METHOD AND APPARATUS FOR CALIBRATING MAGNETOSTRICTION SENSITIVITY

METHOD AND APPARATUS FOR CALIBRATING MAGNETOSTRICTION SENSITIVITY

PROBLEM TO BE SOLVED: To obtain a method and an apparatus and for calibrating magnetostriction sensitivity, which can also properly and easily obtain the magnetostriction sensitivity for a curved tube. SOLUTION: In the method for calibrating the magnetostriction sensitivity, a phased compressive loa...

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Hauptverfasser: UNISHI HIROYUKI, IIMURA SHOICHI, SAKAI SADAAKI
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
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creator UNISHI HIROYUKI
IIMURA SHOICHI
SAKAI SADAAKI
description PROBLEM TO BE SOLVED: To obtain a method and an apparatus and for calibrating magnetostriction sensitivity, which can also properly and easily obtain the magnetostriction sensitivity for a curved tube. SOLUTION: In the method for calibrating the magnetostriction sensitivity, a phased compressive load, from a direction perpendicular to a plane formed by the tube axis of the curved tube 6, acts on the curved tube 6 by a jack 9, and the stress generated in the curved tube 6 is measured by a strain gauge 11; an electrical signal of a magnetostriction sensor 12, outputted in response to the stress, is detected; and the magnetostriction sensitivity of the magnetostriction sensor for the curved tube is obtained from the measured stress and the electrical signal outputted from the magnetostriction sensor. The apparatus uses the method for calibrating the magnetostriction sensitivity. COPYRIGHT: (C)2005,JPO&NCIPI
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SOLUTION: In the method for calibrating the magnetostriction sensitivity, a phased compressive load, from a direction perpendicular to a plane formed by the tube axis of the curved tube 6, acts on the curved tube 6 by a jack 9, and the stress generated in the curved tube 6 is measured by a strain gauge 11; an electrical signal of a magnetostriction sensor 12, outputted in response to the stress, is detected; and the magnetostriction sensitivity of the magnetostriction sensor for the curved tube is obtained from the measured stress and the electrical signal outputted from the magnetostriction sensor. The apparatus uses the method for calibrating the magnetostriction sensitivity. 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subjects MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
title METHOD AND APPARATUS FOR CALIBRATING MAGNETOSTRICTION SENSITIVITY
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