An overview on electrodynamic bearings

DK Supreeth, SI Bekinal, SR Chandranna - IEEE Access, 2022 - ieeexplore.ieee.org
In electrodynamics, the levitation ensues when there is a relative motion between a stator
and a conductor owing to which high eddy currents are induced. The repulsive forces …

Optimization of radial electrodynamic bearing using artificial neural network

DK Supreeth, SI Bekinal, RC Shivamurthy - IEEE Access, 2024 - ieeexplore.ieee.org
This article focuses on the prediction of essential bearing characteristics and optimization of
electrodynamic bearing (EDB). Initially, a sensitivity analysis was conducted, manipulating …

A bearingless motor with passive electrodynamic suspension in axial direction

GC Rubio, Y Fujii, A Chiba - IEEE Transactions on Industry …, 2021 - ieeexplore.ieee.org
This article presents a novel structure of a bearingless motor with integrated passive axial
electrodynamic suspension. The simple initial structure has been improved in three steps …

Sliding mode variable structure control strategy of bearingless induction motor based on inverse system decoupling

W Bu, X Zhang, F He - IEEJ Transactions on Electrical and …, 2018 - Wiley Online Library
A bearingless induction motor is a multivariable, nonlinear and strong coupling object. To
achieve its dynamic decoupling control with high performance and improve the system …

Dynamical modeling of passively levitated electrodynamic thrust self-bearing machines

J Van Verdeghem, M Lefebvre… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Topologies of electrodynamic thrust bearings and axial flux permanent magnet machines
exhibit a significant number of similarities. Starting from this observation, this paper …

Experimental verification of passive axial electrodynamic suspension in a bearingless motor

GC Rubio, VCH Komal, Y Fujii… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
This article investigates a bearingless motor with passive electrodynamic axial suspension.
The axial suspension force is generated by a specific coil configuration called a figure-eight …

Modeling and evaluation of dam** coefficient of eddy current dampers in rotordynamic applications

JG Detoni, Q Cui, N Amati, A Tonoli - Journal of Sound and Vibration, 2016 - Elsevier
Eddy current dampers (ECD) can be used to introduce dam** in rotordynamic
applications. ECDs are contactless in nature and can be made to introduce negligible drag …

Neural network inverse system decoupling control strategy of BLIM considering stator current dynamics

W Bu, F He, Z Li, H Zhang, J Shi - Transactions of the …, 2019 - journals.sagepub.com
The bearingless induction motor (BLIM) is a multi-variable, non-linear, strong coupling
system. To achieve higher performance control, a novel neural network inverse system …

LS-SVM inverse system decoupling control strategy of a bearingless induction motor considering stator current dynamics

W Bu, Z Li - IEEE Access, 2019 - ieeexplore.ieee.org
The bearingless induction motor (BL-IM) is a multivariable, nonlinear and strongly coupled
object, in order to achieve its dynamic decoupling control with high performance, on the …

Fully passively levitated self-bearing machine implemented within a reaction wheel

J Van Verdeghem, B Dehez - IEEE Transactions on Industry …, 2021 - ieeexplore.ieee.org
Self-bearing machines offer a highly integrated solution to achieve the rotor drive and
magnetic levitation within a single structure. Although the trend is toward a diminution in the …