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首页> 外文会议>ASME international design engineering technical conferences and computers and information in engineering conference 2013 >MICRO CANTILEVER ELECTROSTATIC ENERGY HARVESTER
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MICRO CANTILEVER ELECTROSTATIC ENERGY HARVESTER

机译：微悬臂式静电能量收集器

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摘要

In this paper, we present a SDOF model of an energy harvester made up of microcantilever beams with tip mass. We investigate performance utilizing electrostatic actuation mechanism resulted from an electret layer patterned underneath the tip mass. The excitation force is transferred to cantilever beams through the vibration of the fixed end, i.e. the base of the beam. The model accounts for the mechanical and electric parameters as well as the coupling between them, and it includes design parameters by lumping them into nondimensional quantities, thereby allowing an easier understanding of their effects and the interaction between the mechanical and electric forces. We study the static behavior of deflection and electric charge as a function of the DC static voltage. In addition, we simulate the dynamic response, generate the frequency-response curves for a variety of conditions, and notice nonlinear effects.
机译：在本文中，我们提出了由具有尖端质量的微悬臂梁组成的能量收集器的SDOF模型。我们研究了利用静电激励机制产生的性能，该机制是由尖端质量下方的驻极体层形成的。激发力通过固定端（即梁的基部）的振动传递到悬臂梁。该模型考虑了机械和电气参数以及它们之间的耦合，并且通过将它们集中到无量纲的量中来包含设计参数，从而可以更容易地理解它们的作用以及机械力和电气力之间的相互作用。我们研究了偏转和电荷的静态行为与直流静态电压的关系。另外，我们模拟动态响应，生成各种条件下的频率响应曲线，并注意非线性效应。

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