Study on Speech Production with Normal or Diseased Vocal Folds from the Mechanical Viewpoint.
从机械角度研究正常或患病声带的言语产生。
基本信息
- 批准号:13680931
- 负责人:
- 金额:$ 2.37万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In human voice production, air flow from the lung and vibration of vocal folds are coupled at glottis to generate self-excited oscillation which produces sound sources. The sound sources are amplified at upper airway to produce "voice" from the mouth and nostril. The voice production is, therefore, controlled by mechanical mechanism. Hence, normal voice and diseased ones generated by the vocal folds with polyp, cancer, or nerve paralysis were studied jointly by researchers at Nagoya University (NU) and Fujita Health University (FU), aiming at establishing a diagnostic method of the diseases.Research at Nagoya University (NU) :Their previous model of voice production based on normal symmetric vocal folds was improved so that effects of distribution of stiffness, mass, and tension of the vocal folds were included in the model. The improved model was compared with normal voices measured at FU. Furthermore, their previous analytical model on un-symmetric diseased vocal folds was modified to make it easier to compare with data of patients measured at FU.Research at Fujita Health University (FU) :To examine vibration mechanics of normal and diseased vocal folds, sub-and super-glottal pressures and flow rate were measured while motion pictures of the vocal folds were taken using a laryngeal stroboscope. Especially, focusing on small vibration patterns of the sub-and super-glottal pressures, mechanical features of normal and nerve paralyzed vocal folds were studied.Based on the present joint research, further study will be planned.
在人类发声过程中,来自肺部的气流和声带的振动在声门处耦合,产生自激振荡,产生声源。声源在上呼吸道被放大,从口腔和鼻孔发出“声音”。因此,发声是由机械机制控制的。因此,名古屋大学(NU)和藤田保健大学(FU)的研究人员对声带息肉、癌、神经麻痹等引起的正常声音和病变声音进行了研究,旨在建立这些疾病的诊断方法。名古屋大学(NU)的研究:对以往基于正常对称声带的发声模型进行了改进,将声带的硬度、质量和张力分布的影响纳入模型中。将改进后的模型与FU测得的正常嗓音进行比较。此外,他们以前的分析模型对不对称的患病声带进行了修改,使其更容易与患者的数据进行比较,测量在FU.Research在藤田保健大学(FU):为了检查振动力学的正常和患病声带,下和上声门压力和流量进行了测量,而声带的运动图片拍摄使用喉频闪镜。特别是针对声门上下压的微小振动模式,研究了正常声带和神经麻痹声带的力学特性,在现有研究的基础上,计划进一步开展研究。
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
青松達哉: "非対称分布声帯モデルによる疾患時の発声の数値解析(第2報,非対称な声帯振動の数値シミュレーション解析)"日本機械学会論文集(B編). 68・667. 799-805 (2002)
青松达也:“使用不对称分布声带模型对疾病期间的发声进行数值分析(第二次报告,不对称声带振动的数值模拟分析)”日本机械工程师学会会议记录(编B)68・667。 -805(2002))
- DOI:
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- 影响因子:0
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Tadashige Ikeda: "A Numerical Analysis of Phonation Using a Two-Dimensional Flexible Channel Model of the Vocal Folds"J. of Biomechanical Engineering. Vol.123. 571-579 (2001)
Tadashige Ikeda:“使用声带二维柔性通道模型对发声进行数值分析”J。
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Tatsuya Aomatsu: "Stability Analysis of a Collapsible Tube Conveying Fluid (On Effects of Perturbations Induced by Movement of Separation Point and Length of Downstream Channel)"Transactions of JSME (B). Vol.67 No.656. 926-933 (2001)
Tatsuya Aomatsu:“可折叠管输送流体的稳定性分析(分离点移动和下游通道长度引起的扰动的影响)”JSME 汇刊(B)。
- DOI:
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- 影响因子:0
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青松達哉: "非対称分布声帯モデルによる疾患時の発声の数値解析 (第1報,発声開始肺圧の数値解析)"日本機械学会論文集(B編). 68・667. 793-798 (2002)
青松达也:“使用不对称分布声带模型对疾病期间的发声进行数值分析(第1次报告,发声开始时的肺压的数值分析)”日本机械工程学会论文集(编辑B)。 667.793-798(2002)
- DOI:
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- 影响因子:0
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青松達哉: "流体を伝えるつぶれやすい管の安定解析"日本機械学会論文集(B編). 67・656. 926-933 (2001)
青松达也:“可折叠管传输流体的稳定性分析”日本机械工程师学会会刊(ed.B)67・656(2001)。
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MATSUZAKI Yuji其他文献
MATSUZAKI Yuji的其他文献
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{{ truncateString('MATSUZAKI Yuji', 18)}}的其他基金
Study on Refined Mechanism Model of Phonation : A Model Taking Vibration of the Vocal Folds and the Resonance in the Vocal Tract into Account
发声细化机制模型研究:考虑声带振动和声带共振的模型
- 批准号:
10650168 - 财政年份:1998
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Phonation Model Based on Self-Exited Oscillation of Vocal Chords
基于声带自激振荡的发声模型
- 批准号:
08455090 - 财政年份:1996
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Research on Adaptive/Smart Space Structures.
自适应/智能空间结构研究。
- 批准号:
06805087 - 财政年份:1994
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Blood Flows in Stenotic/Collapsible Vessels
狭窄/塌陷血管中的血流
- 批准号:
04305008 - 财政年份:1992
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for Co-operative Research (A)
Vibrations of Nonlinear Systems in Aerospace Structures
航空航天结构中非线性系统的振动
- 批准号:
02650045 - 财政年份:1990
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Research on Fluid Elasticity in Space Flight Vehicle.
航天飞行器流体弹性研究。
- 批准号:
63550055 - 财政年份:1988
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Estimation of Aeroelastic Characteristics of Aerospace Planes in Increasing Speeds
航空航天飞机加速时气动弹性特性的估计
- 批准号:
60460075 - 财政年份:1985
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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