Low frequency wireless powering of microsystems using piezoelectric- magnetostrictive laminate composites

Andrey Bayrashev; William P. Robbins; Babak Ziaie

doi:10.1016/j.sna.2004.01.007

Low frequency wireless powering of microsystems using piezoelectric- magnetostrictive laminate composites

Andrey Bayrashev, William P. Robbins, Babak Ziaie

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article › peer-review

137 Scopus citations

Abstract

This paper presents a new wireless powering technique for microsystems based on low frequency (<100Hz) excitation of a piezoelectric- magnetostrictive laminate (i.e., magnetoelectric effect). The laminate composites subjected to a magnetic field have been used to generate an electric voltage (up to 285V). Adequate power levels (10-80μW) for many microsystem applications have been generated by inserting a piezoelectric PZT sheet between two highly magnetostrictive Terbium Dysprosium Iron alloy (Terfenol-D) layers (strains of the order of 10^-3 at 2-3kG). Comparing with other remote powering techniques, this method possesses much higher voltage generation efficiency per generator volume.

Original language	English (US)
Pages (from-to)	244-249
Number of pages	6
Journal	Sensors and Actuators, A: Physical
Volume	114
Issue number	2-3
DOIs	https://doi.org/10.1016/j.sna.2004.01.007
State	Published - Sep 1 2004
Event	Selected Papers from Transducers 03 - Boston, MA, United States Duration: Jun 8 2003 → Jun 12 2003

Bibliographical note

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

Laminate composites
Magnetoelectric effect
Power generators
Terfenol-D

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N2 - This paper presents a new wireless powering technique for microsystems based on low frequency (<100Hz) excitation of a piezoelectric- magnetostrictive laminate (i.e., magnetoelectric effect). The laminate composites subjected to a magnetic field have been used to generate an electric voltage (up to 285V). Adequate power levels (10-80μW) for many microsystem applications have been generated by inserting a piezoelectric PZT sheet between two highly magnetostrictive Terbium Dysprosium Iron alloy (Terfenol-D) layers (strains of the order of 10-3 at 2-3kG). Comparing with other remote powering techniques, this method possesses much higher voltage generation efficiency per generator volume.

AB - This paper presents a new wireless powering technique for microsystems based on low frequency (<100Hz) excitation of a piezoelectric- magnetostrictive laminate (i.e., magnetoelectric effect). The laminate composites subjected to a magnetic field have been used to generate an electric voltage (up to 285V). Adequate power levels (10-80μW) for many microsystem applications have been generated by inserting a piezoelectric PZT sheet between two highly magnetostrictive Terbium Dysprosium Iron alloy (Terfenol-D) layers (strains of the order of 10-3 at 2-3kG). Comparing with other remote powering techniques, this method possesses much higher voltage generation efficiency per generator volume.

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KW - Magnetoelectric effect

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Low frequency wireless powering of microsystems using piezoelectric- magnetostrictive laminate composites

Abstract

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