油圧サーボ系の大域安定性に及ぼす固定摩擦の影響

書誌事項

タイトル別名
  • Effect of Solid Friction on Global Stability on a Hydraulic Servo System.
  • ユアツ サーボケイ ノ タイイキ アンテイセイ ニ オヨボス コタイ マサツ

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抄録

This paper deals with the dynamic behavior and stability of a hydraulic system subjected to solid friction of a typical friction model, for example, the “negative slope” characteristic. Numerical simulation reveals a particular phenomenon in which hard self-excited vibration occurs for a disturbance beyond some critical value, despite the fact that the neutral operating point of the system is stable for the whole region of the supply pressure. Vibratory waveform is stick-slip for a smaller disturbance or sinusoidal for a larger disturbance. This multi-structural stability can occur for any friction model studied here, and can be confirmed experimentally.

収録刊行物

  • 油圧と空気圧

    油圧と空気圧 27 (2), 299-306, 1996

    社団法人 日本フルードパワーシステム学会

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