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Systems and methods for controlling and implantable blood pump

Brevet
Author
SCHEFFLER, Mattias
BARABINO, Nicolas
445889 Auteur indépendant
ccRÉBILLAT, Marc
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
ccMONTEIRO, Eric
50794 Norwegian University of Science and Technology [Trondheim] [NTNU]
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
ccMECHBAL, Nazih

URI
http://hdl.handle.net/10985/23359
Date
2022-03

Abstract

Systems and methods for controlling an implantable pump are provided. For example, the exemplary controller for controlling the implantable pump may only rely on the actuator's current measurement. The controller is robust to pressure and flow changes inside the pump head, and allows fast change of pump's operation point. For example, the controller includes, a two stage, nonlinear position observer module based on a reduced order model of the electromagnetic actuator. The controller includes an algorithm that estimates the position of the moving component of the implantable pump based on the actuator's current measurement and adjusts operation of the pump accordingly. Alternatively, the controller may rely on position measurements and/or velocity estimations.

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