What is it about?
Smart materials can be used to recover vibratory energy present in most engineered structures and convert it into usable electrical energy. This paper shows how the smart material Galfenol can be used to design vibration harvesters that operate when the range of vibration frequencies is broad, hence increasing the ability of the harvester to capture energy that would be typically wasted.
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Why is it important?
This work is important in that it considers the effect of the electrical load on the performance of the harvester. An electrical load is required in order to collect energy and convert it into usable electrical energy.
Perspectives
This publication is part of a broader effort in my group to investigate how smart materials can provide solutions and technological innovations for the automotive and aerospace industries. This research is being conducted as part of the National Science Foundation Center on Smart Vehicle Concepts, a consortium of companies that support pre-competitive, long-term research.
Prof. Marcelo J Dapino
The Ohio State University
Read the Original
This page is a summary of: Influence of electrical impedance and mechanical bistability on Galfenol-based unimorph harvesters, Journal of Intelligent Material Systems and Structures, September 2016, SAGE Publications,
DOI: 10.1177/1045389x16666176.
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