AXIAL-FLOW BLOOD PUMP ACCELERATION CONTROL METHOD BASED ON A START-UP PROCESS DYNAMIC MODEL

被引：0

作者：

Xu Yan ^{[1
]}

Pang Youxia ^{[1
]}

Cheng Lizhi ^{[1
]}

Liang Liang ^{[1
]}

机构：

[1] Changsha Univ, Dept Mech & Elect Engn, Changsha, Hunan, Peoples R China

来源：

TRANSACTIONS OF THE CANADIAN SOCIETY FOR MECHANICAL ENGINEERING | 2017年 / 41卷 / 05期

基金：

中国国家自然科学基金;

关键词：

large gap; magnetic drive; start-up; dynamics; axial-flow blood pump; SPEED CONTROL; MOTOR;

D O I：

10.1139/tcsme-2017-504

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The principle of a large gap magnetic drive system was used to achieve control of an axial-flow blood pump. A dynamic model of the start-up process of the axial-flow blood pump was established. It was analyzed and simulated. An acceleration control method for the blood pump was proposed based on the start-up process dynamic model. A corresponding parameter measurement test system was set up, and experimental data were compared with the results of the theoretical simulation. Results indicated that the experimental values obtained for the blood pump outlet pressure and flow rate changed similarly with the values obtained using theoretical simulation. These changes occurred simultaneously with the change in speed of the blood pump over time, and the driving control target value was reached within 4 seconds.

引用

页码：691 / 705

页数：15

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