对于永磁3相电机(BLDC,PMSM),需要其转子速度和/或位置信息,以便保持定子和转子磁场位置同步。如果在不使用物理传感器(HALL传感器,编码器等)的情况下获得转子速度/位置信息,则该驱动被称为“无传感器式”。六步驱动(也称为阻塞换相)是可用于 永磁同步电机(PMSM)和无刷直流(BLDC)电机的最常见标量驱动之一,因为它可以轻松实现无传感器控制。另外,当六步驱动处于电流模式时,可以控制电机电流的幅值,从而调节电机转矩。由于标量驱动不需要复杂的数学计算,可以在性价比高的 微控制器(从8位开始)上实现。
了解STSPIN32F0 系列嵌入32-Bit MCU,先进的无刷直流电机驱动
ST simplfies access to digital power advantages with configurable high efficiency interleaved PFC controller
STDRIVE101 demonstration board for three-phase brushless motors
STSPIN32G4 reference design for next generation smart actuators
Compact, configurable and customizable reference design for battery-operated brushless power tools based on STM32G431 and STDRIVE101
1.5 kW, 400 Vdc fault tolerant six-phase motor drive
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