摘要
针对某企业磁铁矿预选分选设备存在矿石定位不准和矿石边缘位置重叠难以实现连续分选的问题,设计了一种基于视觉定位的磁铁矿预选分选方案。该方案采用矿石磁信号阈值分割、视觉定位、分水岭算法分割得到磁铁矿类别及形心位置,并设计分选控制策略,从而实现合格矿分选。试验结果表明,该方案可实现磁铁矿准确定位与边缘重叠分割,并连续分选合格矿,平均选别效率为53.83%;单张矿石图像的平均处理时间为0.216 s,单个矿石颗粒的分选时间约为20 ms,可满足快速分选矿石的需求。
There are inaccurate positioning of ore and overlapping of ore edge positions in the magnetite pre-concentration and separation equipment of an enterprise,resulting in the difficulty of continuous separation.Aiming at theses problems,a magnetite pre-concentration and separation scheme based on visual positioning was designed.In this scheme,ore magnetic signal threshold segmentation,visual positioning,watershed algorithm segmentation were used to obtain magnetite category and centroid position,and separation control strategy was designed to realize qualified ore separation.The results show that the scheme can realize accurate positioning and edge overlapping segmentation of magnetite,and continuously separate qualified ore,with an average separation efficiency of 53.83%.The average processing time of a single ore image is 0.216 s,and the separation time of a single ore particle is about 20 ms,which can meet the needs of rapid separation of ore.
作者
利健
潘春荣
熊文清
LI Jian;PAN Chunrong;XIONG Wenqing(School of Mechanical and Electrical Engineering,Jiangxi University of Science and Technology,Ganzhou,Jiangxi 341400)
出处
《矿业研究与开发》
CAS
北大核心
2024年第8期248-254,共7页
Mining Research and Development
基金
江西省研究生创新专项项目(YC2021-S577)。
关键词
磁铁矿分选
视觉定位
边缘分割
磁信号检测
Magnetite separation
Visual positioning
Edge segmentation
Magnetic signal detection
作者简介
利健(1995-),男,江西九江人,硕士研究生,主要从事智能选矿装备制造研究。E-mail:1341447599@qq.com;通信作者:潘春荣(1973-),男,广东龙川人,博士,教授,博士生导师,主要从事机电一体化系统、制造过程的优化控制、智能制造研究。E-mail:chunrongpan@163.com。
