Sensor Fault Diagnosis Method Based on -Grey Wolf Optimization-Support Vector Machine

Table 2

Comparison of precision and kappa coefficient.

Diagnosis model	APSO-SVM	GWO-SVM	-GWO-SVM
Precision of the BFS	84.76%	92.51%	93.83%
Precision of the AFS	93.63%	94.47%	97.29%
Kappa coefficient of the BFS	84.30%	87.67%	89.91%
Kappa coefficient of the AFS	89.91%	91.03%	95.52%