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Performance of a piezoelectric harvester in thickness-stretch mode of a plate

机译:平板厚度拉伸模式下压电收割机的性能

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摘要

We studied mechanical-to-electrical power conversion of a piezoelectric plate driven mechanically into thickness-stretch vibrations. We have derived an analytical solution from the three-dimensional equations of linear piezoelectricity that shows the role of each of the physical parameters in determining the performance of such a piezoelectric device, usually measured by the output power density, the power efficiency, or both. Numerical results are included for illustrating the dependence of the device performance upon these physical parameters.
机译:我们研究了压电板的机械-电功率转换,该压电板被机械地驱动为厚度拉伸振动。我们从线性压电的三维方程中得出了一个解析解,该解析解显示了每个物理参数在确定此类压电器件性能中的作用,通常通过输出功率密度,功率效率或两者来衡量。包括数值结果以说明器件性能对这些物理参数的依赖性。

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