| Citation: | FANG Y F，WU D Y，LIU T，et al. Model predictive current control of asynchronous motor in rolling mill based on sliding mode theory[J]. Journal of Beijing University of Aeronautics and Astronautics，2024，50（11）：3382-3390 （in Chinese） doi: 10.13700/j.bh.1001-5965.2023.0576
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The asynchronous drive motor of small-scale hot-rolling mills has the characteristics of high production efficiency and straightforward operation. However, due to its often harsh working environment with high temperature, high pressure, and dust, the performance requirements for the controller are higher. To use an adaptive sliding mode controller (ASMC) as the outer speed control loop and to calculate and observe the rotor flux via a full-order sliding mode flux observer (SMRFO), this article focuses on the asynchronous drive motor of small-scale hot-rolling mills. Sliding mode control theory and model predictive control are combined in this design process. According to simulation studies, this system may considerably increase response speed and accuracy over conventional model predictive current control systems while also efficiently controlling the asynchronous drive motor of small-scale hot-rolling mills. The system's capacity to promptly retrace the specified speed in the event of abrupt variations in the motor load torque enhances its anti-interference performance.
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