Control system design for active magnetic bearing

2009 ◽  
Author(s):  
D. Wajnert ◽  
J. Zimon
Keyword(s):  
Control System ◽  
System Design ◽  
Magnetic Bearing ◽  
Active Magnetic Bearing ◽  
Control System Design

Control System Design for AC-DC Three-Degree-of-Freedom Hybrid Magnetic Bearing

2012 ◽  
Vol 150 ◽  
pp. 144-147 ◽  
Author(s):  
Wei Yu Zhang ◽  
Ying Ruan ◽  
Xiao Yan Diao ◽  
Huang Qiu Zhu
Keyword(s):  
Control System ◽  
System Design ◽  
High Speed ◽  
Manufacturing Industry ◽  
Block Diagram ◽  
Low Cost ◽  
Magnetic Bearing ◽  
Degree Of Freedom ◽  
Control System Design ◽  
Three Degree Of Freedom

To fulfil the objective of high speed, high precision and intelligence in the modern equipment and advanced manufacturing industry, the magnetic bearing is requested to have small volume, low cost and low consumption. In this paper, an AC-DC three-degree-of-freedom hybrid magnetic bearing (AC-DC-3DOF-HMB) is studied, which integrates radial bearing and axial bearing in one of the magnetic bearing. The configuration and principle of AC-DC-3DOF-HMB are expounded, and the mathematical models of suspension forces are given. Then based on the function block diagram of AC-DC-3DOF-HMB control system, its hardware and software configuration are designed. The experiment results show that the rotor can be suspended stably with three degrees of freedom and has a good performance in anti- interference, and the feasibility of the control system design can be verified.

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