1. Magnetic Bearings: Theory, Design, and Applications to Rotating Machinery;Schweitzer,2009
2. Decentralized Control of Magnetic Rotor Bearing Systems;Bleuler,1984
3. Design and Sensorless Position Control of a Permanent Magnet Biased Radial Active Magnetic Bearing;Hofer,2013
4. Setup with two self-sensing magnetic bearings using differential 3-active INFORM;Nenning,2013
5. Magnetic bearing control systems and adaptive forced balancing;Shaifi,1994