李宏坤   

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Language:English

Paper Publications

Title of Paper:基于局域波法和K-L信息量的柴油机故障诊断方法

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Date of Publication:2003-08-10

Journal:大连理工大学学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:43

Issue:4

Page Number:461-465

ISSN No.:1000-8608

Key Words:故障诊断;柴油机;K-L信息量;局域波法

Abstract:针对柴油机表面振动信号的非平稳时变特性,采用局域波分析方法将实测信号分解为多个内蕴模式分量,提出了基于内蕴模式分量K-L信息量的柴油机故障检测方法. 然后以正常状态为参考状态,对活塞缸套间的3种磨损故障实例进行了分析,结果证明了该方法在柴油机故障诊断中的有效性和工程实用性.

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