BRIGE: Adaptive Vibrational Energy Harvesting Systems through Semi-Passive Control of Nonlinear Oscillators
BRIGE:通过非线性振荡器半被动控制的自适应振动能量收集系统
基本信息
- 批准号:1342070
- 负责人:
- 金额:$ 17.44万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-09-01 至 2016-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
ECCS-1342070Roundy, ShadrachUniversity of UtahBRIGE: Adaptive Vibrational Energy Harvesting Systems through Semi-Passive Control of Nonlinear OscillatorsABSTRACTIntellectual Merit: Vibrations are ubiquitous in many wireless sensor application spaces, and have been widely proposed as a potential source of power. A continuing issue with vibration energy harvesters is the very tight linkage between the specific parameters of the vibration environment and the structural parameters of the harvester necessary for efficient power generation. In reality, most vibration sources change with time, and therefore a harvester that adapts to its vibration environment could potentially operate much more efficiently and provide a stable source of power over a broad range of operating environments as does a battery. This BRIGE project proposes a new method of providing such adaptability through control of the nonlinear stiffness function of duffing oscillators. The research seeks to address the following questions: under what circumstances is closed loop control beneficial, and under what circumstances will active tuning of a nonlinear harvester outperform active tuning of a linear harvester? Understanding the conditions under which closed loop control can provide a net increase in power and the relationship between the characteristics of input vibrations and the optimal type of structure to control will lay the groundwork for efficient adaptable vibration energy harvesters. The models and data generated by this research will lead to further work on optimal control techniques for nonlinear harvesters.Broader Impacts: The field of energy harvesting for wireless sensors is accessible to and has wide appeal across age groups and levels of technological sophistication. Leveraging that interest, this project will integrate two outreach activities with the express goal of broadening participation and interest in engineering careers among high school aged female students. The College of Engineering sponsors an annual summer camp designed to expose young women to a variety of engineering careers with hands-on experiential learning. A module will be developed for use in this camp in which students design, build, and test a simple piezoelectric accelerometer and energy harvester. The second activity is to sponsor interactive kinetic energy harvesting sculpture design projects for both undergraduate students and students at a local high school. During the first year of this grant, the principle investigator will supervise the sculpture project as part of the senior design course, and the following year he will sponsor the project at a local high school as a joint engineering / art class project. The sculpture design has the potential to engage artistically minded students who may not otherwise be interested in careers in engineering and science.
ECCS-1342070 Roundy,Shadrach犹他大学BRIGE:通过非线性振荡器的半被动控制的自适应振动能量收集系统摘要知识优势:振动在许多无线传感器应用空间中无处不在,并已被广泛提议作为一种潜在的电源。 振动能量采集器的持续问题是振动环境的特定参数与高效发电所需的采集器的结构参数之间的非常紧密的联系。 实际上,大多数振动源随时间而变化,因此,适应其振动环境的收割机可能会更有效地操作,并在广泛的操作环境中提供稳定的电源,就像电池一样。 BRIGE项目提出了一种新的方法,通过控制Duffing振子的非线性刚度函数来提供这种适应性。 该研究旨在解决以下问题:在什么情况下是闭环控制有益的,在什么情况下,将主动调谐的非线性收割机优于主动调谐的线性收割机? 了解闭环控制可以提供功率净增加的条件以及输入振动特性与控制结构的最佳类型之间的关系,将为高效自适应振动能量采集器奠定基础。 本研究所产生的模型和数据将导致进一步的工作非线性harvesters.Broader影响的最优控制技术:无线传感器的能量收集领域是访问和具有广泛的吸引力,跨年龄组和技术复杂程度。 利用这一兴趣,该项目将整合两项外联活动,明确目标是扩大高中女生对工程职业的参与和兴趣。 工程学院赞助一年一度的夏令营,旨在让年轻女性接触各种工程职业,并进行实践体验式学习。 一个模块将被开发用于在这个阵营中,学生设计,建造和测试一个简单的压电加速度计和能量采集器。 第二项活动是为本科生和当地一所高中的学生赞助互动动能收集雕塑设计项目。 在该补助金的第一年,主要研究者将监督雕塑项目作为高级设计课程的一部分,第二年他将在当地高中赞助该项目作为联合工程/艺术类项目。 雕塑设计有可能吸引那些可能对工程和科学职业不感兴趣的有艺术头脑的学生。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Shad Roundy其他文献
Preface for the Special Issue of Energy Harvesting
- DOI:
10.1007/s40684-019-00150-0 - 发表时间:
2019-08-13 - 期刊:
- 影响因子:5.600
- 作者:
Shad Roundy;Miso Kim;Gil-Yong Lee;Sung-Hoon Ahn - 通讯作者:
Sung-Hoon Ahn
Cutaneous Leishmaniasis of the Lower Lip in a United States Soldier
- DOI:
10.1016/j.joms.2007.12.045 - 发表时间:
2008-07-01 - 期刊:
- 影响因子:
- 作者:
Shad Roundy;Jeffrey Almony;Theodore Zislis - 通讯作者:
Theodore Zislis
Shad Roundy的其他文献
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{{ truncateString('Shad Roundy', 18)}}的其他基金
U.S.-Ireland R&D Partnership: Highly efficient magnetoelectric nano-antenna arrays with wide operational bandwidth
美国-爱尔兰 R
- 批准号:
2320320 - 财政年份:2023
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
Collaborative Research: Space Charge Induced Flexoelectric (SCIF) Transducers: A New Technology to Eliminate the Environmental Cost of Leaded Piezoelectric Transducers
合作研究:空间电荷感应柔性 (SCIF) 传感器:消除含铅压电传感器环境成本的新技术
- 批准号:
2247453 - 财政年份:2023
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
CAREER: Powering Micro Scale Biomedical Implants through Controlled Low Frequency Magnetic Fields and Multiferroic Transducers
职业:通过受控低频磁场和多铁性换能器为微型生物医学植入物提供动力
- 批准号:
1651438 - 财政年份:2017
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
Enabling Millimeter Scale Deeply Implanted Glucose Sensors through Ultrasonic Power Transfer and a Novel Glucose Sensing Mechanism
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- 批准号:
1408265 - 财政年份:2014
- 资助金额:
$ 17.44万 - 项目类别:
Standard Grant
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