Title :
An adaptive controller for left ventricle assist device
Author :
Wu, Y. ; Allaire, P.E. ; Tao, G.
Author_Institution :
Dept. of Mech. Eng., Virginia Univ., Charlottesville, VA, USA
Abstract :
LVAD is one possible alternative to a heart transplant for a patient with left ventricle failure. The performance of LVAD controller is critical for LVAD design. An electrical analog is used to model cardiovascular system with different levels of left ventricular failure and under different emotional and dynamic conditions. A model reference adaptive LVAD controller is developed based on this model. Simulation results show that the adaptive controller can achieve good tracking performance and good disturbance rejection even with large system parameters fluctuation.
Keywords :
adaptive control; artificial organs; cardiovascular system; controllers; haemodynamics; medical control systems; physiological models; adaptive controller; cardiovascular system model; disturbance rejection; dynamic conditions; electrical analog; emotional conditions; left ventricle assist device; left ventricular failure; system parameters fluctuation; time-varying system; tracking performance; Adaptive control; Arteries; Blood flow; Cardiovascular system; Elasticity; Heart; Immune system; Programmable control; Valves; Veins;
Conference_Titel :
Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint
Print_ISBN :
0-7803-7612-9
DOI :
10.1109/IEMBS.2002.1106540
