NDLI: The exact feedback linerization control for the 2-DOF flywheel suspended by the passive and active hybrid magnetic bearings

Content Provider	IEEE Xplore Digital Library
Author	Wen Tong Fang Jian-cheng
Copyright Year	2011
Description	Author affiliation: School of Instrumentation Science and Opto-electronics Engineering, Key-laboratory of the Inertial Technology, Beijing University of Aeronautics and Astronautics (BHU), Beijing, China (Wen Tong; Fang Jian-cheng)
Abstract	The dynamic model of the flywheel suspended by the active and passive hybrid magnetic bearings (HMBs) is nonlinear. The magnetic flux superposition and couple cause the dynamic model couple in different degrees of freedom (DOFs). In this paper the nonlinear dynamic model of the flywheel suspended by the HMBs in the radial translation DOFs has been obtained using the magnetic flux circuit calculation method and the magnetic pole integration method. And then the obtained nonlinear dynamic model has been exactly linearized to a linear one using the state feedback. A wildly used linear controller based on the obtained linear model has been designed to stabilize the original nonlinear system. In the end, the simulation results show an encouraging effectiveness of the exact linearization control method in stabilizing the nonlinear system when it suffers the disturbance force caused by the residual static imbalance mass.
Starting Page	2922
Ending Page	2926
File Size	1004200
Page Count	5
File Format	PDF
ISBN	9781457703201
e-ISBN	9781457703218
DOI	10.1109/ICECC.2011.6066838
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic flux Magnetic suspension flywheel Rotors Model development Magnetic forces Permanent magnets Exactly linearization Nonlinear dynamical systems Nonlinear control Magnetic levitation
Content Type	Text
Resource Type	Article

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