しゅう動部摩擦を介した非対称連成力による自励振動に関する研究

概要

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In a vertical hydraulic driving system with an asymmetric load, self-excited vibration, which is different from so-called stick-slip motion, is sometimes observed. This vibration occurs only if the sliding direction of the load is downward and its amplitude increases exponentially while the amplitude of the stick-slip motion shows a limit cycle. Concerning such phenomenon, an equation of motion of two degrees of freedom which has a cross-coupling force between two masses is derived here. This theory can easily explain the phenomenon mentioned above. Experiments were also carried out and by comparing the calculated results with the measured data, it can be seen that the theory developed here is adequate. A simplified stability discriminant was also derived and was proven to be adequate as a sufficient condition by comparison with the experimental results.
社団法人日本機械学会の論文
1994-02-25