Method for deciding radial rotation stability of magnetic suspension rotor system
A magnetic levitation rotor, radial rotation technology, applied in special data processing applications, instruments, electrical digital data processing and other directions, can solve the problem of not having the intuitiveness and robustness of classical control theory, inconvenient for practical applications, and not suitable for strong gyro coupling Effects of magnetic levitation rotor system, etc.
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[0043] The content of the present invention is introduced in conjunction with a magnetic suspension high-speed rotor system used in a magnetic suspension control moment gyroscope.
[0044] The flow chart of stability determination is as follows: figure 1 As shown, the differential equation model of the radial rotation motion dynamics of the maglev rotor system is established first, and the real coefficient two-variable equation is transformed into the complex coefficient single-variable form by complex number transformation, and the complex coefficient single-variable equivalent system is obtained, and then the equivalent complex coefficient is drawn. The dual-frequency Bode diagram of the open-loop transfer function of the coefficient system uses the stability criterion in the frequency domain to determine the stability of the radial rotation motion. If it is stable, the precession and nutation of the rotor are both stable. Nutation is unstable.
[0045] Maglev rotor system ...
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