NDLI: Modeling and automatic control of a slide-flute

Content Provider	IEEE Xplore Digital Library
Author	d'Andrea-Novel, B. Fabre, B. Coron, J.-M.
Copyright Year	2008
Description	Author affiliation: Ecole des mines de Paris, Centre de Robot., Paris (d'Andrea-Novel, B.)
Abstract	In this paper, we consider the problem of modeling and control of a slide flute : a kind of recorder without finger holes but which is ended by a piston mechanism to modify the length of the resonator (see Fig. 1). A previous study has been done (see (d'Andrea-Novel et al., 2007)), but with a very simple boundary condition for the mouth, corresponding to an ideal situation assuming that the acoustic pressure is zero at the entrance of the resonator. In this work, we have taken into account a more realistic model, describing the coupling effects between the jet and the pipe. The jet is obtained by blowing through a flue channel and formed by flow separation at the flue exit, and finally directed towards a sharp edge, called the labium (see Fig. 1). The resulting structure can then be seen as a nonlinear oscillator coupled with the pipe which is a linear acoustic resonator. A modal analysis is performed using the linearized boundary conditions which can also be used to compute the suitable blowing pressure and the suitable pipe length to obtain a desired fundamental frequency or equivalently a desired pitch. This will constitute the basis of our control algorithm.
Starting Page	1568
Ending Page	1573
File Size	991177
Page Count	6
File Format	PDF
ISBN	9781424425044
DOI	10.1109/MED.2008.4602061
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-25
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automation Conferences
Content Type	Text
Resource Type	Article

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