Research Article
Numerical and Experimental Studies on Nonlinear Dynamics and Performance of a Bistable Piezoelectric Cantilever Generator
Table 1
Geometric and material properties of the bistable piezoelectric cantilever generator.
| Parameter | Value |
| Elastic beam length (mm) | 75 | Elastic beam width (mm) | 22 | Elastic beam density (kg/m3) | 8500 | Elastic beam thickness (mm) | 0.38 | Substrate stiffness (GPa) | 47 | Cantilever beam mass (g) | 14.57 | Magnet mass (g) | 14.9 | Magnet volume , (mm3) | 2 × 103 | Residual flux density (T) | 1.2 | Piezoelectric patch length (mm) | 40 | Piezoelectric patch width (mm) | 20 | Piezoelectric patch density (kg/m3) | 7100 | Piezoelectric patch thickness (mm) | 0.12 | Piezoelectric patch stiffness (GPa) | 60 | Absolute permittivity (F/m) | | Vacuum permittivity (10−12 F/m) | 8.854 | Piezoelectric coefficient (C/m2) | −16.5 | Loading resistance (kΩ) | 91 |
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