基于成本函数的反馈型磁通减弱的感应电机有限集模型预测控制
刘守行 魏东

辽宁科技大学，辽宁鞍山，114051；

摘要：针对感应电机弱磁区电压受限与参数敏感问题，提出基于成本函数的反馈型磁通减弱有限集MPC。构造仅与定子磁链增量相关的成本函数，免权重整定。将逆变器电压约束等效为空间磁链增量六边形边界，以最优成本表征电压裕度，用PI弱磁调节器补偿参考定子磁链来实现闭环弱磁控制。仿真验证其动态与鲁棒性优于对比方法。

关键词：感应电机；有限集模型预测控制；成本函数；弱磁控制

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