非線形逆系を用いた肺胞気炭酸ガス濃度の定値制御

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タイトル別名
  • Respiratory Control System with Nonlinear Inverse to Maintain Constant Alveolar CO, Concentration
  • ヒセンケイ ギャクケイ オ モチイタ ハイホウ キタンサン ガス ノウド ノ

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抄録

The new method of controlling respiratory system to maintain constant alveolar CO2 concentration is proposed. The controlled system is regarded as a two-input single-output system whose inputs are metabolic rate and air ventilation rate while the output is alveolar CO2 concentration. The metabolic rate which cannot be easily observed is theoretically reproduced by using nonlinear inverse of the given controlled system. The contribution of metabolic rate change to the output value of alveolar CO2 concentration is theoretically calculated and it can be compensated from the other explicit input terminal whose value can be easily set, by using the input function of air ventilation rate obtained from the nonlinear dynamic compensator.

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