利用FPGA可编程芯片及Verilog HDL语言实现了对直流电机PwM控制器的设计，对直流电机速度进行控制。介绍了用Verilog HDL语言编程实现直流电机PwM控制器的PwM产生模块、串口通信模块、转向调节模块等功能，该系统无须外接D／A转换器及模拟比较器，结构简单，控制精度高，有广泛的应用前景。同时，控制系统中引入上位机控制功能，可方便对电机进行远程控制。-Using FPGA programmable chip and Verilog HDL language for the design of DC motor PwM controller, DC motor speed control. Introduced with the Verilog HDL language programming controller PwM DC PwM generated module, serial communication module, steering adjustment module and other functions, the system is an external D/A converters and analog comparators, simple structure, high control precision, there a wide range of applications. Meanwhile, the introduction of PC control system control functions can be easily remote control the motor.