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Magnetic Flux Density Tracking Control for the Measurement of Isomagnetic Lines

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2 Author(s)
Chun-Hsien Yang ; Nat. Cheng Kung Univ., Tainan ; Mi-Ching Tsai

A fast measurement system that can characterize a magnet during manufacturing would be a great aid to quality control. The traditional approach measures the magnetic flux density across a specified plane to precisely characterize the magnet. However, this is a time-consuming process. To speed up the magnet characterization, we have developed a new characterization concept based on isomagnetic line inspection at a designated flux density, as well as a servo control system for isomagnetic line measurement and two measuring techniques (magnetic vector tracking and triple-point searching). Experimental results verify the feasibility and performance of the proposed method.Due to the increasing use of magnets in industrial applications, a measurement system that can characterize a magnet during manufacturing has become an important issue. This will be a great aid to quality control. The traditional approach measures the magnetic flux density across a specified plane to precisely characterize the magnet. However, this is a very time consuming process. To speed up the magnet characterization, this paper proposes a new characterization concept using an isomagnetic line inspection method at a designated flux density. In addition, a servo control system for isomagnetic line measurement and two measuring techniques (magnetic vector tracking and triple-point searching) are developed. Experimental results verify the feasibility and performance of the proposed methods.

Published in:

Magnetics, IEEE Transactions on  (Volume:44 ,  Issue: 1 )