Analytical and numerical computation of air-gap magnetic fields in brushless motors with surface permanent magnets [PDF]
, 2000 This paper extends the theory of the air-gap magnetic field in permanent-magnet (PM) brushless motors. Scalar and vector potential solutions to the field equations are brought together to unify many of the important practical methods already in use.
Davies, J.H. +4 more
core +1 more source
Optimization Design of Cogging Torque for Electric Power Steering Motors
MachinesExcessive cogging torque can cause torque fluctuations, noise, and vibration in electric power steering (EPS) motors, which is a key factor in the high-precision and high-performance optimization design of EPS motors for electric vehicles.
Guoguang Zhang, Peng Hou
doaj +1 more source
Optimal Design of IPM Motors With Different Cooling Systems and Winding Configurations [PDF]
, 2016 Performance improvement of permanent magnet (PM) motors through optimization techniques has been widely investigated in the literature. Oftentimes the practice of design optimization leads to derivation/interpretation of optimal scaling rules of PM ...
Demerdash, Nabeel +3 more
core +1 more source
Review Perbandingan Metode Meminimalkan Torsi Denyut pada Outer-rotor dan Dual-stator Generator Magnet Permanen Fluks Radial pada Teknologi Pltb Skala Kecil [PDF]
, 2016 Paper ini menyajikan review literature dari metode-metode untuk meminimalkan torsi denyut pada desain outer-rotor generator magnet permanen fluks radial dan dual-stator generator magnet permanen fluks radial.
Firmansyah, E. (Eka) +2 more
core
A fractional delay variable frequency repetitive control for torque ripple reduction in PMSMs [PDF]
, 2017 Based on the internal model principle, repetitive controller (RC) is capable to reduce periodic torque ripple by generating a compensating action that consequently need to be synchronized with the original ripple.
Formentini, Andrea +3 more
core +2 more sources
A novel HTS-PM vernier motor for direct-drive propulsion [PDF]
, 2011 In this paper, a novel high-temperature superconductor (HTS) permanent magnet (PM) vernier motor is proposed for direct-drive propulsion, which can directly offer the low-speed high-torque capability and the high-speed rotating field design to eliminate ...
Chau, KT, Li, J
core +1 more source
Reducing Cogging Torque in V-Shaped BLDC Motors: A FEA Simulation Study on the Impact of Skew Angle
MekanikaThis study thoroughly investigated the impact of stator skew angles on cogging torque in V-shape Brushless Direct Current (BLDC) motors, focusing on electric vehicle applications.
Dewi Rianti Mandasari +3 more
doaj +1 more source
A coaxial magnetic gear with halbach permanent-magnet arrays [PDF]
, 2010 This paper proposes a coaxial magnetic gear that offers higher torque density, lower cogging torque, and lower iron losses than its counterparts. The key is to newly employ a Halbach permanent-magnet (PM) array to constitute the PM poles in the inner ...
Chau, KT, Jian, L
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Cogging torque reduction of Bldc motor using level set based topology optimization incorporating with triangular finite element [PDF]
, 2010 Cogging torque in permanent-magnet brushless DC (BLDC) motor causes torque and speed ripples, as well as acoustic noise and vibration, especially in low speed and direct drive applications.
Guo, Y +4 more
core +1 more source
Analysis of the Cogging Torque Reduction in Permanent Magnet Generators for a Very Low Wind Speed
EnergiesThis research examines the magnet structure’s effect on the performance of permanent magnet generators. The permanent magnet generator’s cogging torque (CT) is one of the characteristics that this article examines.
Syamsir Abduh +2 more
doaj +1 more source