Design and Fabrication of an Electromagnetic Stress Sensor

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Abstract:

Ferromagnetic steel material is widely used as the bearing carrier in structure, whose stress would influence the entire security. As stress has a notable influence on magnetic characteristic parameters of steel material, with analysis of basic principles, a tubular type magnetic stress sensor is proposed in this paper. We verified the rationality of the magnetic path design with finite element analysis (In FLUX), and proposed a method combined with experiment and simulation to calibrate the output voltage of the sensor. With the comparison of the simulation and experimental results, feasibility of this means is proved, providing a high efficient calibration method of this kind of stress detection sensor, showing a promising marketing value.

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567-570

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October 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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