Research Article
PVDF Piezoelectric Sensors for Seeds Counting and Coulter Clogging Detection in Sowing Process Monitoring
Table 1
PVDF foils parameters important for the proposed application.
| | Parameter | Value | Unit |
| | Piezoelectric coefficient d31 | 23 | 10−12 CN−1 | | Piezoelectric coefficient d33 | −33 | 10−12 CN−1 | | Capacitance Cu | 380 | pFcm−2, 1 kHz, 28 μm | | Young modulus E | 2–4 | GPa | | Dielectric permittivity | 12–13 | — | | Contact resistance | 0.1 | ohm/□ |
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