Table 2.

PVEH system parameter identification results.

Symbols	Parameters	Values
Cp	Clamped capacitance	8.35 nF
K	System stiffness	10,298 N/m
fsc	Short circuit resonant frequency	98.8 Hz
foc	Open circuit resonant frequency	106.3 Hz
θ	Electromechanical coupling factor	0.0037 N/V
ns	Structural loss factor	0.04218
M	Equivalent mass	26.723 g
A	Acceleration	0.1 g
Q	Mechanical quality factor	23.708
ke2	Effective electromechanical coupling coefficient	0.1576
FoM	Figure of merit	3.7342