基于视觉传感的焊缝跟踪技术研究和展望  

STUDY AND PROSPECT OF SEAM-TRACKING TECHNOLOGY BASED ON VISION SENSORS

作　　者：谢志孟[1] 高向东[1] 

机构地区：[1]广东工业大学机电工程学院,广州市510090

出　　处：《焊接》2005年第4期5-9,共5页Welding & Joining

基　　金：国家自然科学基金项目(60375012);广东省自然科学基金(020176)项目资助

摘　　要：概述了弧焊过程焊缝跟踪的发展现状,着重介绍了基于视觉传感的焊缝跟踪技术。综合论述了被动光视觉法和主动光视觉法的基本原理、优缺点和应用情况,详细讨论了图像预处理、图像分割和边缘检测的各种处理方法及实践应用,并分析了经典PID控制、模糊控制、神经网络控制和专家系统等控制技术在焊缝跟踪中的应用发展。文章对基于视觉传感的焊缝跟踪技术的发展作了展望。This paper summarizes the development of seam-tracking technology in the arc welding process. Especially, the discussion is mainly focused on the seam-tracking technology based on vision sensors. The principles, advantages, drawback and applications of passive and active vision technique are generally discussed. And the techniques of image pre-processing, image division and edge detection are presented in this paper. Also, the development of control technology of classical PID control, fuzzy control, neural network control and expert system are researched. Finally, the future development of seam-tracking technology based on vision sensors is prospected.

关 键 词：焊缝跟踪技术 视觉传感 展望 神经网络控制 图像预处理 PID控制 弧焊过程 基本原理 应用情况 实践应用 处理方法 边缘检测 图像分割 模糊控制 应用发展 控制技术 专家系统 优缺点 

分 类 号：TG409[金属学及工艺—焊接] TP13[自动化与计算机技术—控制理论与控制工程]