Stability-based system for bearing fault early detection

作者：

Highlights：

• Novel Stability-based system for early bearing fault detection.

• Novel use of Dynamic Time Warping and Direct Matching Point techniques.

• Findings on continuous monitoring of vibration signals with low false alarms for faults

• Findings on two publicly available databases under several machining conditions.

摘要

•Novel Stability-based system for early bearing fault detection.•Novel use of Dynamic Time Warping and Direct Matching Point techniques.•Findings on continuous monitoring of vibration signals with low false alarms for faults•Findings on two publicly available databases under several machining conditions.

论文关键词：Bearing fault detection,Direct matching points,Dynamic time warping,Stability analysis,DTW,Dynamic Time Warping,DMP,Direct Matching Points,N,Normal vibration signal,OR,Outer race,IR,Inner race,B,Balls,b,Ball diameters,D,Pitch diameters,D,Pitch diameters,ΔP,Local stability,di,Faulty severities,τ,Temporal frame,nc,Number of cycles,fs,Sampling rate,frpm,Rotation speed,T,Total duration of signal,ψ,Number of divisions of a recorder signal,ν,Number of total comparison,H2,Hellinger distance,g(x),Fault-free signal pdf,f(x),Faulty signal pdf

论文评审过程：Received 5 July 2016, Revised 16 February 2017, Accepted 17 February 2017, Available online 24 February 2017, Version of Record 2 March 2017.

论文官网地址：https://doi.org/10.1016/j.eswa.2017.02.030