HYBRID MAGNETIC BEARINGS FOR A CENTRIFUGAL BLOOD PUMP

机译：离心式血泵的混合磁性轴承

获取原文

获取原文并翻译 | 示例

页面导航

摘要
著录项
相似文献
相关主题

摘要

A hybrid passive/active magnetic bearing system was designed for a rotary centrifugal blood pump being developed for long-term circulatory support for heart failure patients. This system consists of two axially spaced bearing combinations for complete magnetic levitation of the rotor using only a single-axis active control. Each bearing combination comprises a pair of axially oppositely polarized permanent magnet rings on the rotor and a similar pair in the stator housing for both radial support and axial bias flux, and an electromagnetic coil to actively control the rotor axial position. The design permits a relatively large radial clearance between rotor and stator, and provides sufficient radial/axial stiffness, active controllability over the desired axial travel of the rotor. The bearing characteristics were evaluated by electromagnetic finite element analysis. The prototype pump was fabricated and levitated using a PID controller with zero-force balance algorithm to stabilize the rotor in the thrust direction and minimize the power draw. The experimental results confirmed the efficacy of the proposed magnetic bearing design and associated control algorithm.

机译：为旋转离心血泵设计了一种混合式被动/主动磁轴承系统，该系统正在为心力衰竭患者提供长期循环支持。该系统由两个轴向间隔的轴承组合组成，仅使用单轴主动控制即可完全实现转子的磁悬浮。每个轴承组合均包括一对在转子上的轴向相反极化的永磁环，以及在定子壳体中的一对用于径向支撑和轴向偏磁通量的永磁环，以及一个电磁线圈，用于主动控制转子的轴向位置。该设计允许在转子和定子之间具有相对较大的径向间隙，并提供足够的径向/轴向刚度，以及对转子所需轴向行程的主动可控性。通过电磁有限元分析来评估轴承特性。使用具有零力平衡算法的PID控制器制造并悬浮了原型泵，以使转子在推力方向上稳定并最大程度地降低了功率消耗。实验结果证实了所提出的电磁轴承设计和相关控制算法的有效性。

著录项

来源
《American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference; 20071022-24; San Diego,CA(US)》|2007年|P.91|共1页
会议地点 San DiegoCA(US)
作者
Zhaohui Ren; Said Jahanmir; Hooshang Heshmat; James Walton;
展开▼
作者单位

Mohawk Innovative Technology, Inc., Albany, NY 12205;

展开▼
会议组织
原文格式 PDF
正文语种 eng
中图分类机械摩擦、磨损与润滑;
关键词

相似文献

外文文献
中文文献
专利

1. Design analysis and performance assessment of hybrid magnetic bearings for a rotary centrifugal blood pump. [J] . Ren Z, Jahanmir S, Heshmat H ASAIO journal . 2009,第4期

机译：旋转离心血泵混合电磁轴承的设计分析和性能评估。
2. Modeling and control of a magnetic bearing system for the magnetically suspended centrifugal blood pump. [J] . Kim H, Kim HC The international journal of artificial organs . 2000,第10期

机译：磁悬浮离心血泵的电磁轴承系统的建模和控制。
3. Development of a small magnetic levitated centrifugal blood pump using a radial type self-bearing motor and axial position change of rotor-impeller by rotational magnetic field [J] . Hiroyuki ONUMA, Toru MASUZAWA, Michiko MURAKAMI Mechanical Engineering Journal . 2017,第5期

机译：利用径向自轴承电动机和旋转磁场引起的叶轮轴向位置变化开发小型磁悬浮离心血泵
4. HYBRID MAGNETIC BEARINGS FOR A CENTRIFUGAL BLOOD PUMP [C] . Zhaohui Ren, Said Jahanmir, Hooshang Heshmat, ASME/STLE International Joint Tribology Conference . 2007

机译：用于离心血液泵的混合磁轴承
5. Hydrodynamic forces in centrifugal pump and compressor impellers in volute casings: Measurements using magnetic bearings and CFD simulations. [D] . Baun, Daniel Otto. 2002

机译：蜗壳中的离心泵和压缩机叶轮中的流体动力：使用磁性轴承和CFD模拟进行测量。
6. Optimization of a Hybrid Magnetic Bearing for a Magnetically Levitated Blood Pump via 3-D FEA [O] . Shanbao Cheng, Mark W. Olles, Aaron F. Burger, -1

机译：通过3-D FEA的磁悬浮血液泵的混合磁轴承优化
7. Proposal for a cost-effective centrifugal rotary blood pump: design of a hybrid magnetic/hydrodynamic bearing [O] . Hilton Andrew 100

机译：关于具有成本效益的离心式旋转血泵的建议：混合磁/流体动力轴承的设计
8. Pump Control Index for Reducing Suction and Backflow Effect Caused by the Portable Centrifugal Blood Pump [R] . Lin, Y. H. , Chou, N. K. , Chen, Y. Y. , 2002

机译：降低便携式离心式血泵引起的吸气和回流效应的泵控制指数

HYBRID MAGNETIC BEARINGS FOR A CENTRIFUGAL BLOOD PUMP

摘要

著录项

相似文献

相关主题

期刊订阅