1. Takemoto, M., A. Chiba, H. Akagi, et al. "Radial force and torque of a bearingless switched reluctance motor operating in a region of magnetic saturation," IEEE Transactions on Industry Applications, Vol. 40, No. 1, 103-112, 2004.
doi:10.1109/TIA.2003.821816        Google Scholar

2. Sun, Y., F. Yu, Y. Yuan, Z. Huang, Y. Huang, and Z. Zhu, "A hybrid double Stator bearingless switched reluctance motor," Transactions of China Electrotechnical Society, Vol. 34, No. 1, 1-10, 2019.        Google Scholar

3. Wang, H. and F. Li, "Design consideration and characteristic investigation of modular permanent magnet bearingless switched reluctance motor," IEEE Transactions on Industrial Electronics, Vol. 67, No. 6, 4326-4337, 2020.
doi:10.1109/TIE.2019.2931218        Google Scholar

4. Yuan, Y., Y. Huang, Q. Xiang, et al. "Mathematical modeling and control for a single winding bearingless flywheel motor in electric/suspension mode," Journal of Electrical Engineering & Technology, Vol. 13, No. 5, 1935-1944, 2018.        Google Scholar

5. Huang, Y., F. Huang, Y. Yuan, F. Yang, and K. Xie, "Design and analysis of a novel nearingless segmented switched reluctance motor," IEEE Access, Vol. 7, 94342-94349, 2019.
doi:10.1109/ACCESS.2019.2927537        Google Scholar

6. Sun, Y., Y. Yuan, Y. Huang, W. Zhang, and L. Liu, "Development of the bearingless switched reluctance motor and its key technologies," Transactions of China Electrotechnical Society, Vol. 30, No. 22, 1-8, 2015.        Google Scholar

7. Yang, Y., Z. Deng, G. Yang, X. Cao, and Q. Zhang, "A control strategy for bearingless switched reluctance motors," IEEE Transactions on Power Electronics, Vol. 25, No. 11, 2807-2819, 2010.
doi:10.1109/TPEL.2010.2051684        Google Scholar

8. He, Y., Y. Tang, D. Lee, and J. Ahn, "Suspending control scheme of 8/10 bearingless SRM based on adaptive fuzzy PID controller," Chinese Journal of Electrical Engineering, Vol. 2, No. 2, 60-67, 2016.
doi:10.23919/CJEE.2016.7933127        Google Scholar

9. Zhu, Z. and Y. Sun, "Universal decoupling control for bearingless switched reluctance motors based on the direct-inverse and correct-inverse system," Proceedings of the CSEE, Vol. 34, No. 33, 5902-5909, 2014.        Google Scholar

10. Han, J., "From PID to active disturbance rejection control," IEEE Transactions on Industrial Electronics, Vol. 56, No. 3, 900-906, 2009.
doi:10.1109/TIE.2008.2011621        Google Scholar

11. Gao, Z., "Scaling and bandwidth-parameterization based controller tuning," Proceedings of the 2003 American Control Conference, 4989-4996, Denver, CO, USA, 2003.        Google Scholar

12. Guo, B. and Z. Zhao, "On the convergence of an extended state observer for nonlinear systems with uncertainty," Systems & Control Letters, Vol. 60, No. 6, 420-430, 2011.
doi:10.1016/j.sysconle.2011.03.008        Google Scholar

13. Zhao, Z. and B. Guo, "A nonlinear extended state observer based on fractional power functions," Automatica, Vol. 81, 286-296, 2017.
doi:10.1016/j.automatica.2017.03.002        Google Scholar

14. Dong, L., Q. Zheng, and Z. Gao, "On control system design for the conventional mode of operation of vibrational gyroscopes," IEEE Sensors Journal, Vol. 8, No. 11, 1871-1878, 2008.
doi:10.1109/JSEN.2008.2006451        Google Scholar

15. Mauricio, A., C. Luigi, P. Carlos, C. Enrico, and N. Carlo, "UAV quadrotor attitude control: An ADRC-EMC combined approach," Control Engineering Practice, Vol. 84, 13-22, 2019.        Google Scholar

16. Liu, C., G. Luo, Z. Chen, W. Tu, and C. Qiu, "A linear ADRC-based robust high-dynamic double-loop servo system for aircraft electro-mechanical actuators," Chinese Journal of Aeronautics, Vol. 32, No. 9, 2174-2187, 2019.
doi:10.1016/j.cja.2019.03.036        Google Scholar

17. Tian, C., P. Yan, and Z. Zhang, "Inter-sample output predictor based sampled-data ADRC supporting high precision control of VCM servo systems," Control Engineering Practice, Vol. 85, 138-148, 2019.
doi:10.1016/j.conengprac.2019.01.012        Google Scholar

18. Tian, G., "Reduced-order extended state observer and frequency response analysis,", Cleveland State University, Cleveland, 2007.        Google Scholar

19. Chen, H., H. Yang, Y. Chen, and H. Iu, "Reliability assessment of the switched reluctance motor drive under single switch chopping strategy," IEEE Transactions on Power Electronics, Vol. 31, No. 3, 2395-2408, 2016.
doi:10.1109/TPEL.2015.2429557        Google Scholar

20. Moron, C., A. Garcia, E. Tremps, and J. Somolinos, "Torque control of switched reluctance motors," IEEE Transactions on Magnetics, Vol. 48, No. 4, 1661-1664, 2012.
doi:10.1109/TMAG.2011.2173169        Google Scholar

21. Jakobsen, U., K. Lu, P. O. Rasmussen, D. Lee, and J. Ahn, "Sensorless control of low-cost single-phase hybrid switched reluctance motor drive," IEEE Transactions on Industry Applications, Vol. 51, No. 3, 2381-2387, 2015.
doi:10.1109/TIA.2014.2385939        Google Scholar

22. Li, X. and P. Shamsi, "Inductance surface learning for model predictive current control of switched reluctance motors," IEEE Transactions on Transportation Electrification, Vol. 1, No. 3, 287-297, 2015.
doi:10.1109/TTE.2015.2468178        Google Scholar

23. Zhang, M., L. Yang, Y. Hou, Y. Shi, and G. Zuo, "Improved linear active disturbance rejection controller with Denoising Performance," Journal of Astronautics, Vol. 40, No. 7, 803-810, 2019.        Google Scholar

24. Yao, S., G. Gao, and Z. Gao, "Bandwidth parameterized disturbance observer composite sliding mode coordination control for closed chain mechanisms," Control Theory & Applications, 1-7.        Google Scholar

25. Li, P., J. Ma, and Z. Zheng, "Sliding mode control approach based on nonlinear integrator," Control Theory & Applications, Vol. 28, No. 5, 619-624, 2011.        Google Scholar