Fault Diagnosis of Piezoelectric Sensor Patches for Vibration Control Based on Multifeature Fusion and Improved SVM

<div>Response signal reconstruction coefficients of piezoelectric patches: (a) normal piezoelectric patch; (b) broken piezoelectric patch; (c) degummed piezoelectric patch.</div>

Shock and Vibration

fig15

Figure 15

Figure 15: Fault Diagnosis of Piezoelectric Sensor Patches for Vibration Control Based on Multifeature Fusion and Improved SVM 