Mathematical model of BLDCM system is derived from the characteristic of mathema tical model of PMSM and structure of inverting circuit of CRPWM.

• 根据永磁同步电动机数学模型的特点，结合电流反馈型脉宽调制逆变驱动电器的结构，推导了无刷直流电动机系统的数学模型。