On the Nonlinear Behavior of the Piezoelectric Coupling on Vibration-Based Energy Harvesters

Figure 8

Results of experimental data (scatter), LM (scatter line), NLM-L (dashed line), and NLM-Q (solid line) models of (a) tip displacement, (b) voltage, and (c) power versus frequency at electrical resistive load of 100 kΩ.

(a)

(b)

(c)