Results 21 to 30 of about 6,760 (259)
Output Torque for Electromagnetic Harmonic Drive [PDF]
The operation principle of an electromagnetic harmonic drive is analyzed and its speed ratio equation is given. The equations of the displacements of the flexible ring under magnetic forces and the equations of the output torque between the flexible ring and rigid one are deduced.
Lizhong Xu, Yongli Liang
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A hybrid-excited doubly salient dual-PM machine (HE-DSDPM) was presented by using the structural multi-tooth modification for an improvement of torque production. The multi-tooth structure modification of HE-DSDPM was clearly described. The PM and stator
Warat Sriwannarat +6 more
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An improved structure for axial-flux eddy current couplings with combined rectangleshaped magnets is proposed to minimize cogging torque without sacrificing torque density. Then, a novel analytical electromagnetic-thermal model, which takes the change of
Di Zheng +5 more
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Analysis and inhibition of radial electromagnetic force in composite magnetic coupler
A new inhibition method was proposed for the problem of harmonic of radial electromagnetic force during the operation of the composite magnetic coupler.
Shuang Wang +5 more
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Analysis of electromagnetic performance of the interior permanent magnet brushless DC motor with stator slot skewed structure based on quasi-3D moving electromagnetic-field circuit coupling calculation [PDF]
This paper takes a 50 kW interior permanent magnet brushless DC motor as an example, and explores the influence of the degree of stator slot skew on the overall motor magnetic density and air gap magnetic density; then reveals the influences of stator ...
Xue-gui Gan, Zhen-nan Fan, Jing-can Li
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In order to study the change characteristics of electromagnetic torque in the transient process of stator internal short circuit fault, based on virtual work principle in dynamic, the electromagnetic torque of transient process after stator winding ...
CHEN Chao +3 more
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This paper investigated a 12-slot/11-pole flux switching permanent magnet (FSPM) machine used for electric vehicles (EVs). Five novel rotor teeth shapes are proposed and researched to reduce the cogging torque and torque ripple of the FSPM machine. These
Jing Zhao +4 more
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Taking a steel mill Φ800 mm round billet continuous casting machine as the research object, the influence of crystallizer electromagnetic stirring current and frequency on electromagnetic torque and Q355NE steel round billet equiaxed crystal rate and ...
Zhou Weiji +4 more
doaj
A multi‐phase permanent magnet synchronous motor (PMSM) with fractional‐slot windings is proposed to reduce electromagnetic vibration and improve torque performance.
Zhiguang Liu +4 more
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The torque density improvement of a low-speed high-torque swirling actuator is presented in this article. The swirling actuator is driven by the electromagnetic radial force and integrated mechanical gears.
Lingyu Chen, Yusuke Fujii, Akira Chiba
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