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设计笔记 | 采用GD32F130系列MCU设计冰箱压缩机变频板方案
如系统框图所示,整个系统为双闭环控制,内环为电流控制环路,外环为速度控制环路 ... 可以看到马鞍形的相电压波形,如下图所示: 转子角度观测器的实现 找到转子磁通的位置θ是FOC算法的关键,但在电机高速转动的过程中,Hall传感器的精度不够导致无法 ...
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