Modeling and robust control of a magnetic bearing system†
作者:
Jia‐Shing Sheu,
Tyng‐Ych Wu,
Jyh‐Ching Juang,
期刊:
Journal of the Chinese Institute of Engineers
(Taylor Available online 1999)
卷期:
Volume 22,
issue 2
页码: 139-148
ISSN:0253-3839
年代: 1999
DOI:10.1080/02533839.1999.9670451
出版商: Taylor & Francis Group
关键词: magnetic bearing;Robust control;Multi‐objective control;Controller rapid prototyping;DSP‐based controller
数据来源: Taylor
摘要:
Active magnetic bearing technology offers a number of advantages over conventional bearings including high speed, low power losses, and low maintenance costs. These benefits can, however, only be achieved by advanced signal processing and control. In this paper, a systematic approach is used to model and control a magnetic bearing system. An analytic model of the magnetic bearing system is derived whose parameters are then optimized to correlate with the measurement data. The control system is then designed based upon the model and the associated modeling error. A multi‐objective control design method that accounts for a set of robust stability and performance requirements is used to design a controller, which is then implemented using a digital signal processor board. The design is verified to improve the performance of the existing system.
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