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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2025
License: CC BY NC ND
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Design of a bearingless motor for health applications

Authors: Rodríguez Bodoque, Hugo;

Design of a bearingless motor for health applications

Abstract

En este proyecto de fin de grado se presenta el diseño electromagnético y mecánico detallado de un dispositivo de asistencia ventricular (LVDA) basado en una bomba cardiaca de flujo continuo equipada con cojinetes magnéticos activos. La combinación de la alta eficiencia energética de los actuadores electromagnéticos con la utilización de la tecnología sin contacto de cojinetes magnéticos activos permitirá potencialmente un funcionamiento preciso, eficiente y con menores daños sanguíneos en pacientes que se beneficien de esta terapia para casos de insuficiencia cardiaca grave. El dispositivo propuesto, de 40 mm de diámetro y menos de 40 mm de altura, presenta dos grados de libertad de control: uno dedicado al giro del motor eléctrico y otro para el control de la inestabilidad axial del conjunto del motor y el rodamiento magnético. El dispositivo es capaz de suministrar un par máximo de 14,89 mNm empleando una densidad de corriente de hasta 8 A/mm2 y un rango de control axial de hasta 0,54 mm, siendo a su vez estable en el resto de grados de libertad del sistema.

The electromagnetic and mechanical design of a left ventricular-assist device (LVAD) based on a continuous flow electromagnetic blood pump equipped with active magnetic bearings is presented in this final bachelor project. The combination of the high efficiency offered by electromagnetic actuators and the utilization of active magnetic bearings will allow a fine-working, efficient and less damaging operation in patients with heart failure problems who benefit from this therapy. The proposed device, with a diameter of 40 mm and a height of less than 40 mm, presents two controllable degrees of freedom: one related to the spin of the electric motor and another one for the control in the unstable axial axis of the assembled motor and magnetic bearings. The device is capable of offering a maximum torque of 14.89 mNm using a current density of 8 A/mm2 and an axial controlled range of 0.54 mm, while being stable in the rest of the system degrees of freedom.

Grado en Ingeniería en Tecnologías Industriales

Country
Spain
Related Organizations
Keywords

Bearingless motor, Permanent magnets, LVAD, Electromagnetic design, Ingeniería industrial, Industrial engineering

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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