Piezoelectric Energy Harvesting Devices: An Alternative Energy Source for Wireless Sensors

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Vibration sources</td><td align="center">Peak acceleration (m/s<sup>2</sup>)</td><td align="center">Frequency of peak (Hz)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Car engine compartment</td><td align="center">12</td><td align="center">200</td></tr><tr><td align="left">Small microwave oven</td><td align="center">2.5</td><td align="center">121</td></tr><tr><td align="left">HVAC vents in office building</td><td align="center">0.2–1.5</td><td align="center">60</td></tr><tr><td align="left">Windows next to a busy road</td><td align="center">0.7</td><td align="center">100</td></tr><tr><td align="left">Notebook computer while CD is being read</td><td align="center">0.6</td><td align="center">75</td></tr><tr><td align="left">Second story floor of busy office</td><td align="center">0.2</td><td align="center">100</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Some vibration sources and acceleration magnitude and frequency of fundamental vibration from [<a href="/journals/smr/2012/853481/#B34">61</a>].

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Table 7

Table 7: Piezoelectric Energy Harvesting Devices: An Alternative Energy Source for Wireless Sensors 