭东[2] 

机构地区：[1]渤海大学工学院,锦州121000 [2]中国民航大学航空自动化学院,天津300300

出　　处：《国外电子测量技术》2016年第10期34-37,49,共5页Foreign Electronic Measurement Technology

基　　金：国家自然科学基金项目(51277011)资助

摘　　要：航空发电机工作的可靠性关系到航空运输的安全性,针对航空发电机定子绕组内部故障诊断问题,提出了基于经验模式分解算法的检测方法。在介绍经验模式分解算法基本原理和同步发电机内部回路电路仿真方法的基础上,对航空发电机的定子电流信号进行了分析,提取了瞬时频率、幅值等瞬时故障特征,确定了故障发生时刻,并给出了诊断结果,仿真结果表明本文方法有效。The working reliability of aircraft generator is related to air transport security.Aimed at the problem of fault detection of the internal stator winding in aircraft generator,a detection method based on the empirical mode decomposition（EMD）algorithm was proposed.By using the theory of EMD and the multi-loop analysis method,the stator current signal of aircraft generator was analyzed in this paper.The features of instantaneous frequency and amplitude were extracted.The time of fault was recorded.The simulation results showed that EMD can detect the internal stator winding fault.

关 键 词：经验模式分解 故障诊断 航空发电机 仿真 

分 类 号：TN911.7[电子电信—通信与信息系统]