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METHOD FOR ADAPTIVELY ADJUSTING CONTROL PARAMETERS OF BBMC-BASED SPEED REGULATION SYSTEM OF ASYNCHRONOUS MOTOR
METHOD FOR ADAPTIVELY ADJUSTING CONTROL PARAMETERS OF BBMC-BASED SPEED REGULATION SYSTEM OF ASYNCHRONOUS MOTOR
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机译:基于BBMC的异步电动机速度调节系统的控制参数自适应调整方法。
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摘要
A mathematical model between the optimization objects and the optimization objectives is established, with finite-time control parameters as optimization objects, and a total harmonic distortion of an output voltage, a deviation signal of a capacitor voltage and a deviation signal of an output current of BBMC as optimization objectives. A multi-objective optimization satisfaction function and a multi-objective optimization fitness function are established. Multiple sets of optimal finite-time control parameters are iteratively optimized using an adaptive wolf pack algorithm. Functional relationships between respective optimal finite-time control parameters and the corresponding actual output current of BBMC are obtained using a numerical fitting method. Optimal control parameters corresponding to any load are obtained according to the obtained functional relationships. Therefore, the control parameters are adjusted in real time according to the functional relationships and the load of the BBMC-based speed regulation system or the actual output current of BBMC.
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