|本期目录/Table of Contents|

[1]熊璐伟,钟晓阳,李庶林,等.基于改进的HHT-SVM微震信号特征提取及分类识别研究*[J].中国安全生产科学技术,2023,19(10):13-20.[doi:10.11731/j.issn.1673-193x.2023.10.002]
 XIONG Luwei,ZHONG Xiaoyang,LI Shulin,et al.Research on feature extraction and classification and identification of microseismic signals based on improved HHT-SVM[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(10):13-20.[doi:10.11731/j.issn.1673-193x.2023.10.002]
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基于改进的HHT-SVM微震信号特征提取及分类识别研究*
分享到:

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年10期
页码:
13-20
栏目:
学术论著
出版日期:
2023-10-31

文章信息/Info

Title:
Research on feature extraction and classification and identification of microseismic signals based on improved HHT-SVM
文章编号:
1673-193X(2023)-10-0013-08
作者:
熊璐伟钟晓阳李庶林叶龙珍方鑫郑宗槟
(1.厦门大学 建筑与土木工程学院,福建 厦门 361005;
2.江西铁山垅钨业有限公司,江西 赣州 341000;
3.自然资源部丘陵山地地质灾害防治重点实验室,福建 福州 350002)
Author(s):
XIONG Luwei ZHONG Xiaoyang LI Shulin YE Longzhen FANG Xin ZHENG Zongbin
(1.School of Architecture and Civil Engineering,Xiamen University,Xiamen Fujian 361005,China;
2.Jiangxi Tieshanlong Tungsten Industry Co.,Ganzhou Jiangxi 341000,China;
3.Key Laboratory of Geohazard Prevention of Hill Mountains of Ministry of Nature Resources,Fuzhou Fujian 350002, China)
关键词:
微震信号爆破信号支持向量机希尔伯特-黄变换信号识别
Keywords:
microseismic signal blasting signal support vector machine (SVM) hilbert-huang transform (HHT) signal identification
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2023.10.002
文献标志码:
A
摘要:
为了解决实际工程中微震信号与爆破信号在波形上具有较强相似性,难以识别的问题,提出基于改进HHT-SVM的微震信号识别方法。分析2种信号的瞬时能量变化规律,发现微震信号具有孕育速度慢、持续时间短及峰后衰减速度慢的特点,对其进行量化处理并提取特征,构建多维特征向量。对输入的特征向量经功率谱熵特征加权算法赋予权重,并使用GSWOA算法对SVM进行参数寻优,建立信号识别网络对微震信号、爆破信号进行识别。研究结果表明:方法的综合识别成功率达到96.250%,能够有效识别微震、爆破信号。研究结果可为后续利用微震信号进行灾害预警提供有力支撑。
Abstract:
To solve the problem that the microseismic signals and blasting signals in actual engineering have strong similarity in waveforms and are difficult to identify,an identification method of microseismic signals based on improved HHT-SVM was proposed.The instantaneous energy change laws of the two signals were analyzed,and it was found that the microseismic signals had the characteristics of slow gestation speed,short duration and slow decay speed after the peak,then the microseismic signals were quantized and the features were extracted to construct a multi-dimensional feature vector.The input feature vectors were given weights by the power spectrum entropy feature weighting algorithm,then the parameters of SVM were optimized by using GSWOA algorithm,and a signal identification network was established to identify the microseismic signals and blasting signals.The results show that the comprehensive identification success rate of this method reaches 96.250%,which can effectively identify the microseismic and blasting signals.The research results can provide strong support for the subsequent use of microseismic signals for disaster warning.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2023-06-08
* 基金项目: 自然资源部丘陵山地地质灾害防治重点实验室(福建省地质灾害重点实验室)开放基金资助项目(FJKLGH2020K005);自然资源部丘陵山地地质灾害防治重点实验室(福建省地质灾害重点实验室)自主课题资助项目(KLGHZ202104,KY-07000-04-2022-020)
作者简介: 熊璐伟,硕士研究生,主要研究方向为矿山微震监测预警。
通信作者: 李庶林,博士,教授,主要研究方向为微震与声发射技术。
更新日期/Last Update: 2023-11-06