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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

ModelVarying rotating speedVarying load
Row clustering precision (%)Time consumption (s)Row clustering precision (%)Time consumption (s)
X-means84.14.923 + 4.85690.54.919 + 4.774
GMM methods87.76.845 + 6.01892.36.274 + 5.909
NMF96.37.99197.86.845
Modified NMF97.09.36297.88.647