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

Table 4

LSSVM 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	24	1	96%	98.67%
	Uniform demagnetization	25	25	0	100%
	Partial demagnetization	25	25	0	100%
Polynomial	Normal	25	23	2	92%	92%
	Uniform demagnetization	25	24	1	96%
	Partial demagnetization	25	22	3	88%
Radial basis	Normal	25	25	0	100%	94.67%
	Uniform demagnetization	25	23	2	92%
	Partial demagnetization	25	23	2	92%