Dynamics & Design Conference
Online ISSN : 2424-2993
セッションID: 354
会議情報
354 連続衝撃加振される薄板構造物への入力パワーの推定
森川 広一岩附 信行長澤 正佳
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会議録・要旨集 フリー

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This paper describes the identification and statistical evaluation of impact forces caused by coins falling to a storage box of a coin counter. Because of the difficulty of accurate calculation for the excitation points and magnitude of the impact forces, the virtual excitation points are assumed. The experiments about the different number and kind of coins are carried out and then the virtual forces are estimated in each experimental condition. It is confirmed that the characteristics of frequency spectra of the virtual forces depends on the number and kind of coins and has reproducibility. Next, the input power which has Gaussian probability distribution is assumed as the stochastic impact force's model. The estimated frequency responses of acceleration of the storage box coincided well with the measured values.
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© 2005 一般社団法人 日本機械学会
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