3Chen M, Chau K T, Che L, et al. Design and analysis of a new axial-field magnetic variable gear using pole-changing permanent magnets[J]. Progress in Electromagnetics Research, 2015, 153: 23-32.
4Padmanathan P, Bird J Z. A continuously variable magnetic gear[J]. Electric Machines & Drives Conference, 2013 IEEE Intemational, 367- 373.
5Chen Mu, Chau K T, Li Wenlong, et al. Design and analysis of a new magnetic gear with multiple gear ratios[J]. IEEE Transactions on Applied Superconductivity, 2014, 24(3): 0501904.
6Hu Chao. Design of magnetic coupler for EVs' wireless charging[J]. International Journal of Applied Electromagnetics & Mechanics, 2013, 43:195-205.
7Wallace A, Jouanne A V. Industrial speed control: PM couplings an altemative to VFDs[J]. IEEE Industry Applications Magazine, 2001, 7(5): 57-63.
8Nehl T, Lequesne B. Nonlinear two-dimensional finite element modeling of permanent magnet eddy current couplings and brakes[J]. IEEE Transactions on Magnetics, 1994, 30(5): 3000-3003.
9Wallace A, Jouanne A, Williamson S. Performance prediction and test of adjustable, permanent-magnet, load transmission systems[J]. IEEE Transactions on Industry Applications, 2001, 3: 1648- 1655.
10Smith A C, Willsamson H, Benhama N, et al. Magnetic drive couplings[C]//Electrical Machines and Drives, 1999. Ninth International Conference on (Conf. Publ. No. 468). lET, 1999 232-236.