Method for acquiring initial permeability of steel plate for ship magnetic calculation

Method for acquiring initial permeability of steel plate for ship magnetic calculation

The invention discloses a method for acquiring initial magnetic permeability of a steel plate for ship magnetic calculation, which comprises the following steps of: dispersing the steel plate to be measured into N small hexahedron units, symmetrically arranging k sensors on a plane vertical to the m...

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Hauptverfasser: ZHOU GUOHUA, KOH JUN-KIL, LIU YUELIN, BIAN QIANG, HU XIN, TANG LIEZHENG, LIU SHENGDAO, LI LINFENG, WU WENQUAN, WU KENA
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator ZHOU GUOHUA
KOH JUN-KIL
LIU YUELIN
BIAN QIANG
HU XIN
TANG LIEZHENG
LIU SHENGDAO
LI LINFENG
WU WENQUAN
WU KENA
description The invention discloses a method for acquiring initial magnetic permeability of a steel plate for ship magnetic calculation, which comprises the following steps of: dispersing the steel plate to be measured into N small hexahedron units, symmetrically arranging k sensors on a plane vertical to the movement direction of the steel plate to be measured by taking the geometric center of the steel plate to be measured as the symmetric center, acquiring a magnetic field intensity vertical component generated by magnetization of the to-be-measured steel plate by the geomagnetic field horizontal component; establishing a magnetic conductivity solving model, and based on the magnetic conductivity solving model, calculating the magnetic field intensity of a target measurement position through an area score: constructing an error objective function through a magnetic field intensity vertical component and a magnetic field intensity vertical component, and performing objective function minimization on the error objective
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Method for acquiring initial permeability of steel plate for ship magnetic calculation
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