A Rolling Element Bearing Fault Diagnosis Approach Based on Multifractal Theory and Gray Relation Theory

• Jingchao Li,

  Affiliation College of Electronic and Information Engineering, Shanghai Dianji University, Shanghai, China

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• Yunpeng Cao ,

  * E-mail: caoyunpeng@hrbeu.edu.cn

  Affiliation College of Power and Energy Engineering, Harbin Engineering University, Harbin, China

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• Yulong Ying,

  Affiliations School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China, Shanghai Electric Gas Turbine Co., Ltd., Shanghai, China

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• Shuying Li

  Affiliation College of Power and Energy Engineering, Harbin Engineering University, Harbin, China

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