Results 11 to 20 of about 2,164,521 (333)
Energies, 2018 Linear flux switching permanent magnetic (LFSPM) machines, with the armature windings and magnets both on the mover in addition to a robust stator, are a good choice for long stoke applications, however, a large cogging force is also inevitable due to ...
Wenjuan Hao, Yu Wang
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EnergiesThis paper designs and fabricates a small-type permanent-magnet linear motor and driver for automation applications. It covers structural design, magnetic circuit analysis, control strategies, and hardware development.
Chia-Hsiang Ho, Jonq-Chin Hwang
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Energies, 2016 Permanent magnet linear motors (PMLMs) with double-layer concentrated windings generally show significant cogging forces due to the introduction of auxiliary teeth for eliminating the end-effect induced phase unbalance, even when the fractional-slot ...
Qian Wang, Bo Zhao, Jibin Zou, Yong Li
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Cogging force investigation of a free piston permanent magnet linear generator
IOP Conference Series: Materials Science and Engineering, 2017 Better performance and higher efficiency of the vehicles can be achieved by using free piston engine, in which the piston is connected directly to the linear generator and waiving of any mechanical means. The free piston engine has the ability to overcome or reduce many of the challenges, such as the carbon dioxide (CO2) emission and fossil fuel ...
I I Abdalla +5 more
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Cogging force mitigation techniques in a modular linear permanent magnet motor
IET Electric Power Applications, 2016 Modular linear doubly salient permanent magnet motors are well adapted to linear propulsion systems because of their distinct characteristics, such as high efficiency and power density, reduced maintenance and initial cost, low noise and permanent magnet (PM) leakage flux, and fault tolerance capability.
Farid Tootoonchian +1 more
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Research on the influence of trapezoidal magnetization of bonded magnetic ring on cogging torque
Open Physics, 2023 In this article, the influence of trapezoidal magnetization method on cogging torque of permanent magnet motor is studied. First, the structure is analyzed by analytical method to explain its mechanism of reducing cogging torque. Then, in order to verify
Zhang Ze +8 more
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Nonlinear Vibration Analysis of Rotor considering Cogging and Harmonic Effects
Shock and Vibration, 2021 This paper aims to investigate nonlinear vibration characteristics of rotor system considering cogging and harmonic effects. Firstly, relative permeance with eccentric was established and then corrected by correction factor caused by the cogging effect ...
Shanle Li +4 more
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Combined methods for torque variation reduction of high-speed FSPM
Energy Reports, 2023 Flux switching permanent magnet machine (FSPM) with six slots and four poles (6/4) shows great potential for high-speed operation. However, the 6/4 FSPM suffers from high cogging torque at no load and loaded torque variation.
Jiayue Zhou, Xi Xiao
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Design and qnalysis of a novel linear transverse flux permanent magnet motor using HTS magnetic shielding [PDF]
, 2010 In this paper, a novel linear transverse flux permanent magnet (TFPM) motor is proposed, which can offer higher thrust force, lower cogging force and easier manufacturing than its counterpart. The key is to propose a new C-shaped TFPM motor topology with
Chau, KT, Li, W
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Comparison of three analytical methods for the precise calculation of cogging torque and torque ripple in axial flux PM machines [PDF]
, 2016 A comparison between different analytical and finite-element (FE) tools for the computation of cogging torque and torque ripple in axial flux permanent-magnet synchronous machines is made.
Hannon, Bert +3 more
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