Hilbert-Huang变换分析仪及其在机械故障特征提取中的应用

中国机械工程 ›› 2013, Vol. 24 ›› Issue (13): 1755-1760.

Hilbert-Huang变换分析仪及其在机械故障特征提取中的应用

陈仁祥;汤宝平;苏祖强

重庆大学机械传动国家重点实验室，重庆，400044

出版日期:2013-07-10 发布日期:2013-07-11
基金资助:
国家自然科学基金资助项目（51275546）；重庆市自然科学杰出青年基金计划资助项目(CQ cstc2011jjjq70001)；机械传动国家重点实验室科研业务费资助项目(SKLMT-ZZKT-2012 MS 09)
National Natural Science Foundation of China（No. 51275546）;
Natural Science Funds for Distinguished Young Scholars of Chongqing（No. CQ cstc2011jjjq70001）

Application of Hilbert-Huang Transform Analyzer in Feature Extraction for Mechanical Faults

Chen Renxiang;Tang Baoping;Su Zuqiang

State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing,400044

Online:2013-07-10 Published:2013-07-11
Supported by:

National Natural Science Foundation of China（No. 51275546）;
Natural Science Funds for Distinguished Young Scholars of Chongqing（No. CQ cstc2011jjjq70001）

摘要/Abstract

摘要：

为了提高应用希尔伯特-黄变换（Hilbert-Huang transform，HHT）进行机械故障特征提取的便携性和效率，在Visual C++ 6.0平台上开发了HHT分析仪。比较了HHT中不同插值方法、端点延拓方法及停止准则的效率和精度，得出了不同算法的优缺点和适用场合，提出了不同算法的选用策略。将开发的分析仪与美国DynaDx公司的DataDemon中的HHT算法结果进行比较，验证了分析仪算法的正确性。最后，将分析仪应用在滚动轴承外圈故障和转子横向裂纹的分析中，准确提取了故障特征。

关键词: 希尔伯特-黄变换（HHT）, 故障特征提取, 插值方法, 端点延拓, 停止准则

Abstract:

In order to improve the portability and efficiency of feature extraction for mechanical faults based on HHT, a HHT analyzer was developed on the Visual C++ 6.0 platform. And, the efficiency and precision of the different interpolation methods,end extending methods and stopping criterion were compared, and merits and faults of the algorithms in HHT were obtained. Then, the strategy of choosing different HHT algorithms was proposed. A comparison was made between this analyzer and the HHT algorithm of DataDemon from DynaDx Corporation, and the correctness of the algorithm was verified for the analyzer. At last, the signals of outside circle fault for rolling bearing and rotor running across were analyzed by the analyzer, and the fault characteristics are extracted effectively.

Key words: Hilbert-Huang transform(HHT), fault feature extraction, interpolation method, end extending, stopping criterion

中图分类号:

TH115

陈仁祥, 汤宝平, 苏祖强. Hilbert-Huang变换分析仪及其在机械故障特征提取中的应用[J]. 中国机械工程, 2013, 24(13): 1755-1760.

CHEN Ren-Xiang, SHANG Bao-Beng, SU Jie-Jiang. Application of Hilbert-Huang Transform Analyzer in Feature Extraction for Mechanical Faults[J]. China Mechanical Engineering, 2013, 24(13): 1755-1760.

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