Summed-and-Differential Harmonic Oscillations of an Unsymmetrical Shaft

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概要

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• We have already reported about subharmonic oscillations of an unsymmetrical shaft with nonlinear spring characteristics, and made clear that unique vibration phenomena which were not observed in a shaft with circular cross section appeared. Similar phenomena appear in summed-and differential harmonic oscillations of the same system. We show analytically in this report that the following types of resonance curves are obtained depending on the degrees of nonlinearity and unbalance. They are a stable resonance curve of hard spring type, a stable resonance curve of soft spring type, an unstable region where unstable vibration appears, and the case where no summed-and-differential harmonic oscillation occurs. We made experiments with an unsymmetrical shaft supported by single-row deep groove ball bearings. The above-mentioned resonance curves were obtained in experiments.

• 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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