Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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基于机器视觉的架桥机精准落梁控制系统研制

来源:电工电气发布时间:2025-09-26 10:26 浏览次数:1

基于机器视觉的架桥机精准落梁控制系统研制

解伟峰,卢超,张帆,师向南,周昱琛,杨怡丹
(陕西理工大学 物理与电信工程学院,陕西 汉中 723000)
 
    摘 要:为了提升架桥机架梁精准度,提高架梁速度,减少在架梁过程中因锚栓孔与支座上的锚栓对接不上而重新落梁的问题,研发一种基于机器视觉精准落梁控制系统,代替传统的人工观测梁片和桥墩中心十字线相对位置的方法,从而实现精准落梁。系统包含主机和从机,从机实现相机的自动升降和俯仰,以及图像信号的采集、信号的无线发送。主机通过图像处理算法进行分析、计算后,通过架桥机控制器连接架桥机可编程序控制器(PLC)控制架桥机放梁动作,实现精准落梁。经测试,系统具有定位精准、稳定性高、节省人力等特点,具有很好的推广前景。
    关键词: 机器视觉;架桥机;精准落梁控制系统;串级PID
    中图分类号:TH213 ;TP332.3     文献标识码:A     文章编号:1007-3175(2025)09-0062-06
 
Development of a Precise Beam Lowering Control System for Bridge
Erection Machine Based on Machine Vision
 
XIE Wei-feng, LU Chao, ZHANG Fan, SHI Xiang-nan, ZHOU Yu-chen, YANG Yi-dan
(School of Physics and Telecommunication Engineering, Shaanxi University of Technology, Hanzhong 723000, China)
 
    Abstract: In order to improve the accuracy of the bridge frame beam, increase the speed of beam erection, and reduce the problem of re-lowering the beam due to the anchor bolt holes not connecting with the anchor bolts on the supports during the beam erection process, a machine vision based precise beam lowering control system has been developed to replace the traditional method of manually observing the relative position of the beam and the centerline of the bridge pier, thereby achieving precise beam lowering. The system consists of a master and a slave, with the slave implementing automatic camera lifting and pitching, image signal acquisition, and wireless signal transmission.After the master analyzes and calculates through image processing algorithms, it connects to the programmable logic controller (PLC) of the bridge erection machine through the bridge erection controller to control the beam lowering action of the bridge erection machine, achieving precise beam lowering. After testing, the system has the characteristics of precise positioning, high stability, and labor-saving, and has good prospects for promotion.
    Key words: machine vision; bridge erection machine; precise beam lowering control system; cascade PID
 
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