基于可变长度摆的能量收集机电系统:动态模型综述

Energies Pub Date : 2024-07-14 DOI:10.3390/en17143469
G. Yakubu, Paweł Olejnik, A. B. Adisa
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引用次数: 0

摘要

低功耗设备和传感器的供电能力引起了人们对环境振动能量收集的极大兴趣。本研究深入分析了可变长度摆锤系统与压电或电磁能量收集装置的结合应用。由于摆锤的长度可变,因此可以有效地将机械振动转化为电能。本研究涵盖了这些能量收集系统的基本理论、设计问题、建模方法和性能优化策略。本文回顾了几项研究,这些研究探讨了动态模型、阻尼系数、装置设计和激励参数对能量输出的影响。通过比较研究,展示了压电和电磁耦合技术的优缺点。本综述还探讨了基于摆锤的可变长度能量收集的技术进步和未来研究前景。文中更具体地介绍了基于可变长度摆的能量收集器的扩展模型,该模型源自改良的摆动阿特伍德机。该模型的数值模拟、估计的电流和电压输出,以及集成在 4-DOF 变长摆模型各点的电磁和压电装置产生的功率都显示出令人鼓舞的结果。这就需要进行额外的研究、修改和优化,以提高所提模型的实用性。最后,总结了开发可变长度、基于摆的能量收集器的重要动态模型,以用于创造可持续能源的一系列应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Variable-Length Pendulum-Based Mechatronic Systems for Energy Harvesting: A Review of Dynamic Models
The ability to power low-power devices and sensors has drawn a great deal of interest to energy harvesting from ambient vibrations. The application of variable-length pendulum systems in conjunction with piezoelectric or electromagnetic energy-harvesting devices is examined in this thorough analysis. Because of their changeable length, such pendulums may effectively convert mechanical vibrations into electrical energy. This study covers these energy-harvesting systems’ basic theories, design concerns, modeling methods, and performance optimization strategies. This article reviews several studies that look at dynamic models, the effects of damping coefficients, device designs, and excitation parameters on energy output. The advantages and disadvantages of piezoelectric and electromagnetic coupling techniques are demonstrated by comparative research. This review also looks at technical advances and future research prospects in variable-length, pendulum-based energy harvesting. An expanded model for an energy harvester based on a variable-length pendulum derived from the modified, swinging Atwood machine is more specifically presented. This model’s numerical simulations, estimated current and voltage outputs, and produced power from the electromagnetic and piezoelectric devices integrated at various points in a 4-DOF variable-length pendulum model all indicate encouraging results. This necessitates extra study, changes, and optimizations to improve the usefulness of the proposed model. Finally, important dynamic models on developing variable-length, pendulum-based energy harvesters for usage in a range of applications to create sustainable energy are summarized.
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