OSCILLATIONS CAUSED BY SOLID FRICTION IN A HYDRAULIC DRIVING SYSTEM (1ST REPORT, IN THE CASE OF MAXIMUM STATIC FRICTION EQUAL TO KINETIC FRICTION WITHOUT SLIPPING).

Eisuke Takano, Toshiaki Hara, Masato Saeki

研究成果: Article

1 引用 (Scopus)

抄録

Oscillations caused by solid friction in hydraulic driving systems are treated theoretically. The system consists of a table lying on a rectilinear sliding surface, an actuater cylinder, a 4-way servo valve, a relief valve, an oil pump and so on. The solid friction force considered is assumed to vary with the relative sliding velocities between the table and sliding surface, namely the friction-velocity characteristic is given by a polygon having two straight line segments and the critical value of static friction is equal to the value of kinetic friction without slipping. The stick-slip motions of the table are analyzed considering the 4-way valve pressure-flow characteristic, friction-velocity relation, oil compressibility and the sizes of the hydraulic driving elements. Several types of limit cycles and the regions in which they occur are shown in figures according to the parameters mentioned above. Lastly, the steady-state displacement waves of the table are described and the curves of amplitudes and their periods are given.

元の言語English
ページ(範囲)1391-1400
ページ数10
ジャーナルNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
53
発行部数491
出版物ステータスPublished - 1987 7
外部発表Yes

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Hydraulics
Friction
Kinetics
Pressure relief valves
Stick-slip
Compressibility
Pumps
Oils

ASJC Scopus subject areas

  • Mechanical Engineering

これを引用

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abstract = "Oscillations caused by solid friction in hydraulic driving systems are treated theoretically. The system consists of a table lying on a rectilinear sliding surface, an actuater cylinder, a 4-way servo valve, a relief valve, an oil pump and so on. The solid friction force considered is assumed to vary with the relative sliding velocities between the table and sliding surface, namely the friction-velocity characteristic is given by a polygon having two straight line segments and the critical value of static friction is equal to the value of kinetic friction without slipping. The stick-slip motions of the table are analyzed considering the 4-way valve pressure-flow characteristic, friction-velocity relation, oil compressibility and the sizes of the hydraulic driving elements. Several types of limit cycles and the regions in which they occur are shown in figures according to the parameters mentioned above. Lastly, the steady-state displacement waves of the table are described and the curves of amplitudes and their periods are given.",
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