Research Article
Lamb Wave Directional Sensing with Piezoelectric Fiber Rosette in Structure Health Monitoring
Table 2
Experimental maximum voltage amplitude of various piezoelectric sensors.
| | Frequency | 20 kHz | 40 kHz | 60 kHz | 80 kHz | 100 kHz | 120 kHz |
| | Voltage of PF (mV) | 8.17 | 6.48 | 5.26 | 2.95 | 3.68 | 4.30 | | Voltage of MFC (mV) | 5.45 | 1.29 | 2.02 | 2.71 | 1.33 | 1.20 | | Voltage of PS (mV) | 132.73 | 63.86 | 23.67 | 30.73 | 21.87 | 4.70 | | Voltage of PD (mV) | 36.30 | 32.00 | 9.87 | 4.72 | 4.16 | 3.83 |
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