Chinese Journal of Ship Research, Volume. 20, Issue 2, 47(2025)
Marine fire pump motor bearings fault feature enhancement and diagnosis based on adaptive SSA and improved TEO
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Table 1. Specific parameters of the outer ring fault simulation model
View tableView in ArticleTable 1. Specific parameters of the outer ring fault simulation model
参数 取值 冲击信号周期 $ {P_0} $ 41 载波中心频率（ $ {f_{01}} $ $ {f_{02}} $ $ {\text{Hz}} $ 1 200 5 200 阻尼比率 $ {\xi _0} $ 0.02 外圈故障特征频率 $ {f_0} $ $ {\text{Hz}} $ 50
Table 2. Fault characteristic frequency of bearings
View tableView in ArticleTable 2. Fault characteristic frequency of bearings
转速 / (r·min−1) 故障特征频率/Hz 外圈（fo） 内圈（fi） 滚动体（fe） 500 33.2 55.7 39.6 1 000 66.5 110.1 79.3 1 500 99.8 165.2 118.9
Table 3. Comparison of experimental results
View tableView in ArticleTable 3. Comparison of experimental results
方法名称 SII SVI 运行时间/s 本文方法 0.97 22.12 14.23 HPF 0.78 18.45 2.12 WT 0.92 19.32 18.23 ITD 0.89 17.68 19.45 VMD 0.90 17.67 95.26 EMD 0.92 17.23 23.32 EEMD 0.94 18.16 40.24 CEEMDAN 0.94 18.24 157.19
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Xuewei SONG, Zhiqiang LIAO, Baozhu JIA. Marine fire pump motor bearings fault feature enhancement and diagnosis based on adaptive SSA and improved TEO[J]. Chinese Journal of Ship Research, 2025, 20(2): 47
Paper Information
Category: Ship Intelligent O&M, and Fault Diagnosis
Received: Nov. 25, 2023
Accepted: --
Published Online: May. 15, 2025
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