中文摘要：

为了改善步进电机的启动特性，将 S型算法应用到步进电机的启动过程中，设计一种基于 S3 FN41 F微处理器的步进电机嵌入式控制系统，并将其应用于液晶屏（LCD）压合器中。对该算法进行实现与验证，结果表明：采用 S型控制算法的步进电机控制器能够更好地控制步进电机的运行，具有失步率低、振荡小、生产效率高等优点，能更好地应用于高速、高精度的压合系统中。

英文摘要：

In order to improve the starting characteristics of stepper motors,a S？shaped algorithm was utilized to their start？up controllers.A stepper motor control system based on S3FN41F microprocessor was designed and applied in the lamination device of liquid crystal display （LCD）.The algorithm was implemented and veri-fied in the control system mentioned above.The results indicated that the stepper motor controller using S？ shaped algorithm can control stepper motor to achieve excellent characteristics including low rate of out？of？ step,small oscillation and high production efficiency,which is of practical importance for the development of lamination systems with high speed and high precision.