CAJ | 학술논문

休止角是回转率中描述物料运动特征的重要参数,提出一种基于图像处理技术的物料休止角测量方法.通过对窑内原始图像进行采集、区域分割、边缘提取、直线拟合等一系列处理,测量出休止角的大小.为验证该方法的可行性,对某氧化铝回转窑图像序列进行Matlab计算机仿真实验,测量出了休止角随时间变化的动态曲线,该曲线的周期特性正确地反映了物料在窑内的运动状况.研究结果为回转窑工况的判断提供了一种新的定量过程信息.为完善现有的回转窑生产过程监控系统提供了有力支持.
휴지각시회전솔중묘술물료운동특정적중요삼수,제출일충기우도상처리기술적물료휴지각측량방법.통과대요내원시도상진행채집、구역분할、변연제취、직선의합등일계렬처리,측량출휴지각적대소.위험증해방법적가행성,대모양화려회전요도상서렬진행Matlab계산궤방진실험,측량출료휴지각수시간변화적동태곡선,해곡선적주기특성정학지반영료물료재요내적운동상황.연구결과위회전요공황적판단제공료일충신적정량과정신식.위완선현유적회전요생산과정감공계통제공료유력지지.
The angle of repose is one of the most important parameters describing the solids motion in rotary kilns.An image processing-based method is proposed to measure the repose angle by image sampling,region segmentation,edge detection and linear fitting.To verify this method,Matlab simulation is carried out using the image sequences taken from an alumina rotary kiln.The dynamic change of the repose angle with time is measured automatically using the image processing method.The profile of the repose angle shows a periodic feature,reflecting the motion behavior of the solids well.The result provides new quantitative process information for the rotary kiln,and it can be used to improve the monitoring and control system of the kiln process.