Modal Control of Two-Dimensional Bending Vibrations : Its Application to Flat Plane Speakers

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概要

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• This paper deals with a concrete design procedure of a two-dimensional model control systems which particularly serves to control the bending vibrations of elastic plates. Besides, the influence of spatial deviations in the driving force distributions upon the system response is considered from the viewpoint of the model domain. The method is applied to the control problem of flat plane speakers, which are suitable to reproduce bass sounds in acoustic systems. Two kinds of control systems for plane speakers are designed taking account of the lower four and nine modes among innumerable eigenmodes which disturb the uniform vibrations of the plates. The dynamic characteristics of the systems are experimentally investigated. The results show the practical usefulness of the method

• 一般社団法人日本機械学会の論文

著者

• Tominari Noboru

  Onlife Research Inc.

• Tominari Noboru

  Onlife Research Incorporation

• SATO Tetsuo

  Tokyo Metropolitan University

• Sato Tetsuo

  Tokyo Metropolitan College Of Aeronautical Engineering

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