An Effective Fault Feature Extraction Method for Gas Turbine Generator System Diagnosis

Table 7

Confusion matrix for SVM under polynomial kernel with and without feature extraction.

		Predicted classes
	Class	1	2	3	4	5	6	7	8	9	∑
True classes	1	6	2	2	0	0	0	0	0	0	10
	2	4	3	1	0	2	0	0	0	0	10
	3	0	0	3	0	4	1	0	2	0	10
	4	0	0	1	5	2	0	0	0	2	10
	5	0	0	3	0	3	3	1	0	0	10
	6	0	0	0	2	1	5	2	0	0	10
	7	0	0	0	0	1	3	4	2	0	10
	8	0	0	0	2	0	4	0	4	0	10
	9	0	0	0	0	3	0	3	0	4	10
	∑	10	5	10	9	16	16	10	8	6	90

Accuracy = correct classification/all cases = 41.11%.