| 基于维格纳高阶矩谱的柴油机故障诊断 |
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| 引用本文： | 施晓春,孙秋野.基于维格纳高阶矩谱的柴油机故障诊断[J].大连铁道学院学报,2006,27(1):44-46. |
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| 作者姓名： | 施晓春 孙秋野 |
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| 作者单位： | 大连交通大学机械工程学院 辽宁大连116028(施晓春)，大连础明集团有限公司 辽宁大连116039(孙秋野) |
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| 摘 要： | 为解决柴油发动机故障振动信号分析过程中的不稳定性和非线性,使用切片维格纳三谱来分析柴油机振动信号的时频分布,柴油机故障信号的切片维格纳三谱表明,每一种故障均具有各自的特征,从而为区分不同柴油机故障提供了信息依据.
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| 关 键 词： | 高阶谱 切片维格纳三谱 故障诊断 |
| 文章编号： | 1000-1670（2006）01-0044-03 |
| 收稿时间： | 2005-09-01 |
Diesel Engine Fault Diagnosis and Classification |
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| SHI XIAO-chun,SUN Qiu-ye.Diesel Engine Fault Diagnosis and Classification[J].Journal of Dalian Railway Institute,2006,27(1):44-46. |
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| Authors: | SHI XIAO-chun SUN Qiu-ye |
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| Institution: | 1. School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, China; 2. Dalian Churning Group Lt. Company, Dalian 116039 |
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| Abstract: | The Wigner trispectrum of the cross item is used to analyse the vibration signals from diesel engine in this paper,and the result prove: each fault has its character,this method supplys the information in order to distinguish the faults of the diesel engine. |
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| Keywords: | high order matrix slice of wigner trispectrum fault distinguish |
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