Mathematical Problems in Engineering / 2013 / Article / Tab 10

Research Article

Simultaneous-Fault Diagnosis of Automotive Engine Ignition Systems Using Prior Domain Knowledge and Relevance Vector Machine

Table 10

Evaluation results of the binarization approach and the proposed framework for fault diagnosis.

Binarization Proposed framework

Feature ExtractionNoneWPT + PCA + DKWPT + PCA + DK
ClassificationSVMSVMPCRVM
thresholdNoneNonePSO-optimized threshold = 0.7147
-measure over
 Overall cases0.45180.67920.8891
 Single fault cases0.45000.74040.9567
 Simultaneous fault cases0.45280.64550.7714