Analysis of The Behavior of Kurtosis by Utilizing Triangle Model

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概要

• 論文の詳細を見る

• Among many dimensional and dimensionless amplitude parameters, Kurtosis (4-th normalized moment of probability density function) is recognized to be the sensitive good parameter for machine diagnosis. Kurtosis has a value of 3.0 under normal condition and the value generally goes up as the deterioration proceeds. But there are cases that kurtosis value goes up and then goes down when damages increase as time passes. In this paper, simplified calculation method of kurtosis is introduced for the analysis of impact vibration including affiliated impact vibration. Affiliated impact vibration is approximated by triangle and simplified calculation method is introduced. Varying the shape of triangle, various models are examined and above phenomenon is traced and its reason is clarified by the analysis. Utilizing this method, the behavior of kurtosis is forecasted and analyzed while watching machine condition and correct diagnosis is executed.

• 大阪府立大学の論文

著者

• Higuchi Yuki

  Graduate School of Economics, Osaka Prefecture University

• Takeyasu Kazuhiro

  College of Economics, Osaka Prefecture University

• Higuchi Yuki

  Graduate School Of Economics Osaka Prefecture University

• Takeyasu Kazuhiro

  College Of Economics Osaka Prefecture University

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