Disturbance rejection 8 Controllers 5 Active disturbances rejection controls 4 Anti-interference 3 Performance 3 active disturbance rejection controller 3 'current 2 Active disturbance rejection 2 Active disturbance rejection controller 2 Anti-interference performance 2 Bearing-rotor system 2 Currents distributions 2 Dynamic models 2 Energy conservation 2 Inverse problems 2 Magnetic bearings 2 Magnetism 2 Permanent Magnet Synchronous Motor 2 Permanent magnets 2 Redundant structure 2 Synchronous motors 2 Two term control systems 2 active disturbance rejection control 2 anti-interference performance 2 extended state observer 2 magnetic bearings 2 redundant structures 2 Active Disturbance Rejection Control 1 Air 1 Autotuning 1