1. Chen, M., & Knospe, C. R. (2002). Experiments in chatter control with magnetic bearings. In Proceedings of the 2002 NSF design, service, and manufacturing grantees and research conference, San Juan, January 7–10 (pp. 1082–1095).
2. A new approach to the estimation of cutting dynamics using active magnetic bearings;Chen;ASME Journal of Manufacturing Science and Engineering,2005
3. Fittro, R. L. (1998). A high speed machining spindle with active magnetic bearings: control theory, design, and application. Doctoral dissertation, University of Virginia.
4. Fittro, R. L., & Knospe, C. R. (1999). μ Control of a high-speed spindle thrust magnetic bearing. In Proceedings of the 1999 IEEE international conference on control applications (pp. 570–575).
5. μ-synthesis applied to the compliance minimization of an active magnetic bearing HSM spindle's thrust axis;Fittro;Machining Science and Technology,2003