Abstract
Recently, the diagnostics and prognostics have been getting much attention in the field of vibration and play a significant role in avoiding accidents. In rotary machines, bearing failure is one of the major causes for a shutdown. The health conditions of rotary machines can be monitored through the vibration signal. Health condition indicators are needed to highlight with proper representation of fault feature for bearing prognostics. Hence, in the present paper, the vibration signature analysis of bearing has been attempted. For that purpose, in this paper, an approach of Hamiltonian theory for quantum harmonic oscillator is used for the evaluation of degradation feature from an original feature of accelerometer signals of the bearing. The main focus of this paper is to study the progress of the prognosis of degradation feature using k-Nearest Neighbours, support vector machine and decision tree. An experimental investigation on ball bearing has been conducted to see the effectiveness of the k-Nearest Neighbours, support vector machine, and decision trees by applying the acquired vibration signals. Experimental results are compared, which indicated an accurate prediction of bearing degradation and reserve information of bearing prognosis and severities.
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