Magnetic field analysis method, magnetization analysis device, and recording medium with computer program
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United States of America Patent
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May 1, 2012
Grant Date -
Mar 11, 2010
app pub date -
Oct 31, 2007
filing date -
Oct 31, 2006
priority date (Note) -
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Abstract
It is possible to perform accurate magnetization analysis by considering the magnetic state of an incomplete magnetic region. A magnetization analysis device performs magnetization analysis by using a magnetizer parameter associated with a magnetizer and a magnet parameter associated with a magnet material so as to calculate a magnetization magnetic field applied to respective portions of the magnet material (S17), calculates a recoil ratio permeability and a coercivity as region of a permanent magnet as an analysis object for the respective portions according to the calculation result of the magnetized magnetic field and the demagnetization curve associated with the incomplete magnetization region actually measured in advance (S18), and performs a magnetic field analysis by using the calculation result of the region parameter so as to calculate a state parameter indicating the magnetized state of the permanent magnet as an analysis object (S19).
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