Magnetic suspension rotor harmonic current suppression method based on second order dual mode repetitive control
A technology of magnetic suspension rotor and harmonic current, applied in adaptive control, general control system, control/regulation system, etc., can solve the problem that it is difficult for the controller to accurately suppress the harmonic signal.
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[0065] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0066] Such as figure 1 As shown, the implementation process of a magnetic levitation rotor harmonic current suppression method based on second-order dual-mode repetitive control SDMRC is: firstly establish a magnetic levitation rotor dynamics model including mass unbalance and sensor harmonics; then design a SDMRC-based The controller performs harmonic current suppression.
[0067] Step (1) Establish a maglev rotordynamics model with mass unbalance and sensor harmonics
[0068] A fully active magnetic bearing control system generally includes a magnetic bearing controller, a power amplifier, a radial magnet, an axial magnet, a magnetic levitation rotor, and a displacement sensor. The five degrees of freedom of the magnetic levitation rotor system are controlled by active and controllable permanent magnetic bias hybrid magnetic bearings, incl...
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