A Modified Design of an Active Magnetic Bearing Controller

摘要

This chapter mainly discusses electromagnetic bearing control theories and control algorithms. A modified design of a controller is presented to establish the closed-loop control system. By adopting the integrating element in a proportional integral derivative (PID) controller, the effects of variation of load on the position of the rotor can be compensated. By selecting the voltage control method instead of current control, the model of the system has better robustness. Finally, the simulation results are given to study the system responses of appropriate parameters to check the feasibility of the algorithm.