Chinese Journal of Mechanical Engineering

Table 2 Comparative diagnosis result

From: Particle Swarm Optimization-Support Vector Machine Model for Machinery Fault Diagnoses in High-Voltage Circuit Breakers

Diagnosis model	PSO-BP	SVM	PSO-SVM
Normal condition (%)	90	70	100
Cam offset (%)	90	80	100
Spring creep (%)	90	70	80
Over-travel (%)	70	90	100
Mechanical stuck (%)	100	90	100
Total accuracy (%)	88	80	96
Time (s)	4093	13	107

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