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Fault Diagnosis and Analysis of Gearbox Based on ELMD Decomposition and MED
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Shao-yong ZHAO1, 2, Xue-ping REN1, Fu-gui HAO1, 2
Rare Earth Steel | 2018, 44(1) : 68 - 71
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Rare Earth Steel | 2018, 44(1): 68-71
• Product Development and Technology •
Fault Diagnosis and Analysis of Gearbox Based on ELMD Decomposition and MED
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Shao-yong ZHAO1, 2, Xue-ping REN1, Fu-gui HAO1, 2
Affiliations
  • 1.School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, Nei Monggol, China
  • 2.Equipment and Engineering Dept. of Inner Mongolia Steel Union Co. Ltd. of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
Published: 2018-02-25 doi: 10.13647/j.cnki.btgkj.2018.01.022
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Aiming at the non-stationary characteristics of early failure vibration signal of gear and the fact that it is seriously affected by environmental noise and the fault feature is weak so it is hard to be extracted, the ensemble local mean decomposition is used to decompose the fault vibration signal of gear to obtain the product function of finite single component, so as to highlight the local characteristics of the signal. However, because of the noise interference, it is difficult to extract the fault feature frequency information from frequency spectrum of each component, and based on that, in the paper, the fault diagnosis method of ensemble local mean decomposition and minimum entropy deconvolution is proposed. Through the analysis of gear fault simulation experiment and project case, fault characteristic information of gear can be extracted accurately and effectively, which provides a new method for practical engineering application.

gearbox  /  time domain analysis  /  frequency domain analysis
赵少勇, 任学平, 郝富贵. 基于ELMD分解和MED的齿轮箱故障诊断分析. 包钢科技, 2018 , 44 (1) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2018.01.022
Shao-yong ZHAO, Xue-ping REN, Fu-gui HAO. Fault Diagnosis and Analysis of Gearbox Based on ELMD Decomposition and MED[J]. Science & Technology of Baotou Steel, 2018 , 44 (1) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2018.01.022
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Year 2018 volume 44 Issue 1
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Article Info
doi: 10.13647/j.cnki.btgkj.2018.01.022
  • Receive Date：2017-11-07
  • Online Date：2026-10-20
  • Published：2018-02-25
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  • Received：2017-11-07
Affiliations
    1.School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, Nei Monggol, China
    2.Equipment and Engineering Dept. of Inner Mongolia Steel Union Co. Ltd. of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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