NDLI: Design and FPGA implementation of a radial controller for 4-axis Magnetic bearings

Content Provider	IEEE Xplore Digital Library
Author	Zhang Li Liu Kun Chen Xiaofei
Copyright Year	2010
Description	Author affiliation: College of Astronautics and Material Engineering, National University of Defense Technology, Changsha 410003, China (Zhang Li; Liu Kun; Chen Xiaofei)
Abstract	The FPGA-based radial controller of a four-axis Magnetic bearing to meet the need of momentum flywheels for attitude control system of spacecraft is designed. The control strategy involves decentralized PD control, cross feedback control and generalized notch filter. The decentralized PD and cross feedback control strategy is implemented by distribution of poles and zeros of the compensator; the generalized notch filter is designed based on coordinate transformations. In the FPGA implementation of the controller, the floating-point IP core is used to implement the combined control algorithm and the method of repeat utilization of the logic resources is adopted. Only 150,000 equivalent logic gates are used. The experiment results show that the performance of the controller is satisfying.
Starting Page	117
Ending Page	121
File Size	287250
Page Count	5
File Format	PDF
ISBN	9781424462636
e-ISBN	9787894631046
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-29
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Chinese Association of Aut
Subject Keyword	Instruments Floating-point Operation Magnetic Bearings FPGA Tin Logic gates Feedback control Flywheels Controller Field programmable gate arrays Magnetic levitation
Content Type	Text
Resource Type	Article

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