Artificial ventilation of the human respiratory system: modelling and optimization

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With large numbers of COVID-19 patients requiring mechanical ventilation and demand outstripping supply in some parts of the world, rapid development of new safe and effective ventilation systems has been an important activity since early 2020. Fluid power expertise is required for the design and implementation of the pneumatic system which is usually used for ventilator actuation. In addition, the external breathing circuit in which the patient is a part can also be understood, modelled and optimized using techniques familiar to fluid power engineers. Some examples of modelling approaches for both the internal and external ventilator circuitry are presented in this talk. In particular, a case study will be discussed in which a configuration with optimized restrictor valves is proposed to allow two patients to be connected to a single ventilator. Both simulation and experimental results indicate that pressure and flow (tidal volume) parameters can be adjusted individually for the two patients in this scenario by tailoring the restrictor valve settings.
Original languageEnglish
Publication statusPublished - 13 Apr 2021
Event10th International Conference on Fluid Power - zhejiang, China
Duration: 12 Apr 202113 Apr 2021


Conference10th International Conference on Fluid Power
Abbreviated titleICFP2021
Internet address


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