弾性軸を有するロータ系のふれまわりに伴う回転速度動揺分岐現象 Bifurcation Phenomena of Hunting in Revolution Speed of a Rotor System with Elastic Shaft Caused by Whirling Motion

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Since 1950s, vibrations in the drive-rotor-effector system (rotor system) have been researched without losing interests. An application of rotor system, for example, a flywheel energy storage system, is recently focused on. Therefore the analysis of the rotor vibrations at the critical revolution speed still seems to be a substantial topic. In the mechanical engineering field, the dynamical behavior of the rotor is discussed by means of the simplified model, that is Jeffcott rotor. Most of the studies deal with the amplitude of the whirling motion of the rotor under the assumption that the revolution speed of the rotor is regarded as a input. In general, however, the input from a drive (i. g., motor, engin, and so on.) to the rotor is torque. So it seems important to discuss the behavior of the system under the situation that torque is engaged as a input to the rotor. In this paper, a whirling motion in a DC motor-rotor-DC generator system used as a rotor system is experimentally discussed based on the output voltage of the generator. The results show that at the mechanical resonant state, the hunting appears to the revolution speed of the rotor even in the constant input torque situation. Furthermore it is clarified that the output voltage shows quasi-periodicity, multifractal, mode-lock and chaotic oscillations, and the existence of hysteretic jumps at the appearance and the disappearance of the oscillation.

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  • 電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society  

    電気学会論文誌. D, 産業応用部門誌 = The transactions of the Institute of Electrical Engineers of Japan. D, A publication of Industry Applications Society 118(11), 1266-1271, 1998-11 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10002727467
  • NII書誌ID(NCID)
    AN10012320
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09136339
  • NDL 記事登録ID
    4588436
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-1608
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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