Investigation of disc-type brushless motor with PM bearing for LVADs

Author

Jingjing Su ; Jipeng Li ; Yang Jiang ; Wei Wang ; Hang Gao ; Zhifu Han ; Lei Zhang

Author_Institution

Beijing Res. Inst. of Precise Mechatron. & Controls, Beijing, China

fYear

2014

fDate

22-25 Oct. 2014

Firstpage

1078

Lastpage

1081

Abstract

A disc-type brushless motor with PM (permanent magnet) bearing used in LVAD (left ventricular assist device) is investigated. The structural design of the motor is discussed firstly, and then, the performance of the motor and PM bearing is analyzed with 3D magnetic field analysis. Finally, the temperature rise of motor is simulated to find whether it suits the work condition of LVADs. With the advantages of small volume, light weight, low temperature rise, no damage to blood due to no mechanical bearing, the animal experiment shows that, the disctype motor with PM bearing could run safely and reliably, its performance meets the requirements of LVADs.

Keywords

brushless machines; cardiology; discs (structures); machine bearings; magnetic fields; permanent magnet motors; prosthetics; 3D magnetic field analysis; LVAD; PM bearing; animal experiment; disc-type brushless motor; left ventricular assist device; mechanical bearing; permanent magnet bearing; Blood; Brushless motors; Force; Magnetic fields; Permanent magnet motors; Permanent magnets; Rotors;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems (ICEMS), 2014 17th International Conference on

Conference_Location

Hangzhou

Type

conf

DOI

10.1109/ICEMS.2014.7013648

Filename

7013648