| 往复式压缩机故障信息模糊二元树诊断方法研究 |
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| 引用本文： | 别锋锋,郭正刚,张志新,李宏坤,王奉涛.往复式压缩机故障信息模糊二元树诊断方法研究[J].大连理工大学学报,2008,48(3):383-386. |
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| 作者姓名： | 别锋锋 郭正刚 张志新 李宏坤 王奉涛 |
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| 作者单位： | 大连理工大学,精密与特种加工教育部重点实验室,辽宁,大连,116024 |
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| 摘 要： | 结合图论理论和局域波理论,提出了一种基于模糊图的往复式压缩机故障诊断方法.首先将往复式压缩机故障信号进行局域波时频处理,根据系统的故障状态-特征表,找出最大故障信息量特征群.基于图论理论建立最大故障信息量模糊图,通过对模糊图的分析,找出可以进行匹配的路径信息量最大的部件.该方法应用于某往复式压缩机故障诊断中,具有一定的工程实用性.
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| 关 键 词： | 局域波 故障诊断 模糊二元树 路径强度 往复式压缩机 压缩机故障 信息模糊 二元树 诊断方法 研究 diagnosis reciprocating compressor method tree duality fuzzy information fault 工程实用 故障诊断 应用 部件 信息量最大 路径 |
| 文章编号： | 1000-8608(2008)03-0383-04 |
| 修稿时间： | 2006年7月10日 |
Research on fault information in fuzzy duality tree method for reciprocating compressor diagnosis |
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| BIE Fengfeng GUO Zhenggang ZHANG Zhixin LI Hongkun WANG Fengtao.Research on fault information in fuzzy duality tree method for reciprocating compressor diagnosis[J].Journal of Dalian University of Technology,2008,48(3):383-386. |
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| Authors: | BIE Fengfeng GUO Zhenggang ZHANG Zhixin LI Hongkun WANG Fengtao |
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| Abstract: | Combined with local wave method and graph theory, a new fault diagnosis method for reciprocating compressor is proposed based on fuzzy duality tree. Firstly using local wave method, the vibration signal from reciprocating compressor is disposed to local wave time-frequency spectra, in which the fault property of the running system is confirmed, then the vector of maximal fault information is located here. Analyzing the fuzzy duality tree, certain piece of the compressor suited to the path with maximal fault information is found out. Application of the method to the fault diagnosis for a certain reciprocating compressor illustrates its project practicability. |
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| Keywords: | local wave fault diagnosis fuzzy duality tree path intensity |
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