Results 31 to 40 of about 1,489,059 (277)

Reduction of cogging torque of radial flux permanent magnet brushless DC motor by magnet shifting technique

open access: yesElectrical engineering & Electromechanics, 2022
Introduction. In spite of many advantages of radial flux permanent magnet brushless DC motors it suffers from the distinct disadvantage of high cogging torque. The designer must emphasize to reduce the cogging torque during the design stage.
T. H. Panchal, A. N. Patel, R. M. Patel
doaj   +1 more source

Application of Artificial Bee Colony Algorithm and Finite Element Analysis for Optimum Design of Brushless Permanent Magnet Motor

open access: yesInternational Islamic University Malaysia Engineering Journal, 2012
: This paper develops a mathematical relationship for the purpose of designing and selecting the optimum dimensions of a brushless permanent magnet motor.
Reza Ilka, Seyyed Asghar Gholamian
doaj   +1 more source

Performance of halbach magnetized brushless ac motors [PDF]

open access: yesIEEE Transactions on Magnetics, 2003
In this paper, an anisotropic bonded NdFeB Halbach magnetised ring magnet, which is oriented in powder alignment system during injection moulding and subsequently impulse magnetised, is employed. The features of such a Halbach magnetised machine, in terms of the airgap field distribution, and the back-emf and cogging torque waveforms, etc.
Zhu, Z.Q.   +5 more
openaire   +2 more sources

Torque prediction using the flux-MMF diagram in AC, DC, and reluctance motors [PDF]

open access: yes, 1996
This paper uses the flux-MMF diagram to compare and contrast the torque production mechanism in seven common types of electric motor. The flux-MMF diagram is a generalized version of the flux-linkage versus current (ψ-i) diagram for switched-reluctance ...
Deodhar, R.P.   +3 more
core   +1 more source

Research on the fault diagnosis of dual-redundancy BLDC motor

open access: yesEnergy Reports, 2021
In aerospace drive system, the double redundancy brushless DC motor can greatly improve the reliability of drive system. In this paper a double-redundancy brushless DC motor is designed, and a mathematical model is established.
Zhaoyang Fu, Xingbang Liu, Jinglin Liu
doaj   +1 more source

A Self-Learning Solution for Torque Ripple Reduction for Non-Sinusoidal Permanent Magnet Motor Drives Based on Artificial Neural Networks [PDF]

open access: yes, 2013
This paper presents an original method, based on artificial neural networks, to reduce the torque ripple in a permanent-magnet non-sinusoidal synchronous motor.
WIRA, Patrick   +7 more
core   +1 more source

Fuzzy PID Control of Brushless Motors in Positive Pressure Respiratory Protective Masks

open access: yesJournal of Harbin University of Science and Technology
Positive pressure respiratory protection mask is used as individual protective equipment for health care workers to protect against the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2).
ZHAO Xintong   +3 more
doaj   +1 more source

Design of torque system for electric bicycle based on fuzzy PID

open access: yesThe Journal of Engineering, 2019
This article analyses the structure and working principle of the brushless DC motor, the advantages and disadvantages of PID regulation and fuzzy control are analysed as well, and puts forward the fuzzy PID motor control technology with both advantages ...
Yunhong Zheng   +2 more
doaj   +1 more source

Optimal PID controller of a brushless dc motor using genetic algorithm

open access: yesInternational Journal of Power Electronics and Drive Systems (IJPEDS), 2019
Brushless DC (BLDC) motor is commonly employed for many industrial applications due to their high torque and efficiency. This article produces an optimal designed controller of Brushless DC motor speed control depending on the genetic algorithm (GA). The
M. Ibrahim   +2 more
semanticscholar   +1 more source

Development and Performance Investigation of the Direct Brushless Torque Motor

open access: yesCommunications, 2023
The paper deals with the brushless torque motor, that was designed for precise positioning device to substitute servo drive for high torque and low speed application.
Marek Franko   +4 more
doaj   +1 more source

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