The following publications are possibly variants of this publication:
- Electromechanical Modeling of a Permanent-Magnet Spherical Actuator Based on Magnetic-Dipole-Moment PrincipleChee Kian Lim, I-Ming Chen, Liang Yan, Guilin Yang, Kok-Meng Lee. tie, 56(5):1640-1648, 2009. [doi]
- Magnetic field model for direct field-feedback control of a permanent magnet spherical motorKun Bai, Kok-Meng Lee. aimech 2013: 768-773 [doi]
- Design and analysis of a permanent magnet spherical actuatorLiang Yan, I-Ming Chen, Chee Kian Lim, Guilin Yang, Wei Lin 0002, Kok-Meng Lee. iros 2005: 691-696 [doi]
- An Improved Analytical Model of Magnetic Field in Surface-Mounted Permanent Magnet Synchronous Motor With Magnetic Pole CuttingLianlian Gao, Zhiqiang Cai, Yanping Liang, Dongmei Wang, Qun Niu, Jia Li. access, 9:142804-142814, 2021. [doi]