調音器官の動特性の推定とシミュレーション

概要

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It is important to determine the rule of dynamic control for the articulatory organs and to estimate the transfer function. This report shows that the jaw movement, by assuming the jaw as a system constructed with mass, friction and elasticity, can be realized by forcing the switching control force which consists of both positive and delayed negative (which supresses the over-shooting movement caused by the positive step) step forces, and the system's constants and control forces for the jaw movements have been estimated based on the cineradiographic study, and the system shows an under-damping state. One set of estimated average system's constants may be also adaptable for any movement whenever the control forces are adjustable. For the tongue we can also construct the same system as for the jaw but it is more suitable to add an extra control force in order to realize the fast movement, and the tongue movement co-operates with the jaw's one.
山梨大学の論文