Results 61 to 70 of about 338,387 (269)

Reduction of cogging torque of single phase brushless DC motor using flux barrier [PDF]

open access: yes, 2011
This paper deals with the reduction of cogging torque in a single phase brushless DC motor. The constructional features and operating principles of the developed motor is presented.
Abdul Wahab, Noor Izzri   +5 more
core   +1 more source

Analysis and Optimization of Axial Flux Permanent Magnet Machine for Cogging Torque Reduction

open access: yesMathematics, 2021
In this paper, a hexagonal magnet shape is proposed to have an arc profile capable of reducing torque ripples resulting from cogging torque in a single-sided axial flux permanent magnet (AFPM) machine.
Hina Usman   +5 more
semanticscholar   +1 more source

Employability skills for hospitality students in Malaysia [PDF]

open access: yes, 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   +2 more
core   +1 more source

Analytical Optimal Currents for Multiphase PMSMs Under Fault Conditions and Saturation [PDF]

open access: yes, 2014
An original analytical expression is presented in this paper to obtain optimal currents minimizing the copper losses of a multi-phase Permanent Magnet Synchronous Motor (PMSM) under fault conditions.
FLIELLER, Damien   +3 more
core   +5 more sources

Analysis of Cogging Torque of Permanent Magnet Motors Under Mixed-Eccentricity and Manufacturing Tolerances

open access: yesIEEE Access
The rotor eccentricity and manufacturing tolerances caused by unavoidable uncertainties in the process of manufacturing deteriorate the cogging torque of permanent magnet (PM) motors. To guide the design and optimization of PM motors, this paper proposes
Yue Zhao   +4 more
semanticscholar   +1 more source

Slot/pole Combinations Choice for Concentrated Multiphase Machines dedicated to Mild-Hybrid Applications [PDF]

open access: yes, 2011
Version de l'éditeur à l'adresse suivante : http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6119910&isnumber=6119266This paper presents multiphase permanent magnet machines with concentrated non-overlapped winding as a good candidate for ...
ASLAN, Bassel   +3 more
core   +4 more sources

Pembangunan modul pengajaran berasaskan permainan digital bagi Kursus Teknologi Elektrik 1 [PDF]

open access: yes, 2020
Pada abad ke-21 ini, pengajaran secara tradisional kurang mampu menarik perhatian pelajar dalam mempelajari sesuatu ilmu tersebut. Kementerian Pelajaran Malaysia (KPM) juga telah melancarkan program Sekolah Bestari seawal tahun 1999 yang bertujuan untuk ...
Azid, Nurulwahida   +6 more
core   +1 more source

Three-dimensional soft material micropatterning via grayscale photolithography for improved hydrophobicity of Polydimethylsiloxane (PDMS) [PDF]

open access: yes, 2022
: In this present work, we aim to improve the hydrophobicity of a polydimethylsiloxane (PDMS) surface. Various heights of 3D PDMS micropillars were fabricated via grayscale photolithog raphy, and improved wettability was investigated.
Abd Manaf, Asrulnizam   +6 more
core   +1 more source

Model of the multipolar engine with decreased cogging torque by asymmetrical distribution of the magnets

open access: yesOpen Physics, 2018
This paper presents the results of field calculations of cogging torque for a 12-pole torque motor with an 18-slot stator. A constant angular velocity magnet and the same size gap between n-1 magnets were assumed.
Goryca Zbigniew   +2 more
doaj   +1 more source

Cogging Torque Reduction Based on a New Pre-Slot Technique for a Small Wind Generator

open access: yesEnergies, 2018
Cogging torque is a pulsating, parasitic, and undesired torque ripple intrinsic of the design of a permanent magnet synchronous generator (PMSG), which should be minimized due to its adverse effects: vibration and noise. In addition, as aerodynamic power
Miguel García-Gracia   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy