时空特征统一建模的支架阻力连续性分类及来压特征研究  

Support pressure continuity classification and mine pressure characteristics by unifying spatiotemporal characteristics modeling

作　　者：陈毅琪 刘长友 刘锦荣 杨培举 卢硕 魏金凯 CHEN Yiqi;LIU Changyou;LIU Jinrong;YANG Peiju;LU Shuo;WEI Jinkai(School of Mines,Key Laboratory of Deep Coal Resource Mining(CUMT),Ministry of Education,China University of Mining and Technology,Xuzhou,Jiangsu 221116,China;Jinneng Holding Group,Datong,Shanxi 037000,China)

机构地区：[1]中国矿业大学矿业工程学院,深部煤炭资源开采教育部重点实验室,江苏徐州221116 [2]晋能控股集团,山西大同037000

出　　处：《采矿与安全工程学报》2024年第6期1202-1211,共10页Journal of Mining & Safety Engineering

基　　金：国家自然科学基金项目(52074267,52174137);江苏省研究生科研创新计划项目(KYCX21-2367)。

摘　　要：通过网格化建模,采用无监督聚类算法提取时空相关性特征,得到了支架阻力数据的连续性标记结果,并将工作面来压集聚性区域剥离了出来。基于支架阻力数据的连续性标记结果,将同一循环中分类值最高的标签作为此循环的标签,可得到工作面来压的周期性分布曲线,进而实现对周期来压特征参数的全程序化求解。同时衡量动压系数和来压持续循环数两项指标,可以实现对不同强度来压的分类。研究结果表明,与现场人工观测所得周期来压特征相比,本文方法所得来压判别结果准确率为90.91%,成功率为100%,证明了所得结果的可靠性。在来压强度分类方面,准确判别出了现场被标记为较强烈的来压,并实现了对被标记为强烈来压的细粒度划分,从而实现了对来压分类的科学精准判识。Gridding modeling and extraction of spatiotemporal correlation characteristics are conducted using unsupervised clustering algorithms to achieve continuity labeling results for support pressure data and to identify areas with pressure agglomeration at the working face.Based on the continuity labeling results,the label with the highest classification value in the same cycle is adopted as the label for this cycle,thereby periodic distribution curve of the incoming pressure at the working face can be obtained,which enables the fully programmed solution of the characteristic parameters of the periodic incoming pressure.Simultaneously measuring both the dynamic pressure coefficient and the number of continuous incoming pressure cycles enables the classification of various levels of incoming pressure strengths.Compared with the periodical incoming pressure characteristics obtained by manual observation in the field,the method yielded incoming pressure discrimination results with 90.91%accuracy and a 100%success rate,validating the reliability of the results.In terms of incoming pressure classification,the relatively strong on-site pressures are accurately recognized,while the strong pressures are classified in depth,thus the scientific and accurate classification of incoming pressures is realized.

关 键 词：支架状态 时空特征 连续性分类 来压判别 来压分类 

分 类 号：TD325[矿业工程—矿井建设]