Method for suppressing harmonic vibration force of magnetic suspension rotor, based on modified odd repetitive control

A magnetic suspension rotor, repetitive control technology, applied in adaptive control, general control system, control/regulation system, etc., can solve the problems of controller performance optimization, only odd harmonics without considering harmonic vibration force, etc.

Active Publication Date: 2018-09-04
BEIHANG UNIV
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Problems solved by technology

However, the existing repetitive algorithms applied to the maglev rotor control system do not consider the problem of con

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  • Method for suppressing harmonic vibration force of magnetic suspension rotor, based on modified odd repetitive control
  • Method for suppressing harmonic vibration force of magnetic suspension rotor, based on modified odd repetitive control
  • Method for suppressing harmonic vibration force of magnetic suspension rotor, based on modified odd repetitive control

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Embodiment Construction

[0068] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0069] Such as figure 1 As shown, the implementation process of a maglev rotor harmonic vibration force suppression method based on improved odd-order repetitive control is: firstly establish a maglev rotor dynamics model including mass unbalance and sensor harmonics; then design a MORC-based control The device suppresses the harmonic vibration force.

[0070] Step (1) Establish a maglev rotordynamics model with mass unbalance and sensor harmonics

[0071]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, including four pairs of radi...

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Abstract

The invention discloses a method for suppressing harmonic vibration force of a magnetic suspension rotor, based on modified odd repetitive. The method establishes a magnetic suspension rotor dynamic model with mass imbalance and sensor harmonics, and then a method of suppressing harmonic vibration force of the magnetic suspension rotor, based on an MORC (Modified Odd Repetitive Control) controlleris adopted. The MORC can accurately suppress the harmonic vibration force, and can accelerate the dynamic process of suppression. At the same time, the MORC can guarantee absolute stability of systemthrough a phase compensation mode. The method for suppressing harmonic vibration force of a magnetic suspension rotor, based on modified odd repetitive control has the advantages of being simple in the odd repetitive controller structure, being very convenient to use in practical application, being able to suppress the harmonic vibration force in the magnetic suspension rotor, and being suitablefor suppression of harmonic vibration force of the magnetic suspension rotor system with mass imbalance and sensor harmonics.

Description

technical field [0001] The invention relates to the technical field of harmonic vibration suppression of magnetic suspension rotors, in particular to a method for suppressing harmonic vibration force of magnetic suspension rotors based on MORC (Modified Odd Repetitive Control, MORC), which is used to control the torque of magnetic suspension rotors The odd harmonic vibration force in the system is suppressed, so as to achieve the purpose of suppressing the harmonic vibration of the rotor at low speed, and provide technical support for the application of the magnetic levitation control moment gyro on the "ultra-quiet" satellite platform. Background technique [0002] The magnetic bearing in the control moment gyroscope CMG (Control Moment Gyroscope, CMG) uses electromagnetic force to levitate the rotor. Because there is no contact between the bearing rotor and the stator, compared with mechanical bearings, the CMG using magnetic suspension bearings has the following four adva...

Claims

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Application Information

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IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 崔培玲张国玺刘志远韩东许涵
Owner BEIHANG UNIV
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