为了解决无刷直流电机控制准确性低和不稳定性问题,设计实现了一种高精度无刷直流电机模糊控制系统,以FPGA作为设计的硬件处理平台.硬件电路设计主要有FPGA外围电路、驱动电路和位置检测电路.实现了一种新的参数自适应模糊PID控制算法的闭环控制系统的硬件,该算法能有效提高电机的控制能力和增强其动态特性.通过硬件平台验证该系统能够有效地抑制转矩脉冲,同时缩短了控制时间,提高了系统的稳定性.该设计具有一定的工程参考及应用价值.%In order to improve control accuracy and stability of the brushless DC motor,a high?precision fuzzy control sys?tem of brushless DC motor was designed,in which FPGA is taken as the hardware processing platform. The hardware circuits in?cluding the FPGA peripheral circuit,driving circuit and position detection circuit were designed. The hardware of the closed?loop control system of the new parameter adaptive fuzzy PID control algorithm was implemented. The algorithm can improve the control ability and dynamic characteristic of the motor effectively. The verification results of hardware platform show that the sys?tem can suppress the torque pulses effectively,shorten the control time,and improve the system stability. The design has a cer?tain engineering reference and application value.
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