高炉无料钟炉顶布料料流轨迹检测与三维图像重建  

Measurement of charging trajectory in bell-less top burden of blast furnace and 3-D image reconstruction

作　　者：杜鹏宇[1] 程树森[1] 滕召杰[1] 

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083

出　　处：《冶金自动化》2009年第6期1-6,共6页Metallurgical Industry Automation

基　　金：国家自然科学基金项目(60872147);国家十一五支撑计划(2006BAE03A01)

摘　　要：针对高炉无料钟炉顶布料时无法直接观察炉内料流轨迹、获得料面形状等信息的问题,对料流轨迹进行检测和重建。首先根据高炉工况确定激光发生器合理的光谱范围,建立极坐标光学栅格,确定料流轨迹的特征点,然后采用三角法原理,引入模式识别中的立体视觉技术进行轨迹检测后,采用专业图像处理模块对料流轨迹图像进行分析,对料流轨迹图像进行三维重建,直观地获得布料过程中料流轨迹的三维信息。实际应用表明,极坐标栅格技术和立体视觉技术能够保证料流轨迹的准确获得。In the process of bell-less top burden of blast furnace,charging trajectory and burden surface profile can not be observed directly.To this end,measurement and reconstruction of charging trajectory was carried out.Firstly,reasonable scope of spectrum was defined according to situation of blast furnace,polar coordinate laser grid was established,and characteristic points of charging trajectory were determined.Then,based on machine stereoscopic vision technology in pattern recognition and trigonometry principle,charging trajectory was measured.With professional image processing module the charging trajectory image was analyzed.3-D reconstruction of charging trajectory image was implemented.3-D information of charging trajetory in burden was obtained.Practical application showed that accurate charging trajectory can be got by using polar coordinate grid technique and stereoscopic vision technology.

关 键 词：料流轨迹 极坐标 光学栅格 立体视觉 三维重现 

分 类 号：TF543.3[冶金工程—钢铁冶金] TP242.62[自动化与计算机技术—检测技术与自动化装置]