NDLI: Research on storage degradation testing and life prediction based on ARMA and wavelet transform model for aerospace electromagnetic relay

Content Provider	IEEE Xplore Digital Library
Author	Wang, Zhaobin Shang, Shang Zhai, Guofu Ren, Wanbin
Copyright Year	2014
Description	Author affiliation: School of Electrical-Engineering and Automation Harbin Institute of Technology Harbin, China (Zhai, Guofu; Ren, Wanbin) \|\| School of Electronics and Information Jiangsu University of Science and Technology Zhenjiang, China (Wang, Zhaobin; Shang, Shang)
Abstract	Aerospace electromagnetic relay (EMR) is one of the key electromechanical components used for signal transmission, load switching, circuit protection and control and system isolation. At present, concern for the storage reliability of Aerospace EMR is respectively light although it comes to the highly-dependable and long-life electrical components. And the corresponding research still faces a series of problems, such as low level experiment and test detection, unclear law of performance parameters changing, ambiguous about failure mode and failure mechanism, and lack of effective evaluating and predicting means. Therefore, how to evaluate the storage reliability of aerospace EMR has become the important subject that demanding prompt solution at present. This study used aerospace EMR as research object. A new method for testing storage reliability is proposed by performance parameters degradation. The test and analysis system of aerospace electromagnetic relay storage parameters under temperature-accelerated stress was designed and developed. Based on the analysis of parameters changing in storage degradation testing, the modeling storage reliability method of aerospace EMR is extensively investigated. Prediction parameters preprocessing method is proposed which combines time series analysis with one-dimensional wavelet transform method. This reduces the random signal's influence on the prediction precision in prediction parameters. Parameters of the storage degradation model are estimated through regression theory. And the storage life of aerospace EMR under normal stress is predicted. These studies provide the necessary theoretical method and basis for studying storage reliability of the aerospace EMR. Its key techniques and methods could be also applied to other electromechanical components storage reliability studies.
Starting Page	1
Ending Page	8
File Size	662008
Page Count	8
File Format	PDF
e-ISBN	9781479960682
DOI	10.1109/HOLM.2014.7031021
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Degradation Stress Reliability Electromagnetics Aerospace testing life prediction storage reliability degradation testing aerospace electromagnetic relay contact resistance
Content Type	Text
Resource Type	Article

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