视觉引导触摸屏高精度自动贴合系统  

Visual Guidance based Automatic Touchscreen Fitting System

作　　者：苏鹭梅 张辑[1] 薛勇[1] 张权[1] 

机构地区：[1]厦门理工学院电气工程与自动化学院,福建厦门361024

出　　处：《厦门理工学院学报》2017年第1期44-49,共6页Journal of Xiamen University of Technology

基　　金：厦门市留学人员科研项目(厦人社[2016]314号-05);福建省中青年教师教育科研项目(JA15386)

摘　　要：针对传统半自动化触摸屏贴合工艺存在的诸多问题,设计一种视觉引导触摸屏高精度自动贴合系统。利用双重角点检测算法对待装配的触摸屏进行双重定位,并通过可编程逻辑控制器(PLC)对多轴控制系统进行精准操控,实现视觉引导多轴控制系统对触摸屏的贴合。实验结果表明,系统贴合精度可达±0.2 mm。该系统可自动完成触摸屏从定位到贴合的完整过程,同时可兼容多种型号触摸屏的自动贴合,摆脱了模具对生产的限制。Novel automation touchscreen fitting method applies computer vision technology to multi- axesontrolystem. A novel image processing algorithm named two layers corner detection algorithm is proposed to detect the position of corners with two phases. Based on the coordinate values of the detected corners, pulse and direction signals are generated by PLC and used to control the multi-axes motion control. The experimental results demonstrated that the fitting of the proposed method ± 0. 25 mm. Moreover, the proposed methods are available to the fitting of other sizes of touchscreen without the limitation of mould.

关 键 词：触摸屏贴合 双重角点检测算法 可编程逻辑控制器 视觉引导 多轴控制系统 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]