A new method for reducing hysteresis of torque sensors: Cross magnetic shaking

Ichiro Sasada, E. Nagano, K. Harada

Research output: Contribution to journalArticle

Abstract

Cross magnetic shaking, a new method for reducing hysteresis, is proposed for shaft torque sensors based on the magnetostrictive effect of the steel shaft. In this method, an auxiliary magnetic field (shaking field) is superposed perpendicularly to the exciting field while differences in permeabilities along lines of tension and of compression are detected by the field at the shaft surface. Hysteresis measured for a quench-hardened steel shaft of 25 mm diameter under the applied torque from -490 to 490 Nm was reduced by about nine times and sensitivity increased by a factor of 2.

Original languageEnglish
Pages (from-to)4919-4921
Number of pages3
JournalJournal of Applied Physics
Volume69
Issue number8
DOIs
Publication statusPublished - Dec 1 1991

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shaking
torque
hysteresis
sensors
steels
permeability
sensitivity
magnetic fields

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

A new method for reducing hysteresis of torque sensors : Cross magnetic shaking. / Sasada, Ichiro; Nagano, E.; Harada, K.

In: Journal of Applied Physics, Vol. 69, No. 8, 01.12.1991, p. 4919-4921.

Research output: Contribution to journalArticle

Sasada, Ichiro ; Nagano, E. ; Harada, K. / A new method for reducing hysteresis of torque sensors : Cross magnetic shaking. In: Journal of Applied Physics. 1991 ; Vol. 69, No. 8. pp. 4919-4921.
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