在纸板生产过程中，横切定位控制系统作为纸板成型的最后程序对纸板的成品进行切割，切割的技术性能和设备的状态调整都会直接影响成品纸板质量，例如纸板切割尺寸是否满足生产要求、纸板截面是否有破损以及截面是否光滑美观等。为了提高纸板横切定位控制系统的切割精度，实现同步跟随和精确切割的目的，对纸板横切定位控制系统进行研究。 通过分析纸板横切定位控制系统的原理和工艺，采用PLC运动控制器接收触摸屏发出的任务和指令，控制伺服驱动器带动电机运转，同时编码器时刻检测纸板速度和切刀位置。给出了横切定位控制系统中电机的运动控制规律，并结合了模糊PID算法，讨论了切刀速度与纸板进给速度同步实现以及对纸板切割长度的控制。根据人机界面的软件编写人机界面监控程序并利用PLC的软件编程实现切刀和纸板的切割。通过搭建试验平台，对系统进行调试。采用PFC预测算法和模糊PID算法对切刀的运动轨迹进行MATLAB仿真，比较可知PFC算法在抗干扰、稳定性等方面的控制效果比模糊PID算法较好。通过对系统中出现的问题进行分析和解决，实现纸板横切定位控制的功能。 首先对纸板横切定位控制系统的硬件进行了设计，采用松下A5系列的伺服驱动器和伺服电机，实现对电机的精确控制，并结合编码器和测速轮实现同步跟随和精确切割。其次对系统的程序和人机界面进行了设计，并在实验室的环境中进行了实验测试，满足纸板横切定位控制系统的要求。最后，对系统进行算法改进，并通过仿真，可以实现提高切割精度的目的。

Cardboard production process of lateral positioning control system is the final solution. The cutting performances and the equipment adjustment will directly affect the quality of the finished board, such as the cut size of the cardboard meeting production requirements, cardboard cross section being damaged, smooth in appearance and other cross sections. In order to improve the cutting accuracy of the system and achieve the purpose of precise simultaneous tracking and cutting, the paper board cross position control system is studied. The principle and technology of cardboard cross positioning control system is analyzed. After the task and the touch screen a servo drive control of the PLC controller has been received, drive motor controlled operation instructions and encoder measured the cardboard cutting machines speed and position. The motor control method is given in the cross motion positioning control system. Combined with the fuzzy PID algorithm, the paper discusses the cutting control length of the cutting tool and the feeding rate synchronously. According to the development and use of man-machine interface, knife and chopping board is fulfilled by using man-machine interface and PLC software program. The system is debugged through testing platform. Using the PFC and fuzzy PID algorithm, MATLAB simulation achieves knife’s trajectory. Through the comparisons, PFC’s interference, the stability of the impact is better than the fuzzy PID algorithms’. Through this system, the problem of the existing problem is analyzed and the paper realizes the function of cardboard cross positioning control. Firstly, the cardboard cross positioning hardware control system has been designed. Through the design, Panasonic A5 series servo driver and servo motor which is been chose realized the precise control of motor and followed synchronous precision cutting. Secondly, the program and the man-machine interface of the system has been designed and experimentally tested in a lab environment, to meet the cardboard cross positioning control systems. Finally, the improved algorithm of the system can improve the machining accuracy through simulation tests.