パーマロイを用いたトロイダル型フラックスゲートセンサの諸特性

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書誌事項

タイトル別名
  • Characteristics of the troidal core type Fluxgate sensors using the permalloy material
  • パーマロイ オ モチイタ トロイダルガタ フラックスゲートセンサ ノ ショ トクセイ

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説明

This paper describes characteristics of fluxgate sensors with troidal permalloy (Fe-Ni: alloy) core. It has been revealed that excitation conditions such as frequency and current for troidal primary coil and the output voltage provided by the detection coil are remarkably affected by the number of core layers and primary coil inductance. We have ascertained experimentally the optimal number of core layers and primary coil inductance. A high sensitivity against external magnetic field has been verified connecting the detection coil of the optimized sensor core and coil assembly to the signal processing system of the fluxgate magnetometer.

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