Results 11 to 20 of about 9,281 (261)
IET Electric Power Applications, 2022 A double‐stator swing rotating permanent magnet spherical motor (SR‐PMSM) is designed, which can realize rotation, swing and spiral motion, and is used in the multi‐degree‐of‐freedom motion fields of industrial robot joints, torque gyroscopes, panoramic ...
Qing Chen +6 more
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Investigation on the Measurement Method for Output Torque of a Spherical Motor
Applied Sciences, 2020 The output torque is an important performance indicator of a motor. Due to the special structure of a permanent magnet spherical motor (PMSM), it is difficult to measure its torque.
Yan Wen +5 more
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IET Electric Power Applications, 2021 Non‐linear friction between the rotor and the rotor support mandrels would occur during the movement of the permanent‐magnet spherical motor (PMSpM).
Haolin Li +4 more
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Energies, 2021 In this study, two different parameter estimation algorithms are studied and compared. Iterated EKF and a nonlinear optimization algorithm based on on-line search methods are implemented to estimate parameters of a given permanent magnet synchronous ...
Artun Sel +3 more
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A novel spherical actuator: Design and control [PDF]
, 1997 The paper describes the design and control of a novel spherical permanent magnet actuator which is capable of two-degrees-freedom and a high specific torque. Based on an analytical actuator model, an optimal design procedure is developed to yield maximum
Howe, D., Jewell, G.W., Wang, J.B.
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Energies, 2020 The fundamental harmonic amplitude and waveform distortion rate of the air-gap flux density directly affect the performance of a permanent magnet spherical motor (PMSM).
Hongfeng Li +3 more
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Science Progress, 2021 This paper proposes a new research method in view of the rare research on the contact state of hybrid drive multi-degree-of-freedom motor. Firstly, the basic principle and structure of hybrid drive motor are introduced.
Zheng Li, Liang Zhao, Peng Guo, Zhe Wang
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A novel spherical permanent magnet actuator with three degrees-of-freedom [PDF]
, 1998 The paper describes a new version of spherical actuator, which is capable of three degrees-of-freedom and a high specific torque. The three-dimensional magnetic field distribution is established using an analytical technique formulated in spherical co ...
Howe, D. +3 more
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Finite Element Analysis of the Inductance and Magnetic Field in the Permanent Magnet Spherical Motor
Politeknik Dergisi, 2020 Today, many applications requiring mass manufacturing are shifting to robotic applications through automation systems. The actuators used in these robotic systems should be designed according to needs. In this study, an air core spherical motor which has rotor and stator winding arrangement is described.
Sibel AKKAYA OY +2 more
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A general framework for the analysis and design of tubular linear permanent magnet machines [PDF]
, 1999 A general framework for the analysis and design of a class of tubular linear permanent magnet machines is described. The open-circuit and armature reaction magnetic field distributions are established analytically in terms of a magnetic vector potential ...
Howe, D., Jewell, G.W., Wang, J.B.
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