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首页> 外文会议>Conference on Active and passive smart structures and integrated systems; 20090309-12; San Diego, CA(US) >Piezoelectric energy harvesting from multifunctional wing spars for UAVs - Part 2: experiments and storage applications
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Piezoelectric energy harvesting from multifunctional wing spars for UAVs - Part 2: experiments and storage applications

机译：无人机多功能机翼翼梁的压电能量收集-第2部分：实验和存储应用

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This paper is the second part of a two-part series investigating the development of multifunctional piezoelectric energy harvesting devices to be used in unmanned aerial vehicle and micro air vehicle applications. The proposed self-charging structures include piezoelectric layers and novel thin-film battery layers bonded to a substrate layer in order to create a multilayer, self-charging, load bearing energy harvesting device. Part 1 of this work (coupled modeling and preliminary analysis) presents a distributed parameter electromechanical model used to predict the response of the proposed self-charging structures under harmonic base excitation. The model is compared to experimental results and found to be quite accurate. This paper investigates the fabrication and experimental evaluation of the self-charging structures. A detailed analysis of the thin-film batteries used in the self-charging structures is carried out, and their electrical and mechanical performance is evaluated. Typical charge and discharge curves are generated and analyzed. The fabrication process involved in creating self-charging structures is also outlined, including details on bonding of the layers and establishing electrical connections. A simple energy harvesting circuit is designed to allow the transfer of energy from the piezoelectric layers to the battery layers. Lastly, the energy harvesting performance of the self-charging structure is evaluated and typical charge and discharge time histories are recorded for the structure under base excitations.
机译：本文是由两部分组成的系列文章的第二部分，该系列文章探讨了用于无人机和微型飞行器的多功能压电能量收集装置的开发。所提出的自充电结构包括压电层和粘结到衬底层的新型薄膜电池层，以产生多层的，自充电的，承载能量的收集装置。这项工作的第1部分（耦合建模和初步分析）提出了一种分布式参数机电模型，用于预测所提出的自充电结构在谐波基激励下的响应。该模型与实验结果进行了比较，发现非常准确。本文研究了自充电结构的制造和实验评估。对用于自充电结构的薄膜电池进行了详细的分析，并评估了它们的电气和机械性能。生成并分析典型的充电和放电曲线。还概述了创建自充电结构所涉及的制造过程，包括有关各层结合和建立电连接的详细信息。设计了一个简单的能量收集电路，以允许将能量从压电层传输到电池层。最后，评估了自充电结构的能量收集性能，并记录了在基础激励下该结构的典型充电和放电时间历史。

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