7Chang Ming, Hua Wei, Zhu Xiaoyong, et al. Stator permanent magnet brushless machines: concepts, developments and applications[C]. 11 th International Conference on Electrical Machines and Systems, Wuhan, China, 2008.
8Cheng Ming, Chau K T, Chan C C. Static characteristics of a new doubly salient permanent magnet machine[J]. IEEE Transactions on Energy Conversion, 2001, 16(1): 20-25.
9Kim T H, Jang K B, Chun Y D, et al. Comparison of the characteristics of a flux reversal machine under the different driving methods[J]. IEEE Transactions on Magnetics, 2005, 41(5): 1916-1919.
10Hoang E, Ben Ahmed A H, Lucidarme J. Switching flux permanent magnet polyphased synchronous machines[C]. 7th Europe Conference on Power Electronics and Applications, Trondheim, Norway, 1997.