Research on Demagnetization Fault Diagnosis Method of Mine Cutting Permanent Magnet Synchronous Motor

Table 3

SVM comprehensive test results.

Kernel function	Motor status	Number of test samples	Number of correct classifications	Number of misclassifications	Correct rate	Total correct rate
Linear	Normal	25	23	2	92%	90.67%
	Uniform demagnetization	25	24	1	96%
	Partial demagnetization	25	21	4	84%
Polynomial	Normal	25	23	2	92%	89.33%
	Uniform demagnetization	25	24	1	96%
	Partial demagnetization	25	20	5	80%
Radial basis	Normal	25	23	2	92%	88%
	Uniform demagnetization	25	24	1	96%
	Partial demagnetization	25	19	6	86%