Rotor Active Magnetic Bearings System Control via a Tuned Nonlinear Saturation Oscillator

The proposed work focuses on improving the performance of traditional nonlinear saturation controller (NSC) algorithm. In this work, a tuning mechanism can be implemented by providing NSC control unit with measured speed $\Omega $ rotor from shaft encoder device in order to introduce tuned (TNSC). other words, we are going tune NSC’s natural frequency ${\omega _{c}}$ at one half such that =2{\omega . This TNSC is adopted reduce vibratory amplitudes 16-pole constant-stiffness rotor-Active magnetic bearings AMBs) system for wide range speeds and eccentricities. whole controlled studied mathematically seek its approximate solutions via multiple scales technique. Different relations between rotor’s parameters plotted so as verify crucial role performance.