Adaptive Control of an Active Magnetic Bearing With External Disturbance
Document Type
Conference Paper
Publication Date
9-1-2014
Publication Title
ISA Transactions
Abstract
© 2013 ISA. Published by Elsevier Ltd. All rights reserved. Adaptive back stepping control (ABC) is originally applied to a linearized model of an active magnetic bearing (AMB) system. Our control goal is to regulate the deviation of the magnetic bearing from its equilibrium position in the presence of an external disturbance and system uncertainties. Two types of ABC methods are developed on the AMB system. One is based on full state feedback, for which displacement, velocity, and current states are assumed available. The other one is adaptive observer based back stepping controller (AOBC) where only displacement output is measurable. An observer is designed for AOBC to estimate velocity and current states of AMB. Lyapunov approach proves the stabilities of both regular ABC and AOBC. Simulation results demonstrate the effectiveness and robustness of two controllers.
Repository Citation
Dong, Lili and You, Silu, "Adaptive Control of an Active Magnetic Bearing With External Disturbance" (2014). Electrical and Computer Engineering Faculty Publications. 471.
https://engagedscholarship.csuohio.edu/enece_facpub/471
DOI
10.1016/j.isatra.2013.12.028
Volume
53
Issue
5
