1619 フラクタルによる圧電ポンプの騒音の解析

概要

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Fractal is one mathematical method of analysis of complicated system which complication can be described by dimension of fractal. Piezoelectric pump is a new type fluid machine, which is apt to a wide aspect of applications in such scopes as medical treatment and micromechatronics, for it's realizable to simplify and minimize its structure. The character of the noise from this new pump, which affects it deeply, however, has not been studied and reported. Firstly, there is a judgment in this paper that the noise from piezoelectric pump presents fractal, and then the relationship between the noise level and driving frequency is explained based on the theory of fractal.
2003-08-05