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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