J Korean Soc Med Inform.
2004 Dec;10(4):367-377.
Simulation of the Cardiovascular System Using PID Control Model
- Affiliations
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- 1Department of Biomedical Engineering, Choonhae College, Korea.
- 2Department of Electronic Engineering, College of Engineering, Pusan National University, Korea. grjeon@pusan.ac.kr
- 3Department of Biomedical Engineering, College of Medicine, Dong-A University, Korea.
- 4Department of Family Medicine, College of Medicine, Pusan National University, Korea.
- 5Department of Computer Aided Design, Doowoon Technical College, Korea.
- 6Department of Biomedical Engineering, College of Medicine, Pusan National University, Korea.
Abstract
OBJECTIVE
The electric analog circuit model can be used to analyse the various function of the cardio vascular system and the dynamic characteristics on each part of human body. According to the previous studies, viscous resistance, flow inertia, and vascular compliance in the cardiovascular system are analogous to resistance, inductance, and capacitance in electric circuit, so the cardiovascular system models have been represented by the electric circuit models. These approaches were to propose suitable models for the interested part of body and to simulate the various characteristics on the cardiovascular system.
METHODS
This paper tried to put the characteristics of morphologic structure into the suggested electric circuit model. After setting parameter values of the model the dynamic characteristics of the cardio vascular system is simulated using VisSim, which is one of the simulation tools.
RESULTS
The derived simulation results have represented major cardiovascular functions of normal adults. Also simulation results reflect the variation due to the pathophysiological state.
CONCLUSION
The controller by baroreceptor, which is one of controllers to control the cardiovascular system, is appended in the model. The dynamic response characteristics and the procedure to restore blood pressure to normal state was observed by simulation lasted a certain period of bleeding.
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