Design, Construction and Evaluation of an Energy Harvesting Prototype built with Piezoelectric Materials

IF 0.9 Q3 ENGINEERING, MULTIDISCIPLINARY

Revista Facultad De Ingenieria-universidad De Antioquia Pub Date : 2020-01-24 DOI:10.17533/udea.redin.20200161

Alejandra Echeverry Velasquez, Mateo Velez Quintana, J. A. Posada-Montoya, J. A. Palacio-Fernandez

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引用次数: 0

Abstract

The piezoelectricity allows the generation of electric power taking advantage of the movement of vehicles and pedestrians. Many prototypes have been made with piezoelectric generators, but at present, their commercialization and use has not been popularized due to their low power generation and energy losses. A design of an experimental prototype of an energy harvester with piezoelectric materials that reduces these losses and generates more energy thanks to the resonance with the beams is proposed in this article. An equilateral triangular tilde is designed such it will not deform when a force act on it. The tilde has four-cantilever beams, and it is designed to resonate with the natural frequency of the piezoelectric material. This is coupled to the piezoelectric device. The vibration generated on the beam, by average of a mechanical load, is used to generate more energy when it resonates. The piezoelectric is a ceramic material and generates a nominal power of 75 mW before placing it on the beam, and 375 mW after being placed on the beam. However, the energy collection circuit has losses due to its own consumption, the transmission of energy to the storage system, and in the mechanical system.

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压电材料能量收集样机的设计、构造与评价

压电性允许利用车辆和行人的运动产生电力。利用压电发电机制作了许多原型，但目前由于其发电功率低、能量损耗小，其商业化和使用尚未普及。本文提出了一种利用压电材料的能量收集器的实验原型设计，该实验原型可以减少这些损失，并通过与光束的共振产生更多的能量。一个等边三角形波浪被设计成当一个力作用在它上面时不会变形。波浪有四个悬臂梁，它被设计成与压电材料的固有频率共振。这是与压电装置耦合的。在梁上产生的振动，平均机械载荷，用于产生更多的能量时，它的共振。压电是一种陶瓷材料，在放置在梁上之前产生75兆瓦的标称功率，在放置在梁上之后产生375兆瓦的标称功率。然而，能量收集电路由于自身的消耗、向存储系统传输能量以及在机械系统中存在损耗。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Revista Facultad De Ingenieria-universidad De Antioquia 工程技术-工程：综合

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

2 months

期刊介绍： Revista Facultad de Ingenieria started in 1984 and is a publication of the School of Engineering at the University of Antioquia. The main objective of the journal is to promote and stimulate the publishing of national and international scientific research results. The journal publishes original articles, resulting from scientific research, experimental and or simulation studies in engineering sciences, technology, and similar disciplines (Electronics, Telecommunications, Bioengineering, Biotechnology, Electrical, Computer Science, Mechanical, Chemical, Environmental, Materials, Sanitary, Civil and Industrial Engineering). In exceptional cases, the journal will publish insightful articles related to current important subjects, or revision articles representing a significant contribution to the contextualization of the state of the art in a known relevant topic. Case reports will only be published when those cases are related to studies in which the validity of a methodology is being proven for the first time, or when a significant contribution to the knowledge of an unexplored system can be proven. All published articles have undergone a peer review process, carried out by experts recognized for their knowledge and contributions to the relevant field. To adapt the Journal to international standards and to promote the visibility of the published articles; and therefore, to have a greater impact in the global academic community, after November 1st 2013, the journal will accept only manuscripts written in English for reviewing and publication. Revista Facultad de Ingeniería –redin is entirely financed by University of Antioquia Since 2015, every article accepted for publication in the journal is assigned a DOI number.