Results 11 to 20 of about 210,752 (303)
The electric machine and the control system determine the performance of the electric vehicle drivetrain. Unlike rare-earth magnet machines such as permanent magnet synchronous machines (PMSMs), synchronous reluctance machines(SynRMs) are manufactured ...
Olaoluwa Demola Aladetola +5 more
doaj +1 more source
Brushless DC Motor Current Prediction Torque Ripple Suppression
Aiming at the torque ripple problem of brushless DC motor, a current predictive control method combined with commutation overlap method is proposed to suppress the commutation torque ripple Based on the analysis of the cause of the commutation torque ...
LDegang, ZHANG Chenguang, HOU Zhengdong
doaj +1 more source
A Method to Determine the Torque Ripple Harmonic Reduction in Skewed Synchronous Reluctance Machines
In this paper, a discrete skew methodology is presented to understand the effect of skewing angle on electromagnetic torque in SynRM design. A new approach is proposed to estimate the amplitude of each torque ripple component as a function of skewing ...
César Gallardo +3 more
doaj +1 more source
Torque ripple reduction of a direct-drive permanent-magnet synchronous machine by material-efficient axial pole pairing [PDF]
This paper investigates a material-efficient axial pole pairing method for torque ripple reduction in a direct-drive outer-rotor surface-mounted permanent-magnet synchronous machine.
Patrick Chi-Kwong Luk +3 more
core +1 more source
Rotating pole piece magnetic gear with low torque ripple [PDF]
Rotating pole piece magnetic gear (RPMG) employs flux modulation principle to rotate a ferromagnetic pole piece instead of the conventional permanent magnet.
Sulaiman, E. +2 more
core +1 more source
Torque ripple reduction in homopolar poly-phase transverse flux machine
The problem of high ripple in output torque is inherent to switched reluctance and permanent magnet machines compared to conventional machines. Torque ripple is undesirable as it leads to increased audible noise, speed ripple, and fatigue.
Priyanka Golatgaonkar +2 more
doaj +1 more source
Direct torque control of brushless DC drives with reduced torque ripple [PDF]
The application of direct torque control (DTC) to brushless ac drives has been investigated extensively. This paper describes its application to brushless dc drives, and highlights the essential differences in its implementation, as regards torque estimation and the representation of the inverter voltage space vectors.
Liu, Y., Zhu, Z.Q., Howe, D.
openaire +2 more sources
A Self-Learning Solution for Torque Ripple Reduction for Non-Sinusoidal Permanent Magnet Motor Drives Based on Artificial Neural Networks [PDF]
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
This paper proposes a torque ripple reduction for brushless DC (BLDC) permanent magnetic (PM) motor drive based on the DC-link voltage pulse amplitude modulation (PAM).
Ching-Lon Huang +5 more
doaj +1 more source
Core Losses and Torque Ripple in IPM Machines: Dedicated Modeling and Design Trade Off [PDF]
The proper combination of stator and rotor slot numbers is pursued in the design of interior permanent-magnet (IPM) motors with wide constant-power speed range.
P. Guglielmi +12 more
core +1 more source

