期刊论文

Loosenedbolt damage detection based on computer vision

中文

武汉轻工大学学报

2095-7386

2023

42

03

91-98

10.3969/j.issn.2095-7386.2023.03.014

:湖北省住房 2020:城市建设厅项目 2021Y47:武汉轻工大学校立科研项目

本校为第一机构

螺栓连接是钢结构的主要连接方式。钢结构在服役过程中，因长期循环荷载作用等外界环境影响，螺栓连接将不可避免发生松动、损伤等病害。如何快速有效地识别螺栓松动等损伤对于确保结构的完备以及安全至关重要。基于计算机视觉技术，以特征追踪算法为基础，通过自动识别不同时间采集到的相片中的特征点的分布情况识别结构中松动的螺栓，建立了钢结构螺栓连接状态的非接触无损检测方法。首先找出相片中的特征点，然后追踪这些特征点在不同时间下的状态，绘出特征点的运动轨迹，根据运动轨迹的状态判断与之相关联的螺栓是否有损，如若螺栓松动，则与该螺栓关联的特征点会显示出唯一的运动状态，通...

Bolted steel joints are one of the most common connections in steel structures.Under long-term cyclic loadings,the bolt steel joints of the steel structures have many damages and monitoring the state of the bolt steel joints is particularly important to ensure the funct...MORE Bolted steel joints are one of the most common connections in steel structures.Under long-term cyclic loadings,the bolt steel joints of the steel structures have many damages and monitoring the state of the bolt steel joints is particularly important to ensure the functionality and safety of the structures.Among all the ...