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Piezoelectric Energy Harvesting with a Nonlinear Energy Sink

机译:带有非线性能量吸收器的压电能量收集

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摘要

A novel piezoelectric energy harvesting device is presented in this paper. Different from the existing designs, the proposed apparatus is based on the principle of nonlinear energy sink (NES) in order to achieve broadband energy harvesting. First, the concept of the proposed design is described. Then the system modeling and parameter identification are addressed. The transient responses and voltage output performance of the apparatus are examined through an experimental study. The study shows that the proposed apparatus behaves similarly as the NES with the following features: initial energy dependence, 1:1 resonance, targeted energy transfer, etc. Broadband voltage output is achieved when NES is activated.
机译:本文提出了一种新型的压电能量收集装置。与现有设计不同,所提出的设备基于非线性能量吸收(NES)原理,以实现宽带能量收集。首先,描述提出的设计的概念。然后讨论了系统建模和参数识别。通过实验研究检查了设备的瞬态响应和电压输出性能。研究表明,所提出的装置具有与NES类似的功能,具有以下特征:初始能量依赖性,1:1共振,目标能量传递等。当NES激活时,可实现宽带电压输出。

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