Results 41 to 50 of about 3,184 (224)

System optimization by multiobjective genetic algorithms and analysis of the coupling between variables, constraints and objectives [PDF]

, 2005
This paper presents a methodology based on Multiobjective Genetic Algorithms (MOGA’s) for the design of electrical engineering systems. MOGA’s allow to optimize multiple heterogeneous criteria in complex systems, but also simplify couplings and ...
Roboam, Xavier, Régnier, Jérémi, Sareni, Bruno   +2 more
core   +2 more sources

Double Layer Magnet Design Technique for Cogging Torque Reduction of Dual Rotor Single Stator Axial Flux Brushless DC Motor

Iranian Journal of Electrical and Electronic Engineering, 2020
Cogging torque is the major limitation of axial flux permanent magnet motors. The reduction of cogging torque during the design process is highly desirable to enhance the overall performance of axial flux permanent magnet motors.
A. N. Patel, B. N. Suthar
doaj  

Employability skills for hospitality students in Malaysia [PDF]

, 2017
Malaysia needs high skilled workforce to support growth of the industry. With dynamically changing job market and progressive technological change, employees are expected to keep abreast of global economics.
Ahmad, Nor Aziah, Idris, Abdul Rahman, Kenayathulla, Husaina Banu   +2 more
core   +1 more source

A Study on Reduction of Cogging Torque and Magnet Usage through Intersect Magnet Consequent Pole Structure

Energies, 2022
Owing to the shortage of rare-earth magnetic materials, various methods are being examined to reduce the use of magnets. One of these is a consequent pole.
Si-Woo Song, Min-Ki Hong, Ju Lee, Won-Ho Kim   +3 more
doaj   +1 more source

Comprehensive analysis and evaluation of cogging torque in Axial Flux Permanent Magnet machines [PDF]

, 2015
Evaluation and minimization of cogging torque in Axial Flux Permanent Magnet (AFPM) machines become essential specially in direct drives for low speed applications.
Costa, A.F., Ferreira, Ângela P., Leite, V.   +2 more
core   +1 more source

Pole shape design of ring winding axial flux permanent magnet used in a direct‐drive electric boat for cost‐efficient cogging torque alleviation

IET Electric Power Applications, 2023
The recently introduced Ring Winding Axial Flux Permanent magnet Motor (RW‐AFPM) is inspired by the yokeless structure of Yokeless and Segmented Armature (YASA) AFPMs and the partitioned‐phases configuration of transverse flux motors.
Saber Gharehseyed, Abolfazl Vahedi, Amir Darjazini, Amin Nobahari   +3 more
doaj   +1 more source

Reduction of Cogging Torque in Dual Rotor Permanent Magnet Generator for Direct Coupled Wind Energy Systems

The Scientific World Journal, 2014
In wind energy systems employing permanent magnet generator, there is an imperative need to reduce the cogging torque for smooth and reliable cut in operation.
Sivachandran Paulsamy
doaj   +1 more source

Reduction of Cogging Torque in Permanent Magnet Motors

Journal of the Magnetics Society of Japan, 2007
EPS (Electric Power Steering) enables an increase in automotive fuel efficiency by 3-5% and contributes to the protection of the environment by eliminating the oil medium used in conventional hydraulic power steering. For this reason a sharp increase in demand for EPS is expected.
openaire   +2 more sources

Torque-ripple minimization in modular permanent-magnet brushless machines [PDF]

, 2003
This paper discusses the suitability of four-phase, five-phase, and six-phase modular machines, for use in applications where servo characteristics and fault tolerance are key requirements.
Atallah, K., Howe, D., Wang, J.B.
core   +1 more source

Cogging torque reduction by utilizing the unequal rotor slot arc method for FSPM Machines

Ain Shams Engineering Journal
Cogging torque is a crucial and offending problem for electric machines that consist permanent magnets. Flux switching permanent magnet (FSPM) machines have magnets embedded inside the stator coils. Due to the interaction between the stator magnetic flux
Emrah Cetin
doaj   +1 more source