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An optimal control algorithm for intra-aortic balloon pumping
Conference proceeding

An optimal control algorithm for intra-aortic balloon pumping

O Barnea, B Smith, T.W Moore and D Jaron
Images of the Twenty-First Century. Proceedings of the Annual International Engineering in Medicine and Biology Society, pp 1419-1420
1989

Abstract

Automatic control Availability Biomedical engineering Constraint optimization Convergence Heart Myocardium Optimal control Optimization methods Performance analysis
An unconstrained univariate optimization method was adapted to control an intra-aortic balloon pump operating under constraints in a time-varying environment. Of the four physiologically motivated constraints, minimum step size and maximum step size of the search affect the rate of convergence of the optimization algorithm. Their values were determined from computer simulations. The other constraint, the time range of allowed balloon deflation times within the cardiac cycle, was determined on the basis of previous experience with the device. The algorithm is implemented in a microprocessor based controller and successfully tested in preliminary dog experiments.< >

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Engineering, Biomedical
Instruments & Instrumentation
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