1. Lu, Q., Shen, Y., Ye, Y.: Development of permanent magnet linear synchronous motors structure and research. Trans. China Electrotechnical Soc. 39(09), 2575–2588 (2019)
2. Wang, W., et al.: Coupled fault-tolerant control of primary permanent-magnet linear motor traction systems for subway applications. IEEE Trans. Power Electron. 36(3), 3408–3421 (2021)
3. Wang, H., Xie, D., Yao, B., Ge, X.: Speed-sensorless vector control of linear induction motor drives system based backstepping control theory. Chin. J. Electr. Eng. 38(22), 6711–6723 (2018)
4. Chen, S., Pi, Y.: Position sensorless control for permanent magnet synchronous motor based on sliding mode observer and sliding mode controller. Trans. China Electrotechnical Soc. 31(12), 108–117 (2016)
5. Stojić, D., Milinković, M., Veinović, S., Klasnić, I.: Improved stator flux estimator for speed sensorless induction motor drives. IEEE Trans. Power Electron. 30(4), 2363–2371 (2015)