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Modeling on Left Heart Circulation System

Author: DaiJuan
Tutor: LiJin
School: Harbin Engineering University
Course: Control Theory and Control Engineering
Keywords: Left ventricular circulatory system Circuit model Arterial impedance Arterial compliance
CLC: TP399-C8
Type: Master's thesis
Year: 2008
Downloads: 90
Quote: 1
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Abstract


Cardiovascular circulatory system is one of the most complex living systems , with a high degree of dynamic characteristics . Ventricular filling and emptying of the organ in the redistribution of blood flow in the cardiovascular system and other system interactions , etc. , are constantly changed . Due to the complexity of the cardiovascular system , so far people are still unable to fully understand its internal mechanism Guchang application model to study it . The heart is set electrophysiology , kinetic , blood , fluid mechanics , as well as neurological , biochemical control is equal to an extremely complex integrated systems . Modeling and simulation is an effective means to study complex biological problems . With the powerful computing power and graphics display capabilities of the computer , and create a heart model can be in-depth study of the mechanism of cardiac activity . After the analysis of the research progress and the status quo of the cardiovascular circulatory system model , this article uses the circulatory system of the left heart left heart and arterial system coupling analog circuit model to create a simulation model in MATLAB language . By comparing with the actual physiological condition , the model simulation results meet the actual physiological variation . To be more intuitive, easy understanding of the changes of the heart to pump blood parameters in the process of beating the VC to achieve a three-dimensional dynamic beating heart curve display . In addition, through theoretical research and data analysis on the basis of physical modeling in arterial impedance tube made ??of various materials and compliance aspects of the preliminary research , the data curve , drawn tubes of a variety of materials the general impedance and compliance aspects of the law and performance . Plays an extremely important role in the human circulatory system , blood vessels , they are responsible for the connectivity of the entire human body , nutrients , energy transport . Artery impedance and compliance for artificial organs , especially the development of artificial blood vessels provide a theoretical reference , so the nerve artery disease is atherosclerosis , the majority of patients brought the gospel . The study has important practical significance .

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