A compact magnetic bearing system for axial flow blood pump

被引：0
|
作者：
Lim Tau Meng [1 ]
Cheng Shanbao [1 ]
Zhang Dongsheng [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
来源：
IMECS 2007: INTERNATIONAL MULTICONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS, VOLS I AND II | 2007年
关键词：
hybrid magnetic bearings; Lorentz-typed motor; axial flow blood pump; PID controller;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a compact magnetic bearing system has been developed for axial flow blood pumps. The system is composed of two radial hybrid magnetic bearings (HMBs) and a brushless permanent magnet DC motor. The impeller of the pump is enclosed in the rotor that is suspended by the two HMBs with five-degree of freedom (DOF) control, among which four radial directions are actively controlled, and one axial direction is passively controlled. PID controllers are used to control the HMBs. A Lorentz-typed DC motor drives the rotor in sensorless mode using STMicroelectronics ST7FMC microcontroller. The magnetic bearing system is compact: the outside diameter of the stator is 40mm and the length of the rotor is 48.72mm.
引用
收藏
页码：1591 / +
页数：2
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