Active Disturbance Rejection Control With Self-Adjusting Parameters for Vibration Displacement System of Continuous Casting Mold

Continuous casting mold (CCM) is molding equipment of the casting blank and widely used in iron and steel metallurgy. This paper focuses on the tracking control of vibration displacement of CCM is driven by a servo motor. To address the non-unique inverse solution of the nonlinear periodic function, a new nonlinear processing algorithm is developed. Based on the algorithm, an active disturbance rejection controller (ADRC) with self-adjusting parameters to estimate and compensate the disturbances is proposed for suppressing the disturbances and improving the tracking performance. The simulation results demonstrate the effectiveness of the proposed control scheme.

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