针对某船舶模型定位系统中调速电机，以FPGA(现场可编程门阵列)为控制器，采用数字比例积分调节器实现电机的速度控制算法，设计出数字化调速控制器-Positioning system for a ship model in the motor speed, the FPGA (field programmable gate array) for the controllers, proportional integral regulator with digital speed of the mo