被搬送物の反作用が無視できない場合の振動機械の共振特性と駆動方法

概要

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This paper describes nonlinear vibration and control of a vibratory machine which has a large work mass. Vibration of the vibratory machine and movement of the work are coupled through normal force and friction force. The coupled vibration is nonlinear, and a resonance curve in small excited voltage has a peak in low frequency region and a resonance curve in large excited voltage has a peak in high frequency region. Transportation velocity property shows the same tendency. Driving system of the vibratory machine using self-excited vibration follows the resonance frequency change automatically, and it improves machine efficiency. Amplitude constant control of self-excited vibration pulls up the upper limits of vibration amplitude and transportation velocity. Amplitude control using variable feedback gain starts up self-excited vibration quickly, and the vibration will not contain any higher-harmonic components, which make some noise.
一般社団法人日本機械学会の論文
2000-01-25