Online Identification of Shearer Cutting State Using Infrared Thermal Images of Cutting Unit

Online Identification of Shearer Cutting State Using Infrared Thermal Images of Cutting Unit
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利用截割部红外热图像在线识别采煤机截割状态

DOI:
10.3390/app8101772
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发表时间:
2018-09
影响因子:
2.7
通讯作者:
Chao Tan
Chao Tan
中科院分区:
综合性期刊4区
文献类型:
--
作者:
Lei Si;Zhongbin Wang;Yiwen Liu;Chao Tan

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为了实现采煤机截割状态的准确识别,本文创造性地采用了红外热图像。针对采煤机截割部位置不断变化,且附近温度明显不同的特点,采用数学形态学理论对截割部红外热图像进行检测。在此基础上,提出了一种基于形态学和时空背景(STC)算法相结合的目标跟踪方法,实现了切割单元的跟踪。然后,提取该跟踪区域的温度场特征,构建基于支持向量机的智能分类器,对采煤机截割状态进行识别。实验结果表明了该方法的可行性和优越性。
In order to achieve accurate identification of a shearer cutting state, infrared thermal images were creatively adopted in this paper. As the position of a shearer cutting unit is constantly changing, and the temperature in the vicinity is obviously distinct, mathematical morphology theory was used to detect the cutting unit in an infrared thermal image. Furthermore, a target tracking method is put forward to achieve cutting unit tracking based on the combination of morphology and a spatio-temporal context (STC) algorithm. Then, the temperature field features of this tracking area were extracted, and an intelligent classifier based on a support vector machine (SVM) was constructed to identify the cutting state of the shearer. Some experiments are presented, and the results indicate the feasibility and superiority of the proposed method.
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期刊: Expert Syst. Appl.
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