Sensitivity Analysis of External-Rotor Permanent Magnet Assisted Synchronous Reluctance Motor
 J. K. Kostko, “Polyphase reaction synchronous motors,” J. Am. Inst. Electr. Eng., vol. 42, no. 11, pp. 1162–1168, 1923.
 S. S. R. Bonthu, A. Arafat, and S. Choi, “Comparisons of Rare-Earth and Rare-Earth Free External Rotor Permanent Magnet Assisted Synchronous Reluctance Motors,” IEEE Trans. Ind. Electron., vol. 46, no. 330, pp. 1–1, 2017.
 L. Jian, K. T. Chau, and J. Z. Jiang, “A Magnetic-Geared Outer-Rotor Permanent-Magnet Brushless Machine for Wind Power Generation,” IEEE Trans. Ind. Appl., vol. 45, no. 3, pp. 954–962, 2009.
 H. Chen and J. J. Gu, “Switched reluctance motor drive with external rotor for fan in air conditioner,” IEEE/ASME Trans. Mechatronics, vol. 18, no. 5, pp. 1448–1458, 2013.
 P. J. Holik, D. G. Dorrell, and M. Popescu, “Performance improvement of an external-rotor split-phase induction motor for low-cost drive applications using external rotor can,” IEEE Trans. Magn., vol. 43, no. 6, pp. 2549–2551, 2007.
 S. S. R. Bonthu, S. Choi, A. Gorgani, and K. Jang, “Design of permanent magnet assisted synchronous reluctance motor with external rotor architecture,” in Proceedings - 2015 IEEE International Electric Machines and Drives Conference, IEMDC 2015, 2016, pp. 220–226.
 R. A. Inte and F. N. Jurca, “A novel synchronous reluctance motor with outer rotor for an electric bike,” in Proceedings of the 2016 International Conference and Exposition on Electrical and Power Engineering, EPE 2016, 2016, no. Epe, pp. 213–218.
 Y. Deshpande and H. A. Toliyat, “Design of an outer rotor ferrite assisted synchronous reluctance machine (Fa-SynRM) for electric two wheeler application,” in 2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014, 2014, pp. 3147–3154.
 S. S. R. Bonthu and S. Choi, “Design procedure for multi-phase external rotor permanent magnet assisted synchronous reluctance machines,” in Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2016, vol. 2016–May, pp. 1131–1137.
 M. Z. Islam, S. S. R. Bonthu, and S. Choi, “Obtaining optimized designs of multi-phase PMa-SynRM using lumped parameter model based optimizer,” Proc. - 2015 IEEE Int. Electr. Mach. Drives Conf. IEMDC 2015, pp. 1722–1728, 2016.
 M. Azhagar Raj and A. Kavitha, “Effect of Rotor Geometry on Peak and Average Torque of External Rotor Synchronous Reluctance Motor (Ex-R SynRM) in comparison with Switched Reluctance Motor for Low Speed Direct Drive Domestic Application,” IEEE Trans. Magn., vol. 9464, no. c, pp. 1–1, 2017.
 R. R. Moghaddam and F. Gyllensten, “Novel high-performance SynRM design method: An easy approach for a complicated rotor topology,” IEEE Trans. Ind. Electron., vol. 61, no. 9, pp. 5058–5065, 2014.
 A. Vagati, M. Pastorelli, G. Franceschini, and S. C. Petrache, “Design Of Low-torque-ripple Synchronous Reluctance Motors - Industry Applications, IEEE Transactions on,” vol. 34, no. 4, pp. 758–765, 1998.
 A. Vagati, “Synchronous Reluctance Electrical Motor having a low torque ripple design”, USA patent No. 5,818,140, Oct. 6, 1998.