Chinese Journal of Mechanical Engineering

Table 8 Performance comparison of different GFD models

From: A Fast Multi-tasking Solution: NMF-Theoretic Co-clustering for Gear Fault Diagnosis under Variable Working Conditions

Model	Varying rotating speed		Varying load
Model	Row clustering precision (%)	Time consumption (s)	Row clustering precision (%)	Time consumption (s)
X-means	84.1	4.923 + 4.856	90.5	4.919 + 4.774
GMM methods	87.7	6.845 + 6.018	92.3	6.274 + 5.909
NMF	96.3	7.991	97.8	6.845
Modified NMF	97.0	9.362	97.8	8.647

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