【摘要】 永磁同步电动机用于主轴驱动需要宽调速范围 ,采用弱磁控制能防止逆变器饱和 ,从而提高了高速下转矩输出。提出了一个自适应弱磁控制算法 ,在预测电流控制的基础上增加参数辨识 ,用来克服电动机参数不准确带来的影响更多还原

【Abstract】 Permanentmagnetsynchronous motor may be applied to spindle drives requiring wide-speed operation.The technique is a flux-weakening control algorithm thatuses stator current components to prevent premature current regulator saturation,thereby improving the machine′s torque output capabilities at high speed. A real-time adaptive flux-weakening controller is presented and analyzed.The proposed current controlscheme isbased on predictive control with a identification algorithm so as to compensate for the inaccuracy of the motor parameters.更多还原