用于研究语音产生控制的3D生物力学声道模型：如何考虑重力？
A 3D biomechanical vocal tract model to study speech production control: How to take into account the gravity?
摘要：
本文提出了一种建模研究的方式语音电机控制可以处理重力，以实现稳态舌头的位置。它基于ICP开发的3D生物力学舌头模型进行的模拟，该模型现在由Lambda模型（平衡点假设）控制。通过测试不同的肌肉力量/肌肉长度的关系（不变特征）的影响，短延迟orosensory反馈的姿势稳定性进行评估。提出了保持舌在Schwa位置所需的肌肉激活模式，并分析了头位、舌形和肌肉激活之间的关系。
英文摘要：
This paper presents a modeling study of the way speech motor control can deal with gravity to achieve steady-state tongue positions. It is based on simulations carried out with the 3D biomechanical tongue model developed at ICP, which is now controlled with the Lambda model (Equilibrium-Point Hypothesis). The influence of short-delay orosensory feedback on posture stability is assessed by testing different muscle force/muscle length relationships (Invariant Characteristics). Muscle activation patterns necessary to maintain the tongue in a schwa position are proposed, and the relations of head position, tongue shape and muscle activations are analyzed.
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