Computational and analytical studies of the processes in electromagnetic bearings in adjustment of the rotor of a turbine engine
2008
The stability of an electromagnetic bearing control system-rotor system with a nonlinear dependence of the magnetic force on the control current is studied by analytical and experimental methods. The possibility of implementing an electromagnetic suspension of a rotor in the absence of currents of initial magnetic biasing is demonstrated. The advantages and disadvantages of such an implementation of the control system are determined. A program for calculating the time evolution of the motion of a rotor on electromagnetic bearings is developed and implemented in practice. A technique for verifying the program under conditions where initial data for calculations are not known accurately is proposed.
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