Nonlinear dynamics of magnetic bearing systems

JC Ji, CH Hansen, AC Zander - Journal of Intelligent …, 2008 - journals.sagepub.com
Magnetic bearings use magnetic forces to support various machine components. Because of
the non-contact nature of this type of suspension, magnetic bearing technology offers a …

AMB vibration control for structural resonance of double-gimbal control moment gyro with high-speed magnetically suspended rotor

J Fang, S Zheng, B Han - IEEE/ASME Transactions on …, 2011 - ieeexplore.ieee.org
This paper explores a robust μ-synthesis control scheme for structural resonance vibration
suppression of high-speed rotor systems supported by active magnetic bearings (AMBs) in …

Unbalance vibration suppression for AMBs system using adaptive notch filter

Q Chen, G Liu, B Han - Mechanical Systems and Signal Processing, 2017 - Elsevier
The unbalance of rotor levitated by active magnetic bearings (AMBs) will cause synchronous
vibration which greatly degrade the performance at high speeds in the rotating machinery …

Unbalance compensation for active magnetic bearing rotor system using a variable step size real-time iterative seeking algorithm

M Chuan, Z Changsheng - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
It is necessary to reduce the vibration of rotors supported on active magnetic bearings
(AMBs) with high displacement precision requirement in operation. An unbalance …

Active balancing control of AMB-rotor systems using a phase-shift notch filter connected in parallel mode

S Zheng, Q Chen, H Ren - IEEE Transactions on Industrial …, 2016 - ieeexplore.ieee.org
The vibration controllability is an important feature in the applications of active magnetic
bearings (AMBs). This paper addresses the two key challenges on the active balancing …

A two-stage synchronous vibration control for magnetically suspended rotor system in the full speed range

C Peng, M Zhu, K Wang, Y Ren… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The vibration suppression in the presence of gyroscopic effects is an important issue for safe
operations in magnetic bearing levitated varying speed rotor system. This paper proposes a …

Automatic learning control for unbalance compensation in active magnetic bearings

C Bi, D Wu, Q Jiang, Z Liu - IEEE Transactions on Magnetics, 2005 - ieeexplore.ieee.org
This paper proposes a new control scheme, automatic learning control, to eliminate
unbalance effects, which adversely affect the operation of active magnetic bearings. This …

Active vibration control of rotor imbalance in active magnetic bearing systems

J Fang, X Xu, J Xie - Journal of vibration and control, 2015 - journals.sagepub.com
Rotor imbalance causes undesirable synchronous vibrations of displacement, force and
torque. An active vibration control (AVC) method achieving the minimum vibration force and …

Suppression of imbalance vibration for AMBs controlled driveline system using double-loop structure

Q Chen, G Liu, S Zheng - Journal of Sound and Vibration, 2015 - Elsevier
Because of the couplings without off-line balancing and the uneven distribution of the rope,
the equivalent residual unbalances in the active magnetic bearing (AMB) controlled …

Research on automatic balance control of active magnetic bearing‐rigid rotor system

Y Liu, S Ming, S Zhao, J Han, Y Ma - Shock and Vibration, 2019 - Wiley Online Library
In this paper, in order to solve the problem of unbalance vibration of rigid rotor system
supported by the active magnetic bearing (AMB), automatic balancing method is applied to …