NDLI: Two-DOF Micro Magnetostrictive Bending Actuator for Wobbling Motion

Content Provider	IEEE Xplore Digital Library
Author	Ueno, T. Higuchi, T.
Copyright Year	1965
Abstract	We propose a two-DOF micro bending actuator using Iron-Gallium alloy (Galfenol). The actuator consists of two parallel beam structures using Galfenol core, square rod of 1-mm² area and 11-mm length with ditches of 0.3-mm width. The beams in the core are wound coils and bonded to an iron end cap to construct close magnetic circuit. The orthogonal parallel beams which the push-pull elongation prebiased by permanent magnets provide bending deformation in two directions, X and Y. The advantages of the actuator are simple and rigid configuration generating high force and the identical first bending resonance frequencies of X, Y inherited form the symmetric structure. The displacement, linear round zero current, was observed varied from -15 to 15 mum at both directions. The wobbling motion with amplified displacement around resonance frequencies was also demonstrated. The actuator driven by small power supply will be applicable for cutting or drilling device for, e.g., minimally invasive surgery.
Sponsorship	IEEE Magnetics Society
Starting Page	4078
Ending Page	4080
Page Count	3
File Size	512136
File Format	PDF
ISSN	00189464
Volume Number	44
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetostriction Actuators Magnetic cores Resonant frequency Minimally invasive surgery Iron alloys Wounds Coils Bonding Magnetic circuits wobbling Galfenol magnetostriction microactuator micromachining parallel beam structure two-DOF
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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