Early Fault Diagnosis Model Design of Reciprocating Compressor Valve Based on Multiclass Support Vector Machine and Decision Tree

Table 4

Classification results based on the DT-SVM.

No.	Fault 1	Fault 2	Fault 3	Fault 4	Diagnosis result
1	1	0	0	0	Normal
2	1	0	0	0	Normal
3	0	2	1	0	Valve plate wear
4	0	1	2	0	Valve spring failure
5	0	1	0	2	Valve fracture
6	0	2	1	0	Valve plate wear
7	0	1	2	0	Valve spring failure
8	0	1	0	2	Valve fracture