1. Spooner, E., S. W. Khatab, and N. G. Nicolaou, "Hybrid excitation of AC and DC machine," Proceedings of the International Conference on Electrical Machines and Drives, 1989 IEE Electrical Machines and Drives Conferenc, 48-52, 1989. Google Scholar
2. Chan, C. C., K. T. Chau, and J. Z. Jiang, "Novel permanent magnet motor drives for electric vehicles," IEEE Trans. Ind. Electr., Vol. 43, No. 2, 331-339, Apr. 1996.
doi:10.1109/41.491357 Google Scholar
3. Peniak, A., J. Makarovic, P. Rafajdus, V. Vavrus, P. Makys, K. Buhr, and R. Fajtl, "Design and optimization of switched reluctance motor for electrical vehicles," Electr. Eng., Vol. 99, No. 4, 1393-1401, Jul. 2017.
doi:10.1007/s00202-017-0621-4 Google Scholar
4. Fuchs, E. F. and M. H. Myat, "Speed and torque range increases of electric drives through compensation of flux weakening," 2010 Power Electronics, Electrical Drives, Automation and Motion Conference, 1569-1574, 2010. Google Scholar
5. Amara, Y., L. Vido, M. Gabsi, E. Hoang, and B. Hamid, "Hybrid excitation synchronous machines: Energy-efficient solution for vehicles propulsion," IEEE Trans. Veh. Technol., Vol. 58, No. 5, 2137-2149, Nov. 2009.
doi:10.1109/TVT.2008.2009306 Google Scholar
6. Zhang, Z., Y. Yan, and S. Yang, "Principle of operation and feature investigation of a new topology of hybrid excitation synchronous machine," IEEE Trans. Magn., Vol. 44, No. 9, 2174-2180, Aug. 2008.
doi:10.1109/TMAG.2008.2000513 Google Scholar
7. Lawler, J. S., J. Bailey, and J. McKeever, "Minimum current magnitude control of surface PM synchronous machines during constant power operation," IEEE Power Electr. Lett., Vol. 3, No. 2, 53-56, Jul. 2005.
doi:10.1109/LPEL.2005.848327 Google Scholar
8. Liu, C. C., J. G. Zhu, Y. H. Wang, Y. G. Guo, and G. Lei, "Comparison of claw-pole machines with different rotor structures," IEEE Trans. Magn., Vol. 51, No. 11, 8110904, Jun. 2015. Google Scholar
9. Deodhar, R. P., A. Pride, and J. J. Bremner, "Design method and experimental verification of a novel technique for torque ripple reduction in stator claw-pole PM machines," IEEE Trans. Ind. Appl., Vol. 51, No. 5, 3743-3750, May 2015.
doi:10.1109/TIA.2015.2429647 Google Scholar
10. Balagurov, B. A., "Electric generators with permanent magnets," Elektroatomizdat, 1988. Google Scholar
11. Chen, J. J. and K. P. Chin, "Minimum copper loss flux weakening control of surface mounted permanent magnet synchronous motors," IEEE Trans. Ind. Electr., Vol. 18, No. 4, 929-936, Jul. 2003. Google Scholar
12. Chan, C. C., R. Zhang, and K. T. Chau, "Optimal efficiency control of PM hybrid motor drives for electrical vehicles," 1997 Power Electronics Specialists Conference, 363-368, 1997. Google Scholar
13. Gabriele, B., F. G. Capponi, G. D. Donato, and F. Caricchi, "Closed-loop flux-weakening control of hybrid-excitation synchronous machine drives," IEEE Trans. Ind. Appl., Vol. 53, No. 2, 1116-1126, Dec. 2017.
doi:10.1109/TIA.2016.2639031 Google Scholar
14. Chen, J. J., "Automatic flux-weakening control of permanent magnet synchronous motors using a reduced-order controller," IEEE Trans. Ind. Electr., Vol. 15, No. 5, 881-890, Sep. 2000. Google Scholar
15. Shinnaka, S., "New dynamic mathematical model and new dynamic vector simulators of hybrid-field synchronous motors," 2005 Electric Machines and Drives Conference, 882-889, 2005.
doi:10.1109/IEMDC.2005.195826 Google Scholar
16. Shinnaka, S., "New optimal current control methods for energy-efficient and wide speed-range operation of hybrid-field synchronous motor," IEEE Trans. Ind. Electr., Vol. 54, No. 5, 2443-2450, Jul. 2007.
doi:10.1109/TIE.2007.900356 Google Scholar
17. Huang, M. M., H. Y. Lin, Y. K. Huang, P. Jin, and Y. J. Guo, "Fuzzy control flux weakening of hybrid excitation synchronous motor based on particle swarm optimization algorithm," IEEE Trans. Magn., Vol. 48, No. 11, 2989-2992, Oct. 2012.
doi:10.1109/TMAG.2012.2196761 Google Scholar
18. Zhang, Q. F. and S. M. Cui, "Hybrid switched reluctance motor applied in electric vehicle," 2007 IEEE Vehicle Power and Propulsion, 359-363, 2007. Google Scholar
19. Wang, Y. and Z. Deng, "Hybrid excitation topologies and control strategies of stator permanent magnet machines for DC power system," IEEE Trans. Ind. Electr., Vol. 59, No. 12, 4601-1615, Jan. 2012.
doi:10.1109/TIE.2012.2183842 Google Scholar
20. Yang, C. F., H. Y. Lin, J. Guo, and Z. Q. Zhu, "Design and analysis of a novel hybrid excitation synchronous machine with asymmetrically stagger permanent magnet," IEEE Trans. Magn., Vol. 44, No. 11, 4353-4356, Dec. 2008.
doi:10.1109/TMAG.2008.2001325 Google Scholar
21. Kaehler, C. and G. Henneberger, "Transient 3-D FEM computation of eddy-current losses in the rotor of a claw-pole alternator," IEEE Trans. Magn., Vol. 40, No. 2, 1362-1365, Apr. 2004.
doi:10.1109/TMAG.2004.825469 Google Scholar
22. Mohammadi, A. S., J. P. Trovão, and R. D. Maxime, "Hybridisation ratio for hybrid excitation synchronous motors in electric vehicles with enhanced performance," IET Electr. Syst. Transp., Vol. 8, No. 1, 12-19, Feb. 2018.
doi:10.1049/iet-est.2017.0029 Google Scholar
23. Zhang, Z. R., Y. Liu, B. Tian, and W. J. Wang, "Investigation and implementation of a new hybrid excitation synchronous machine drive system," IET Electr. Power Appl., Vol. 11, No. 4, 487-494, Apr. 2017.
doi:10.1049/iet-epa.2016.0542 Google Scholar
24. Michal, B., "A gain-scheduled multivariable LQR controller for hybrid excitation synchronous machine," 2015 Methods and Models in Automation and Robotics Conference, 24-27, Sep. 2015. Google Scholar