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Pressure-Flow Modeling of a Rotary Ventricular Assist Device

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2 Author(s)
Porter, J. ; Department of Electrical and Computer Engineering, Lafayette College, Easton, PA 18042 USA ; Yih-Choung Yu

A model of a rotary ventricular assist device was developed to predict the blood flow through the device using the pressure difference across the device itself. The model contains two parts: inflow and outflow. The structure and parameters of this model were identified by linear regression analysis of data acquired from animal experiments. The model performed well, with a median RMS error of 18.09% for the inflow part and a median RMS error of 16.52% for the outflow portion. This model will be integrated with a cardiovascular model in computer simulation as a platform for developing the physiological controller of the device.

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Bioengineering Conference, 2006. Proceedings of the IEEE 32nd Annual Northeast

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