Nonlinear Oscillation Analysis and Stabilization Control of Magnetic Domain Wall

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  • Suzuki Tomohisa
    Department of Engineering Mechanics and Energy, Graduate School of Systems and Information Engineering, University of Tsukuba
  • Okuno Hikaru
    Department of Engineering Mechanics and Energy, Graduate School of Systems and Information Engineering, University of Tsukuba

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Other Title
  • 磁壁の非線形運動解析と安定化制御
  • ジヘキ ノ ヒセンケイ ウンドウ カイセキ ト アンテイカ セイギョ

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Abstract

A chaotic region and stabilization method of domain-wall motion were examined by computer simulation. As a result, the chaotic domain-wall motion was distributed outside of (high frequency)-(large amplitude), and (low frequency)-(small amplitude) excitation region, and the bottom of region supported domain-wall resonance. In addition, the extended delayed feedback control (EDFC) method and Half-period-EDFC method that improved delayed feedback method were shown to be effective as a control method.

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