Vu, D. D., Q. D. Nguyen, and H. P. Nguyen. “Evaluate the Performance of the Hybrid Magnetic Bearing With the Auxiliary Clearance and Propose an Improvement”. Journal of Measurement, Control, and Automation, vol. 1, no. 2, Apr. 2021, https://mca-journal.org/index.php/mca/article/view/39.