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Magnetic-driven multifunctional optoelectronic catheter for in vivo chemical mapping and precisely guided-tumor therapy. [PDF]
Nat CommunChen F +13 more
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Advanced Microrobots Driven by Acoustic and Magnetic Fields for Biomedical Applications. [PDF]
Cyborg Bionic SystWang T, Chen Z, Huang Q, Arai T, Liu X.
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A Performance Study on a Permanent Magnet Spherical Motor
IEEE Transactions on Magnetics, 2013To realize the multi-Degree-of-Freedom (multi-DOF) movement, researches on spherical motor have been conducted in many countries. The Spherical motor has a 3-DOF, whose shaft can not only rotate as rotary motor but also tilt in the 2-DOF space. Researches on spherical motor will greatly contribute to 3-DOF systems, because spherical motor can reduce ...
Hyun-Jong Park +7 more
exaly +2 more sources
Optimization and Analysis of Cogging Torque of Permanent Magnet Spherical Motor
IEEE Transactions on Applied Superconductivity, 2021Compared with the general multi-degree-of-freedom motor, the permanent magnet spherical motor has the advantages of simple structure, convenient control and small size. This paper analyzes the cogging torque of a surface-mounted spherical permanent magnet motor (SSPMM) with an 8-pole, 12-slot three-layer stator.
Zheng Li
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IEEE Transactions on Magnetics, 2020
Due to the complex spatial magnetic field distribution and the variable motion mode, the torque analysis of spherical motors is usually carried out by the finite-element method (FEM) with a large amount of calculation and time consumption. In order to improve analysis efficiency, this article proposes a spherical motor torque calculation method based ...
Rui Zhou, Guoli Li, Qunjing Wang
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Due to the complex spatial magnetic field distribution and the variable motion mode, the torque analysis of spherical motors is usually carried out by the finite-element method (FEM) with a large amount of calculation and time consumption. In order to improve analysis efficiency, this article proposes a spherical motor torque calculation method based ...
Rui Zhou, Guoli Li, Qunjing Wang
exaly +2 more sources
Synthesis Strategy for Stator Magnetic Field of Permanent Magnet Spherical Motor
IEEE Transactions on Magnetics, 2018Considering the basic role of the stator magnetic field (MF), this paper presents a synthesis strategy for stator MF of a permanent magnet spherical motor (PMSM). Given the structure of the PMSM, the MF of a stator coil group with unit current is obtained, and the spherical harmonic components are decomposed, so the relationship between the whole ...
Bin Li, Shuo Zhang
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Tilting Torque Calculation of a Novel Tiered Type Permanent Magnet Spherical Motor
IEEE Transactions on Industrial Electronics, 2020This paper proposes a novel tiered type permanent magnet spherical motor (T-PMSPM) of which the output torque is relatively higher than that of the most existing spherical motors. The proposed T-PMSPM has three stators along axial direction; each of the stator is consisted of an iron core and a three-phase winding.
Lei Gan, Yulong Pei, Feng Chai
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Torque Calculation of Permanent Magnet Spherical Motor Based on Virtual Work Method
IEEE Transactions on Industrial Electronics, 2020A double-layer permanent magnet spherical motor (PMSM) with same spatial distribution of stator poles and rotor poles is designed based on spherical harmonic theory in this article. The stator coils are equivalent to permanent magnets to simplify the calculation, and the torque model based on virtual work method is derived.
Hongfeng Li, Yanfen Zhao, Bin Li
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Permanent magnet eddy current loss analysis of the permanent magnet spherical motor
2014 IEEE International Conference on Mechatronics and Automation, 2014Li Hongfeng, Shen Yanbo, Zhu Shengtao
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