A Multirate Sensor Information Fusion Strategy for Multitask Fault Diagnosis Based on Convolutional Neural Network

Table 1

Comparison with related works.

Framework	MSFTFI [16]	PCNN [17]	FAC-CNN [18]	MRSIFS
Data preprocessing	STFT	——	——	STFT
CNN dimension	2D	2D	1D	1D, 2D
Feature extraction	FTL, LeNet-5	LSTM, DRN	Atrous CNN	FPN [30]
Activation function	ReLU	ReLU	PReLU	PReLU
Sampling frequency	Fixed	Fixed	Different	Different