Magnetic performance measurement and mathematical model establishment of main core of magnetic modulator

2017 13th IEEE International Conference on Electronic Measurement & Instruments (ICEMI) Pub Date : 2017-10-01 DOI:10.1109/ICEMI.2017.8265906

Zhou Liren, Yang Xin, Pan Yang, Zhu Li

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引用次数: 7

Abstract

In order to investigate the relationship and effect on the performance of magnetic modulator among applied DC current, excitation source, excitation loop current, sensitivity and induced voltage of detecting winding, this paper measured initial permeability, maximum permeability, saturation magnetic induction intensity, remanent magnetic induction intensity, coercivity, saturated magnetic field intensity, magnetization curve, permeability curve and hysteresis loop of main core 1J85 permalloy of magnetic modulator based on ballistic method. On this foundation, employ curve fitting tool of MATLAB; adopt multiple regression method to comprehensively compare and analyze the sum of squares due to error (SSE), coefficient of determination (R-square), degree-of-freedom adjusted coefficient of determination (Adjusted R-square), and root mean squared error (RMSE) of fitting results. Finally, establish B-H curve mathematical model based on the sum of arc-hyperbolic sine function and polynomial.

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2017 13th IEEE International Conference on Electronic Measurement & Instruments (ICEMI)

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