Analysis of Vibration in Hydraulic Drive System

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rights: 本文データは社団法人日本機械学会の許諾に基づきCiNiiから複製したものであるIt is well known that stick-slip motion often occurs while operating a hydraulic drive system with plane slide-ways at low speed and there are a number of researches reported on the analysis of such a motion. The authors made similar experiments with a hydraulic system with comparatively small friction and found that vibrations without sticking could occur as well as the stick-slip motion. A detailed analysis of such a motion was made and the result was compared with the experiment. The time dependency of the maximum static friction and also the variation of a part of the friction characteristic were taken into consideration. The comparison shows a striking agreement between the analysis and the experiment, justifying to a considerable extent the assumptions made in the analysis, and clarifying the fundamental mechanism of such a motion in the drive system of similar structure.
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