Power Efficiency of Energy Harvester Driven by Harmonic Excitation with Amplitude Perturbation

<div>The effective output power generated on the electric load (<i>R</i>) as a function of parameter <svg height="8.68572pt" id="M117" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 8.46388 8.68572" width="8.46388pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z"></path></g></svg> for <span class="nowrap"><svg height="8.55521pt" id="M118" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 37.9365 8.55521" width="37.9365pt" 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="M545 106L524 126C493 85 467 65 455 65C438 65 427 113 405 238C448 295 498 362 543 439L533 448L478 435C453 386 423 331 398 295H395C370 404 347 448 282 448C169 448 23 309 23 153C23 54 65 -12 128 -12C203 -12 283 70 339 155H341C360 29 380 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Advances in Materials Science and Engineering

fig8

Figure 8

Figure 8: Power Efficiency of Energy Harvester Driven by Harmonic Excitation with Amplitude Perturbation 