BIFURCATIONS IN AN ASYMMETRIC VOCAL-FOLD MODEL

被引：257

作者：

STEINECKE, I ^{[1
]}

HERZEL, H ^{[1
]}

机构：

[1] TECH UNIV BERLIN,INST THEORET PHYS,D-10623 BERLIN,GERMANY

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1995年 / 97卷 / 03期

关键词：

D O I：

10.1121/1.412061

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

A two-mass model of vocal-fold vibrations is analyzed with methods from nonlinear dynamics. Bifurcations are located in parameter planes of physiological interest (subglottal pressure, stiffness of the folds). It is shown that a sufficiently large tension imbalance of the left and right vocal fold induces bifurcations to subharmonic regimes, toroidal oscillations, and chaos. The corresponding attractors are characterized by phase portraits, spectra, and next-maximum maps. The relevance of these simulations for voice disorders such as laryngeal paralysis is discussed.© 1995, Acoustical Society of America. All rights reserved.

引用

页码：1874 / 1884

页数：11

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