An Inertial Axis Identification Method for Magnetic Bearing System Based on Nonlinear Adaptive Algorithm
A technology of self-adaptive algorithm and identification method, which can be used in measurement devices, instruments, rotating gyroscopes, etc., and can solve problems such as excessive initial current and slow parameter convergence speed.
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[0050] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation steps.
[0051] Such as figure 1 As shown, the present invention relates to a method for identifying the inertial axis of a magnetic bearing system based on a nonlinear self-adaptive algorithm. The cause and existence form of harmonic vibration; secondly, a nonlinear adaptive control algorithm is designed to realize the estimated value of the inertial center displacement of the maglev rotor converging to zero, and adaptively estimate the rotor unbalance and the Fourier coefficients of each harmonic component of the SensorRunout; Then, the identification of the same frequency component of Sensor Runout and rotor unbalance is realized by changing the strategy of rotor speed, that is, the identification of the inertial axis is realized; finally, the harmonic components of Sensor Runout and the Fourier coefficient of rotor unbalance in the nonlinea...
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