基于信息物理融合系统的采煤机煤岩识别系统建模与仿真  

MODELING AND SIMULATION OF COAL-ROCK RECOGNITION SYSTEM OF SHEARER BASED ON CYBER-PHYSICAL SYSTEM

作　　者：赵丽娟[1] 司欢欢 施磊 金鑫[1] 张美晨 ZHAO LiJuan;SI HuanHuan;SHI Lei;JIN Xin;ZHANG MeiChen(College of Mechanical Engineering,Liaoning Technical University,Fuxin 123000,China)

机构地区：[1]辽宁工程技术大学机械工程学院,阜新123000

出　　处：《机械强度》2022年第6期1402-1410,共9页Journal of Mechanical Strength

基　　金：国家自然科学基金项目(51674134);教育部科技发展中心教育技术研究基金(2018A04025)资助。

摘　　要：为解决煤矿综采工作面采煤机煤岩界面智能识别的问题,提出了一种基于信息物理融合系统(Cyber Physical Systems,CPS)的采煤机煤岩识别系统结构。并针对该系统进行了混合系统仿真设计,构建了基于Ptolemy II的无线传感网系统模型,完成了无线传感器节点的设计与建模。并对系统进行整体仿真,从物理样机系统中提取实验数据,基于小波包特征提取及PSO-BP神经网络算法构建了信息处理系统模型,通过Ptolemy II与Matlab联合仿真,验证了基于CPS的煤岩识别系统的可靠性。仿真结果表明:系统联合仿真的平均误差值比单一方法仿真得到的结果偏大,最大误差为0.027924,误差仍在许可范围内。通过混合系统仿真得到的结果更加真实反映了采煤机煤岩识别过程,预测精度较高,研究为CPS混合系统建模与仿真提供一定贡献。In order to solve the problem of intelligent identification of coal-rock interface of shearer in fully mechanized coal mining face, a CPS-based coal-rock identification system structure of shearer is proposed. A hybrid system simulation design was carried out for the system, a wireless sensor network system model based on Ptolemy II was constructed, and the design and modeling of the wireless sensor node was completed. The overall simulation of the system was carried out, the experimental data was extracted from the physical prototype system, and the information processing system model was constructed based on the wavelet packet feature extraction and the PSO-BP neural network algorithm. Through the joint simulation of Ptolemy II and Matlab, the reliability of the CPS-based coal-rock identification system is verified.The simulation results show that the average error value of the system co-simulation is larger than the result obtained by the single method simulation, the maximum error is 0.027 924, and the error is still within the allowable range. The results obtained through the simulation of the hybrid system more truly reflect the coal-rock identification process of the shearer, and the prediction accuracy is higher. The research provides a certain contribution to the modeling and simulation of the CPS hybrid system.

关 键 词：煤岩识别 PtolemyⅡ 系统仿真 CPS 采煤机 

分 类 号：TD421[矿业工程—矿山机电]