Results 211 to 220 of about 56,156 (265)
The anatomy of magnetic field pulse induced transverse domain wall dynamics. [PDF]
Sci RepCho J, Yun WS, Kim JS.
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Torque Control Method of an Electromagnetic Spherical Motor Using Torque Map
IEEE/ASME Transactions on Mechatronics, 2016This paper describes a new method for driving electromagnetic type spherical motors that has arranged permanent magnets on a rotor and arranged electromagnets on a stator. The most significant feature of this method is, in principle, applicable to any permanent magnets arrangement and electromagnets arrangement, and it can generate torque to any ...
Nagayoshi Kasashima +2 more
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Interlayer magnetic coupling: The torque method
Physical Review B, 1996We present ab initio calculations of the interlayer exchange coupling between two, in general noncollinearly aligned magnetic slabs embedded in a nonmagnetic spacer. Based on a surface Green’s function formalism, two equivalent but formally and physically different approaches are examined and discussed. For the Co/Cu/ Co~001!
, Drchal +3 more
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Femoral Transverse Torque: An Assessment Method
Journal of Orthopaedic & Sports Physical Therapy, 1986This study compared external and internal femoral torques of asymptomatic male and female subjects. Peak torque values were recorded using the Cybex(R) II isokinetic dynamometer utilizing a prone testing position with the hip in neutral. Males produced significantly higher raw peak torques than females in both external and internal rotation (p < 0.003).
G C, Hunt +3 more
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Cogging torque reduction methods
2014 Electric Power Quality and Supply Reliability Conference (PQ), 2014This paper considers the study of methods for reduction of the cogging torque in permanent magnet machines. Cogging torque has been analyzed to be reduced by slot skewing, width of slot opening, magnet pole radius and also by mounting of the magnets.
Oleg Kudrjavtsev, Aleksander Kilk
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Instantaneous Torque Control of SRM with a Logical Torque Sharing Method
2007 IEEE Power Electronics Specialists Conference, 2007A novel non-linear logical torque sharing function (TSF) is presented. To improve efficiency and to reduce torque ripple in commutation region, only a phase torque under commutation is regulated to produce a uniform torque. And the torque developed by the other phase remains with the previous state under a current limit of the motor and drive.
Dong-Hee Lee, Zhen-Guo Lee, Jin-Woo Ahn
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Joint torque optimization method for space manipulator
2014 IEEE International Conference on Information and Automation (ICIA), 2014Space manipulator is an integral part of space station in its life stages including construction, operation and development, during which there are tasks for the manipulator as manipulating light camera and also assembling cabins of weight. Workload range is so wide that optimization is necessary to be considered to improve execution performance on all
Yang Yang, Xiaoyu Shang, Hui Li
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A New Method to Measure the Output Torque for Micromotor
IEEE Transactions on Instrumentation and Measurement, 2015A noncontact measuring method has been proposed to measure the micronewton meter-order output microtorque of micromotors to overcome the problem of large measurement errors caused by temperature, vibration, friction, and the flow of air. Physical model of this method is built according to Newton’s third law and the electromagnetic theory.
Zhanshe Guo +4 more
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