Research on diesel engine piston wear fault diagnosis method based on the local wave time-frequency analysis

被引：0
作者：
机构：
[1] School of Information Science and Technology, Dalian Maritime University, Dalian
[2] College of Electromechanical and Information Engineering, Dalian Nationalities University, Dalian
[3] Department of Computer Science, University of Massachusetts Lowell, Lowell, 01854, MA
来源：
Zhao, Fengqiang | 1600年 / Bentham Science Publishers B.V., P.O. Box 294, Bussum, 1400 AG, Netherlands卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Diesel; Fault diagnosis; Local wave method; Time-frequency analysis;
D O I：
10.2174/1874444301406010913
中图分类号：
学科分类号：
摘要：
A large number of non-stationary dynamic signals are generated in the working machinery and equipment. Especially, diesel engines often encounter non-stationary transient and time-varying modulation signals, such as the impulse response signals caused by cylinder piston wear. These kinds of signals generated from diesel engine are analyzed by the method of the Local Wave time-frequency proposed in this paper, and then according to the analysis to diagnose the working state of the diesel engine. It proved that the proposed method is feasible and effective. Moreover, it provides an effective way for the diesel engine condition monitor and fault diagnosis. © Zhao et al.; Licensee Bentham Open.
引用
收藏
页码：913 / 918
页数：5
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