| 基于双谱特征的行星齿轮箱故障诊断方法 |
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| 引用本文： | 梁好,蒋章雷,覃绘桥,徐小力.基于双谱特征的行星齿轮箱故障诊断方法[J].组合机床与自动化加工技术,2020(4):110-113. |
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| 作者姓名： | 梁好 蒋章雷 覃绘桥 徐小力 |
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| 作者单位： | 北京信息科技大学现代测控技术教育部重点实验室 |
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| 基金项目： | 北京学者计划资助(2015-025);北京信息科技大学"勤信人才"培育计划资助(QXTCP C201713);北京市优秀人才培养资助项目(2017000020124G019);京津冀科技成果转化项目(17YFCZZC00270-01);京津冀自然科学基金基础研究合作项目(J170004)。 |
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| 摘 要： | 为了研究行星齿轮箱齿面磨损全生命周期实验的退化过程,使用了可以抑制高斯噪声和对信号中产生的频率耦合进行解耦的双谱方法去进行故障特征提取,提出了两个基于双谱的特征指标,双谱熵以及非高斯强度,并通过特征指标评价方法去检验其指标性能。结果表明基于双谱熵具有良好的指标性能,而且对于行星齿轮箱齿面磨损的早期微弱故障十分敏感,适用于行星齿轮箱齿面磨损的故障诊断。
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| 关 键 词： | 双谱 特征指标 性能评价 故障诊断 |
Fault Diagnosis Method of Planetary Gear Box Based on Bispectral Characteristics |
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| LIANG Hao,JIANG Zhang-lei,QIN Hui-qiao,XU Xiao-li.Fault Diagnosis Method of Planetary Gear Box Based on Bispectral Characteristics[J].Modular Machine Tool & Automatic Manufacturing Technique,2020(4):110-113. |
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| Authors: | LIANG Hao JIANG Zhang-lei QIN Hui-qiao XU Xiao-li |
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| Affiliation: | (Key Laboratory of Modern Measurement&Control Technology,Ministry of Education,Beijing Information Science and Technology University,Beijing 100192,China) |
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| Abstract: | In order to study the degradation process of the life cycle experiment of planetary gear box tooth surface wear, a bispectrum method is used to extract fault features, which can suppress Gaussian noise and decouple the frequency coupling generated in the signal. Two bispectrum-based characteristic indices, bispectrum entropy and non-Gaussian intensity, are proposed. and the indices are tested by the performance evaluation method of characteristic indices. The results show that the bispectrum entropy has good index performance, and is sensitive to the early weak faults of the wear of the planetary gearbox tooth surface. It is suitable for the fault diagnosis of the wear of the planetary gearbox tooth surface. |
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| Keywords: | bispectrum characteristic index performance evaluation fault diagnosis |
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