Figure 10

(A) Power harvested as a function of the cantilever excitation frequency for a = 5.4 g, \({R}_{opt}\)=80 \(\mathrm{M\Omega }\), no bias. The resonant frequency \({f}_{opt}\)(40 Hz) is highlighted by a blue dashed line. (B) Power harvested as a function of the load resistance (\({R}_{load}\)) for a = 5.4 g, \({f}_{opt}.\) The optimal load resistance \({R}_{opt}\) is highlighted by a blue dashed line. (C) Power harvested as a function of the acceleration amplitude (blue circles), for the resonant frequency \({f}_{opt}\), \({R}_{opt}\)=80 \(\mathrm{M\Omega }\). Comparison with the capacitive harvester (orange circles, E = 96 V). (D) Pick power as a function of the acceleration amplitude (blue circles), for the resonant frequency \({f}_{opt}\), \({R}_{opt}\)=80 \(\mathrm{M\Omega }\).