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SCIENCE CHINA Information Sciences, Volume 59, Issue 11: 112213(2016) https://doi.org/10.1007/s11432-015-5465-9

Output performance optimization for RTD fluxgate sensor based on dynamic permeability

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  • ReceivedJul 29, 2015
  • AcceptedSep 2, 2015
  • PublishedSep 30, 2016

Abstract

The output performance of residence times difference (RTD) fluxgate may vary under different driving conditions (driving currents and frequencies) and core materials. To optimize the RTD fluxgate and simplify its design process, an analytical model is employed to select the parameters and identify the effective factors that dominate the performance. The dynamic permeability parameters ($P_{i})$, which reflect the changes in the magnetization curve, are mathematically analyzed in detail. The linear variation functions of $P_{i }$ in different driving conditions are fitted by using the dynamic arctangent hysteresis model. Consequently, the selection of driving conditions and core materials, which are assessed by comparing the experiment and simulation results, has an important role in achieving the optimal output performance of the RTD fluxgate.


Funded by

National Natural Science Foundation of China(41274183)

National Natural Science Foundation of China(40904053)

Science and Technology Development Major Project of Jilin Province(20140203015GX)

. We also thank the Key Laboratory of Geo-Exploration Instrumentation(Jilin University)


Acknowledgment

Acknowledgments

This work was supported by National Natural Science Foundation of China (Grant Nos. 41274183, 40904053), and Science and Technology Development Major Project of Jilin Province (Grant No. 20140203015GX). We also thank the Key Laboratory of Geo-Exploration Instrumentation (Jilin University) Ministry of Education for their additional assistance.


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