Theoretical and Experimental Study of Nonlinear and Electro-Magneto-Mechanical-Based Piezoelectric Vibration Energy Harvester

Table 2

Parameters of the equivalent model.

Description	Parameter	Value	Unit
Equivalent stiffness of the substrate plate A, substrate plate D, and host beam		16	N/m
		10	N/m
		400	N/m
Equivalent mechanical damping of the substrate plate A, substrate plate D, and host beam		0.0064	Ns/m
		0.00512	Ns/m
		0.8	Ns/m
Equivalent mass of the substrate plate A, substrate plate D, and the host beam		40	g
	mb	1000	g
Amplitude of the base sinusoidal excitation		0.005	m
Electromechanical effect coefficient		0.001	N/V
Clamped capacitance of the piezoelectric		50.2	nF
External resistor load		1	MΩ