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On energy harvesting from a vibro-impact oscillator with dielectric membranes

机译：关于带有介电膜的振动冲击振荡器的能量收集

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摘要

A vibro-impact mechanical system comprising of a ball moving freely between two dielectric membranes located at a certain distance from each other is studied. The system generates electricity when the ball moving due ambient vibrations impacts one of the membranes. The energy harvesting principle of the proposed system is explained and then used to formulate a numerical model for estimating the system output voltage. The dynamic behavior and output performance of the system are thoroughly studied under a harmonic excitation, as well as different initial conditions and various values of the restitution coefficient of the membranes. The delivered research results are useful for selecting the system parameters to achieve its optimal output performance in a realistic vibrational environment. Potential application of the proposed system for energy harvesting from car engine vibrations is presented.
机译：研究了一种振动冲击机械系统，该系统包括一个在彼此之间有一定距离的两个介电膜之间自由移动的球。当由于环境振动而移动的球撞击其中一个薄膜时，该系统发电。解释了所提出系统的能量收集原理，然后将其用于建立用于估计系统输出电压的数值模型。在谐波激励，不同的初始条件和膜的恢复系数的各种值下，对系统的动态行为和输出性能进行了深入研究。所提供的研究结果对于选择系统参数以在现实的振动环境中实现其最佳输出性能很有用。介绍了所提出的系统从汽车发动机振动中收集能量的潜在应用。

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