1. Sun, J., Chen, D., Ren, H.: Modeling and control of an integrated axial passive and radial active magnetic bearing system. In: 2013 IEEE International Conference on Information and Automation (ICIA), pp. 682–687. Yinchuan, China (2013)
2. Chen, H.C.: Optimal fuzzy PID controller design of an active magnetic bearing system based on adaptive genetic algorithms. In: 2008 International Conference on Machine Learning and Cybernetics, pp. 2054–5060. Kunming, China (2008)
3. Namerikawa, T., Shinozuka, W.: H$$\infty $$ control of the magnetic bearing considering initial state uncertainties. In: The 8th IEEE International Workshop on Advanced Motion Control, pp. 275–280. Kamasaki, Japan (2004)
4. Balini, H.M.N.K., Scherer, C.W., Witte, J.: Performance enhancement for AMB systems using unstable H$$\infty $$ controllers. IEEE Transactions on Control Systems Technology 19(6), 1479–1492 (2011)
5. Ji, J., Hansen, C.H., Zander, A.C.: Nonlinear dynamics of magnetic bearing systems. International Journal of Material Systems and Structures 19(12), 1471–1491 (2008)