Effects of Nonlinear Spring Characteristics on the Dynamic Unstable Region of an Unsymmetrical Rotor

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概要

• 論文の詳細を見る

• This paper deals theoretically and experimentally with the forced oscillation in the vicinity of the dynamic unstable region of an unsymmetrical rotor system having nonlinear spring characteristics due to ball bearings. Near this rotating speed of a shaft, an unstable region vanishes and a stable oscillation appears due to the nonlinearity. We discussed this oscillation with attention to the nonlinear components represented by the polar coordinates and clarified which component has influence on this oscillation. Since this system involves an external force due to the unbalance, nonlinearity and the characteristic of parametric resonance, we have investigated the effect of the coexistence of these factors on the vibratory phenomena. We have also compared this oscillation with the super-summed-and-differential harmonic oscillations in a symmetrical shaft system and the dynamic unstable vibration of an unsymmetrical rotor system reported previously.

• 一般社団法人日本機械学会の論文

著者

• Yamamoto Toshio

  Faculty Of Engineering Nagoya University

• 池田 高志

  東京工業大学大学院理工学研究科

• Ishida Yukio

  Nagoya University Department Of Electronic Mechanical Engineering

• Ishida Yukio

  Faculty Of Pharmaceutical Sciences The University Of Tokushima:faculty Of Home Economics Shikoku Wom

• Ishida Yukio

  Faculty Of Ceneral Education Nagoya University

• Ikeda T

  Nagoya Univ. Nagoya

• Yamamoto Tetsu

  Industrial Electronics And Systems Development Lab. Mitsubishi Electric Corporation

• Yamamoto Toshio

  Meijo University

• IKEDA Takashi

  Faculty of Engineering, Nagoya University

• Ikeda Takashi

  Faculty Of Agriculture Meiji University

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