A Broadband Vibration-Based Energy Harvester Using an Array of Piezoelectric Beams Connected by Springs

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/9614842/figures/9614842.fig.0014a.svgz" name="9614842.fig.0014a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Experimental</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/9614842/figures/9614842.fig.0014b.svgz" name="9614842.fig.0014b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Analytical</td></tr></table>

<div>Power FRF for the three beams with and without springs and electrical connection in parallel to a resistive load of <svg height="8.39864pt" id="M196" style="vertical-align:-0.04981995pt" version="1.1" viewbox="-0.0498162 -8.34882 6.36303 8.39864" width="6.36303pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="480" vert-adv-y="480"></glyph.data></g></svg> kΩ: (a) experimental measurement, (b) analytical results.</div>

Shock and Vibration

fig14

Figure 14

Figure 14: A Broadband Vibration-Based Energy Harvester Using an Array of Piezoelectric Beams Connected by Springs 