Model Building of Artificial Valves for Realtime computer control of assist devices

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  • 補助循環制御に用いる人工弁モデルについて

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Abstract

This paper concerns with building a practical mathematical model of artificial valves used for assist devices. This model, together with the models of the cannulas, the pump sac, the pneumatic driver, and the cardiovascular model, is loaded in the control computer, being referred to for real-time control of the cardio-circulatory system. The model dynamics, with a pressure drop of the valves as the input and a volume flow through them as the output, is assumed to have four parameters to be identified. The identified value of them by a single input-output relation is true for a variety of pumping condition with 0 to 2 Hz. Simulatión results of an overall assist system model including the valve model meet well the experimental data by the mock circulation.

Journal

  • Jinko Zoki

    Jinko Zoki 10 (1), 35-38, 1981

    JAPANESE SOCIETY FOR ARTIFICIAL ORGANS

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