首页|Fault detection and diagnosis in electric motors using 1d convolutional neural networks with multi-channel vibration signals
Fault detection and diagnosis in electric motors using 1d convolutional neural networks with multi-channel vibration signals
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NSTL
Elsevier
? 2022 Elsevier LtdFault detection and diagnosis in time series data are becoming mainstream in most industrial applications since the increase of monitoring sensors in machinery. Traditional methods generally require pre-processing techniques before training; however, this task becomes very time-consuming with multiple sensors. Recently, deep learning methods have shown great results on time series data. This paper proposes a multi-head 1D Convolution Neural Network (1D CNN) to detect and diagnose six different types of faults in an electric motor using two accelerometers measuring in two different directions. This architecture was chosen due to each head can deal with each sensor individually, increasing feature extraction. The proposed method is verified through a series of experiments with seven different induced faults and operation conditions. The results show that the proposed architecture is very accurate for multi-sensor fault detection using vibration time series. Since the experiments are based on real electric motors and faults, these results are promising in real applications.
1D Convolution Neural NetworkFault diagnosisMulti-head deep neural networkMulti-sensor systemsVibration
NSTL
Elsevier
