Wigner-Ville Distribution (WVD) is probably the most used non-linear time-frequency distribution for signal processing in fault diagnosis, due to the advantages of excellent resolution and localization in time-frequency domain. However, the presence of cross terms when they are applied to multicomponent signals can give misleading interpretations. A methodology based on Local Mean Decomposition (LMD) and WVD is proposed to get more reliable bearing fault diagnosis based on vibration signals. Kullback-Leibler Divergence (KLD) guides the selection of the optimal frequency band with the most relevant information about the fault. Early results based on experimental data show successful diagnosis. (C) 2019, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
机构:
Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
Wang, Hao
Hou, Fatao
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Res Inst Elect Technol, Nanjing, Peoples R ChinaShanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
Hou, Fatao
Dong, Guangming
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, 800,Dongchuan Rd, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
Dong, Guangming
Chen, Jin
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
机构:
Beijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China
Jiang, Zuhua
Zhang, Kun
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China
Zhang, Kun
Xiang, Ling
论文数: 0引用数: 0
h-index: 0
机构:
North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R ChinaBeijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China
Xiang, Ling
Yu, Gang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Jinan, Sch Elect Engn, Jinan 250022, Peoples R ChinaBeijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China
Yu, Gang
Xu, Yonggang
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China