Results 171 to 180 of about 27,076 (217)

Cogging Torque Reduction in Multiple Permeance Harmonic PMVM Based on PM Design Parameters Optimization

International Conference on Electrical Machines and Systems
As one of the key issues in the design and manufacturing of permanent magnet (PM) motors, cogging torque causes an increase of torque ripple, which significantly compromises the positioning accuracy of PM servo motors.
Chenyu Wang, Y. Sui, Wei Liu, Hongxing Wu, J. Bai, Ping Zheng   +5 more
semanticscholar   +1 more source

Cogging Torque Reduction in A Transverse-flux Flux-reversal Permanent Magnet Motor

2022 IEEE 5th International Electrical and Energy Conference (CIEEC), 2022
The transverse-flux flux-reversal PM motor (TF-FRM), which combines the technologies of transverse-flux motor and flux-reversal motor, has been proposed in forgoing work to improve the torque generation capability of motor.
Xiaobao Yang, Bo Luo, Yu Zhou, Hong Miao, B. Kou   +4 more
semanticscholar   +1 more source

Cogging Torque Reduction by Using Double Skew of Permanent Magnets in Axial Gap Motor

International Conference on Electrical Machines, 2022
This paper describes the reduction of cogging torque by designing the permanent magnets in the axial gap motor. In this method, the side shapes of the permanent magnet are designed as a multiplicative waveform.
D. Sato, R. Maejima, W. Kitagawa, T. Takeshita   +3 more
semanticscholar   +1 more source

Cogging Torque Reduction of Axial-Modular Flux Switching Permanent Magnet Machine by Module Combination Technique

IEEE Transactions on Transportation Electrification
Flux switching permanent magnet (FSPM) machine exhibits high-cogging torque due to the doubly salient topology and high air gap flux density. This article proposes a new axial-modular FSPM (AM-FSPM) machine, which has an improved torque capability and ...
P. Su, Yiwei Wang, Yongjian Li, W. Hua, Yi Shen   +4 more
semanticscholar   +1 more source

Reduction of Cogging Torque by Notching Groove on Magnets in SMPMSM

2019 22nd International Conference on Electrical Machines and Systems (ICEMS), 2019
Surface mount permanent magnet synchronous motor (SMPMSM) is widely used in industrial fields. In order to improve its working accuracy, the cogging torque needs to be reduced. This paper studies the effect of notching groove on magnets on cogging torque in SMPMSM.
Tao Hong, Xiaohua Bao, Wei Xu, Jinlong Fang, Yixiang Xu   +4 more
openaire   +1 more source

Achieving Magnetic Force and Cogging Torque Reduction in a Permanent Magnet Generator with Concentrated Slot Technique and Pole Arc Optimization at Magnet Edge

International Conference on Electrical Machines and Systems
The objective of this study is to minimize cogging torque in permanent magnet machines (PMMs) utilized for renewable energy generation. The primary concern identified is the interaction between the magnetic flux of the rotor and the slot opening of the ...
S. Abduh, Tajuddin Nur, E. Muljadi, Herlina   +3 more
semanticscholar   +1 more source

Study on the Noise Reduction of BLDC Fan Motor by Cogging Torque Reduction

The Transactions of The Korean Institute of Electrical Engineers, 2013
It is very important to diminish noise source of electric motor systems that are used for home appliance area. We have studied on the noise reduction of BLDC motor, mainly focusing on reducing noise source from cogging torque. This noise source causes resonance of fan & motor systems.
Hyoun-Jeong Shin, En-Sang Lee
openaire   +1 more source

Permanent Magnet Synchronous Motor Magnet Designs with Skewing for Torque Ripple and Cogging Torque Reduction

2007 IEEE Industry Applications Annual Meeting, 2007
This paper examines the torque ripple and cogging torque variation in surface mounted permanent magnet synchronous motors with skewed rotor. The effect of slot/pole combinations and magnet shapes on the magnitude and harmonic content of torque waveforms in a PMSM drive has been studied.
Rakib Islam, Iqbal Husain, Abbas Fardoun, Kevin McLaughlin   +3 more
openaire   +1 more source

Cogging Torque Reduction of Dual Stator Machine Using Hybrid Magnet Excitation

IEEE Transactions on Transportation Electrification
This article presents a method to reduce cogging toque for dual stator machine (DSM) using hybrid magnet excitation (HMDSM). HM excitation is composed of a ferrite magnet on the outer stator and a NdFeB magnet on the rotor, in which NdFeB magnet is ...
Haitao Wang, Yumeng Sha, Shuhua Fang, Wei Xu   +3 more
semanticscholar   +1 more source

Reduction of Cogging Torque and Torque Ripple in Modulated Pole Machines by Geometrical Changes

7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014), 2014
In recent years significant improvements in the field of Modulated Pole Machines (MPMs) have been achieved, especially in electric vehicles applications. MPMs such as Transverse Flux Machines (TFMs) are known for producing high torque densities; though further research and improvements are needed to reduce the inherently high cogging torque and torque ...
N. Ahmed, J. Washington, N.J. Baker, G.J. Atkinson   +3 more
openaire   +1 more source