李宏坤   

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Supervisor of Master's Candidates

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Language:English

Paper Publications

Title of Paper:基于振动信号分形特征的柴油机缸套磨损诊断

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Date of Publication:2013-01-01

Journal:内燃机工程

Included Journals:Scopus、EI、PKU、CSCD

Volume:34

Issue:1

Page Number:71-75

ISSN No.:1000-0925

Key Words:内燃机; 柴油机; 缸套磨损; 分形维数; 形态学; 总体经验模态分解

Abstract:提出了一种基于总体经验模态分解(EEMD)与形态学分形维数的柴油机缸套磨损诊断方法,以某6缸四冲程柴油机为研究对象,测试并分析了柴油机缸套4种状
   态下机体振动信号的形态学分形维数。研究结果表明:利用含噪振动信号的分形维数来描述缸套磨损状态是不可靠的,实测信号降噪后的形态学分形维数能够清晰地
   区分柴油机缸套磨损状态。

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