Results 81 to 90 of about 2,663 (214)

Cogging Torque Reducing in Dual-Rotor Motor by Suitable Selection Inner and Outer Slot Opening Widths [PDF]

, 2011
In order to reduce the cogging torque in dual-rotor permanent magnet (PM) ring torque motor, the expression of cogging torque is deduced on the motor, and the influence rules of the resulting cogging torque are analyzed with change the inner and outer ...
Cheng Yuan Wang, Yu Ji Zhao, Ting Dong, Jia Kuan Xia   +3 more
core   +1 more source

Research on Cogging Torque Reduction of Direct-Drive Type Dual-Rotor Radial Flux Permanent Magnet Synchronous Motor for Electric Propulsion Aircraft

Energies
The direct-drive type high-torque-density motor is one of the most promising solutions of electric propulsion for aircraft. The cogging torque of the direct-drive motor causes torque ripple, vibration, and noise, which seriously affect the stability and ...
Haomin Li, Minglu Feng, Li Lei, Yingsan Geng, Jianhua Wang   +4 more
doaj   +1 more source

Force Analysis and Torque Production of the Doubly Salient Parallel Path Magnetic Machine

IET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
This paper presents an in‐depth mathematical analysis of torque and force production mechanisms in the Doubly Salient Parallel Path Magnetic Motor (DS‐PPMM). Electromagnetic force distribution, torque ripple characteristics and the contributions of magnetic salience are analysed through analytical modelling and verified by finite element analysis.
Maryam Salehi, Madhav Manjrekar
wiley   +1 more source

Design and Implementation of Position-Based Repetitive Control Torque Observer for Cogging Torque Compensation in PMSM [PDF]

, 2019
In permanent magnet machines, the cogging torque caused by reluctance variations in the air gap may degrade the speed control performance in low speed and will undoubtedly limit its operational range.
Chun-Ju Wu, Lon-Jay Cheng, Mi-Ching Tsai
core   +1 more source

Suppression of DC Winding Current Harmonics in Wound‐Field Machines Under PWM Excitation by Using Active Voltage Injection and LC Low‐Pass Filters

IET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
In this paper, the LC low‐pass filter is designed and connected in parallel with the DC winding of the MFMWF machine to suppress the high‐frequency sideband harmonics in the DC winding current for the first time. The suppression effect is validated by experiments.
Zhimian Wang, Lai Jin, Zhongze Wu, Wei Hua, Wentao Zhang, Ming Cheng   +5 more
wiley   +1 more source

Analysis and Suppression of Spoke-Type Permanent Magnet Machines Cogging Torque with Different Conditions for Electric Vehicles

World Electric Vehicle Journal
Spoke-type permanent magnet (STPM) machines have high power density and low cost due to flux concentrated effect and high air-gap flux density, but they can cause high cogging torque and torque ripple.
Jinlin Huang, Chen Wang
doaj   +1 more source

Cogging torque and torque ripple in a direct-drive interior permanent magnet generator [PDF]

, 2016
This paper investigates the cogging torque and torque ripple in high pole number interior permanent magnet generators, designed for direct-drive applications.
Ahsanullah, K, Rahman, F ; https://orcid.org/, Dutta, R ; https://orcid.org/   +2 more
core   +1 more source

Research on cogging torque reduction method for permanent magnet synchronous motor accounting for the magnetic pole edge effect

IET Electric Power Applications
Due to the existence of the magnetic pole edge effect, the actual cogging torque of the existing segmented step skew motor does not reach the theoretical minimum.
Dong Yan, Yan Yan, Yiqiu Cheng, Liyan Guo, Tingna Shi   +4 more
doaj   +1 more source

Comprehensive analysis and evaluation of cogging torque in Axial Flux Permanent Magnet machines [PDF]

, 2015
Evaluation and minimization of cogging torque in Axial Flux Permanent Magnet (AFPM) machines become essential specially in direct drives for low speed applications.
Leite, Vicente, Costa, A.F., Ferreira, Ângela P.   +2 more
core   +1 more source

Cogging torque reduction for interior permanent magnet synchronous motors [PDF]

, 2015
Interior permanent magnet synchronous machines show a good range of behaviours, which make these kinds of machines good candidates for an electromechanical energy conversion.
Tost Candel, Miquel
core   +2 more sources