STUDY ON RESPONSE ANALYSIS OF VIBRATION SYSTEM USING LAMINATED RUBBER FOR EARTHQUAKE ISOLATION SYSTEM : Improvement on analytical method of hysteresis system and verification by experiment

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  • SHIBATA Yasuhiro
    Dept. of Mathematical Engineering, College of Industrial Technology, Nihon Univ.
  • OKAMOTO Shuichi
    Vibration Control Laboratory, Research & Development Division, Toyo Tire & Rubber Co., Ltd.
  • SHIBATA Koichi
    Dept. of Mathematical Engineering, College of Industrial Technology, Nihon Univ.

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  • 免震用積層ゴムを用いた振動系の応答解析に関する研究 : 履歴系解析手法の改良と実験による検証
  • メンシンヨウ セキソウ ゴム オ モチイタ シンドウケイ ノ オウトウ カイセキ ニ カンスル ケンキュウ リレキケイ カイセキ シュホウ ノ カイリョウ ト ジッケン ニ ヨル ケンショウ

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Abstract

We have already proposed the analytical method of hysteresis system using the restoring force model of power function type (PFT-HYS) as the vibration response analytical method when the external force affects the nonlinear vibration system. In this paper, previous PFT-HYS method is improved to enhance the accuracy by the new analytical method. We investigated continuous vibration waveforms of vibration response acceleration and hysteresis loop by improving the hysteresis rule. We examined the validity and verification of the improved method by directly comparing experimental values obtained by the forced vibrations of the vibration system using laminated rubber with other analytical values.

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