NDLI: Innovative ferrofluidic inertial sensor exploiting the Rosensweig effect

Content Provider	IEEE Xplore Digital Library
Author	Ando, B. Ascia, A. Baglio, S. Beninato, A.
Copyright Year	2009
Description	Author affiliation: DIEES - Dipt. di Ing. Elettr., Elettron. e dei Sist., Univ. of Catania, Catania, Italy (Ando, B.; Ascia, A.; Baglio, S.; Beninato, A.)
Abstract	In this work a novel inertial sensor is presented, which can be used as a low band accelerometer, a vibration sensor or an inclinometer. The device consists of a glass plate filled with deionized water surrounding a small volume of ferrofluid; a permanent magnet is used to fix the position of the ferrofluidic mass in a compliant position. The effect of an external stimulus can be estimated by measuring the perturbation produced on the ferrofluidic mass. The static friction effect is overcame by exploiting the Rosensweig effect, caused by the magnetic field acting on the ferrofluid and producing spikes whose position is linked to the quantity to be measured. The action of the forcing quantity on the spike position is monitored by the use of two external planar coils. In the proposed device the electric read-out system is decoupled from the mechanical transducer; this makes the prototype low cost and suitable for real applications.
Sponsorship	IEEE Instrum. Meas. Soc.
Starting Page	1419
Ending Page	1422
File Size	721791
Page Count	4
File Format	PDF
ISBN	9781424433520
ISSN	10915281
DOI	10.1109/IMTC.2009.5168677
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-05
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic sensors Magnetic field measurement Accelerometers Vibrations Glass Permanent magnets Friction Position measurement Monitoring Coils innovataive sensing strategy Inertial sensor ferrolfuid Rosensweig effect
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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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
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