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Geometric Optimization of Piezoelectric Energy Harvesting System
发布日期 2012
The aim of this paper is to study the effect of geometrical optimization of an array configuration for a unimorph piezoelectric cantilever element. The process involves connecting a previously optimized unimorph piezoelectric cantilever in a two-element array, then in a three-element array. Geometrical configuration for the model, simulation results, and data analysis are provided. When the array is designed with an optimum spacing between each element and excited at its fundamental resonance frequency, the total energy stored was greatly increased. In comparison to a single piezoelectric element, the total stored energy has increased for the two element array by more than 30 times, and by more than 1800 times for the three-element array.
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