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Mathematical Problems in Engineering
Volume 2014 (2014), Article ID 271053, 7 pages
Research Article

Modelling and Simulation of Volume Controlled Mechanical Ventilation System

1School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China
2Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK

Received 6 May 2014; Revised 10 June 2014; Accepted 12 June 2014; Published 1 July 2014

Academic Editor: Yuxin Zhao

Copyright © 2014 Yan Shi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Volume controlled mechanical ventilation system is a typical time-delay system, which is applied to ventilate patients who cannot breathe adequately on their own. To illustrate the influences of key parameters of the ventilator on the dynamics of the ventilated respiratory system, this paper firstly derived a new mathematical model of the ventilation system; secondly, simulation and experimental results are compared to verify the mathematical model; lastly, the influences of key parameters of ventilator on the dynamics of the ventilated respiratory system are carried out. This study can be helpful in the VCV ventilation treatment and respiratory diagnostics.