Magnetic suspension rotor harmonic current suppression method based on frequency self-adaptive fractional compensation repetition controller
A repetitive controller, frequency adaptive technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of inability to compensate for fractional parts, inability to achieve accurate suppression, etc., to eliminate amplitude attenuation and The effect of phase lag
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[0047] The present invention will be further described below in conjunction with the accompanying drawings and specific examples.
[0048] Such as figure 1 As shown, the implementation process of a magnetic levitation rotor harmonic current suppression method based on a frequency adaptive fractional compensation repetitive controller is: firstly establish a magnetic levitation rotor dynamics model including mass unbalance and sensor harmonics, and then design a magnetic levitation rotor based on Frequency Adaptive Fractional Compensation Repetitive Controller for Harmonic Current Suppression of Magnetic Levitation Rotors.
[0049] The maglev rotor system consists of a displacement sensor K s , controller G c (s), power amplifier G w (s) and maglev rotor G p (s) composition, the displacement sensor measures the rotor displacement and feeds it back to the controller, the controller outputs the control quantity to the power amplifier, the power amplifier outputs current to t...
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