Paper Title:

Study of the LQR Controller for Magnetic Flywheel Rotor System

Periodical Applied Mechanics and Materials (Volume 150)
Main Theme Research Progress of Magnetic Levitating Bearings and Some Advanced Technology
Edited by Xiping Wang, Gang Zhang, Guoqing Wu, Jiansheng Zhang, Huangqiu Zhu and Hun Guo
Pages 221-226
DOI 10.4028/www.scientific.net/AMM.150.221
Citation Xiang Long Wen et al., 2012, Applied Mechanics and Materials, 150, 221
Online since January, 2012
Authors Xiang Long Wen, Chun Sheng Song, Cao Cao, Guo Ping Ding
Keywords Flywheel Rotor, Gyroscopic Effect, LQR Controller, Unbalanced Force
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Abstract

Gyroscopic effects in the flywheel rotor greatly influence rotor stability especially at high speed. When the pole-zero position moves to right of s-plane, the damping of the pole is getting smaller, and the stability of system is getting worse with the increasing of rotor speed when the decentralized PD control law is used only. The LQR (linear quadratic regulator) control method is used to reduce gyroscopic effect and forced vibration. The simulation results show that LQR controller have a good performance on the reduction of gyroscopic effect and vibration of magnetic flywheel rotor system.