Key result
A dynamic compensator technique for left atrial controller design demonstrated acceptable, robust control performance of left atrial pressure in computer simulations.
A dynamic compensator technique can provide robust control of left atrial pressure in a simulated artificial heart drive system.
Simulation results do not support clinical adoption; leaves open in vivo validation of dynamic compensators for artificial hearts.
This paper describes the application of a dynamic compensator technique to the left atrial controller design for use with a portable artificial heart drive system. The compensator is designed using a method in the field of multivariable control. This controller design is based on the physical models of the actuator and blood pump system. The analysis shows that there exists a minimal compensator with a dimension of one. The computer simulation demonstrates the acceptable, robust control performance of the left atrial pressure for a relatively small parameter variation of the vascular system model when all the poles of the closed-loop system are assigned to appropriate values.
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Tadashi Kitamura (1990) studied Artificial heart drive system. Dynamic compensator technique for left atrial controller design was evaluated on Control performance of left atrial pressure. A dynamic compensator technique for left atrial controller design demonstrated acceptable, robust control performance of left atrial pressure in computer simulations.
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