Loss estimation of magnetic gears

V Mateev, I Marinova - Electrical Engineering, 2020‏ - Springer
Reduction in losses is essential for the efficiency enhancement of magnetic gears. In this
paper, the power losses of a coaxial magnetic gear are estimated, based on a developed …

Eddy current losses of coaxial magnetic gears

V Mateev, M Todorova… - 2018 XIII International …, 2018‏ - ieeexplore.ieee.org
Reduction of eddy current losses is essential for magnetic gears efficiency enhancement.
These losses are resulting in output torque reduction, especially in high rotational speeds …

Magnetic Gear Design Optimization by Genetic Algorithm with ANN Controlled Crossover and Mutation

M Todorova, V Mateev… - 2021 IV International …, 2021‏ - ieeexplore.ieee.org
This paper presents a design optimization by Genetic Algorithm (GA) with controlled
crossover and mutation by Artificial Neural Network (ANN). Co-axial Magnetic Gear (MG) …

Harmonic analysis of the magnetic field of a coaxial magnetic gear

I Marinova, M Todorova… - 2017 15th International …, 2017‏ - ieeexplore.ieee.org
In this paper two constructions of a coaxial magnetic gear (CMG) have been investigated. A
2D time dependent Finite Element Method (FEM) models of the two constructions have been …

Analysis and reduction of detent effect in magnetic lead screws with parallel magnetized permanent magnet segments

Q Wang, F Gao, J Zhang, Y Li - IEEE Access, 2020‏ - ieeexplore.ieee.org
This paper deals with the analysis and suppression of detent effect in the magnetic lead
screw (MLS), which is equipped with parallel magnetized permanent magnet (PM) segments …

Magnetic modeling, comparative study and prototy** of a Triple-speed coaxial magnetic gear

A Moghimi, M Hosseini Aliabadi… - Electrical Engineering, 2021‏ - Springer
This paper proposes the electromagnetic modeling, prototype realization and test validation
of a new triple-speed coaxial magnetic gear (TSCMG) for high torque/volume applications …

Torque and Power Density of Coaxial Magnetic Gears

V Mateev, I Marinova… - 2019 II International …, 2019‏ - ieeexplore.ieee.org
In the present work, the recent positive trend in torque and power density of the coaxial
magnetic gears is discussed. Timeline of magnetic gears development according to design …

Operational Torque Characteristics of Innovative Coaxial Magnetic Gear's Constructions

M Todorova, I Marinova - 2023 18th Conference on Electrical …, 2023‏ - ieeexplore.ieee.org
In this paper a thorough investigation of the torque of innovative coaxial magnetic gear's
constructions has been made. The innovations of the construction of the coaxial magnetic …

Investigation of Coaxial Magnetic Gears with Variable Gear Ratio

M Todorova, V Mateev… - 2023 15th Electrical …, 2023‏ - ieeexplore.ieee.org
The aim of this paper is an investigation of five constructions of coaxial magnetic gears with
variable gear ratio. The influence of the gear ratio over the torque characteristics of the …

Radial and Tangential Magnetic Flux Densities Influence on the Transmitted Torque for a Coaxial Magnetic Gear

M Todorova, V Mateev… - 2021 13th Electrical …, 2021‏ - ieeexplore.ieee.org
The aim of this paper is to be shown the influence of the radial and tangential components of
the magnetic flux density on the magnetic torques of the coaxial magnetic gear. Transient …