枕式包装机纠偏控制系统设计

Design of Deviation Correction Control System for Pillow Packaging Machine

目的针对传统枕式包装机纠偏控制系统在应用过程中容易出现跑偏的现象进行纠偏控制研究。方法采用单片机的工作原理设计枕式包装机纠偏控制电路,并给出纠偏控制电路的3种脉冲频率。根据机器视觉的控制规则,结合枕式包装机纠偏控制器工作原理设计枕式包装机纠偏控制器,并根据纠偏需求,设计CCD传感器与调频稳压电路。采用域纠偏控制系统相关的工具箱设计枕式包装机纠偏控制率参数。基于枕式包装机纠偏控制的数学形式计算枕式包装机纠偏控制增量,结合增量式控制原理设计枕式包装机纠偏控制程序,完成系统的软件设计。结果基于机器视觉的枕式包装机纠偏控制系统不仅可以提高枕式包装机纠偏控制精度,而且系统响应时间能够稳定在2 s以内。结论所设计的纠偏控制系统能够提高纠偏控制精度,并且缩短了系统响应时间,提升了系统的性能。

The work aims to study the deviation correction control system of traditional pillow packaging machine to solve the deviation in application.Based on the working principle of single chip microcomputer,the deviation correction control cir-cuit of pillow packaging machine was designed,and three pulse frequencies of the deviation correction control circuit were giv-en.According to the control rules of machine vision and the working principle of the deviation correction controller of pillow packaging machine,the deviation correction controller of pillow packaging machine was designed.According to the deviation correction requirements,CCD sensor and frequency modulation and voltage stabilizing circuit were designed.The toolbox re-lated to the domain deviation correction control system was adopted to design the deviation correction control rate parameters of pillow packaging machine.Based on the mathematical form of deviation correction control of pillow packaging machine,the deviation correction control increment of pillow packaging machine was calculated.Combined with the incremental control principle,the deviation correction control program of pillow packaging machine was designed,and the software design of the system was completed.The deviation correction control system of pillow packaging machine based on machine vision could not only improve the deviation correction control accuracy of pillow packaging machine,but also stabilize the system response time within 2 s.The designed deviation correction control system can improve the deviation correction control accuracy,shorten the system response time and improve the performance of the system.