[1]缪惠全.加速度基线漂移时域处理方法的对比研究[J].地震工程与工程振动,2022,42(02):135-150.[doi:10.13197/j.eeed.2022.0214]
 MIAO Huiquan.Comparative study of time-domain processing methods of acceleration baseline drift[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2022,42(02):135-150.[doi:10.13197/j.eeed.2022.0214]
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加速度基线漂移时域处理方法的对比研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
42
期数:
2022年02期
页码:
135-150
栏目:
论文
出版日期:
2022-04-30

文章信息/Info

Title:
Comparative study of time-domain processing methods of acceleration baseline drift
作者:
缪惠全12
1. 北京工业大学 城建学部, 北京 100124;
2. 北京工业大学 城市与工程安全减灾省部共建教育部重点实验室, 北京 100124
Author(s):
MIAO Huiquan12
1. Faculty of Urban Construction, Beijing University of Technology, Beijing 100124, China;
2. Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China
关键词:
基线漂移IwanEMD加速度积分数据处理
Keywords:
baseline driftIwanEMDacceleration integrationdata processing
分类号:
TN911.7O329O384
DOI:
10.13197/j.eeed.2022.0214
摘要:
工程系统中常采用测试加速度信号以获取物体振动速度或者位移,而加速度信号中不可避免的噪声信号则会导致积分速度和位移的基线漂移问题,从而导致真实信号的失真,严重时甚至完全掩盖真实信号的数值。文中在时域范围内系统性地对比研究了常见的4类针对这一问题的处理方法,分析了各类方法的基本原理和对某加速度信号样本的处理结果,指出了各类方法的局限性。在此基础上,文中于时域内提出了Iwan-EMD方法,并利用仿真信号验证了该方法的合理性。
Abstract:
Acceleration signals are often used in engineering systems to obtain the vibration velocity or displacement of objects. However,the inevitable noise in the acceleration signals will cause the baseline drift of the integrated velocity and displacement,which will cause the distortion of the real signal,and even completely cover the real signal in severe cases. This article systematically compares and studies the four kinds of methods in time-domain for this problem,analyzes the basic principles and shows the processing results of an acceleration sample. Meanwhile, it also points out the limitations of various methods. On this basis,this paper proposes a new method named as the Iwan-EMD method in the time domain. The simulation signal verifies the rationality of the new method.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-2-12;改回日期:2021-4-24。
基金项目:国家自然科学基金项目(52108427);北京市自然科学基金项目(8222008);中国博士后科学基金项目(2021M690278)
作者简介:缪惠全(1988-),男,讲师,博士,主要从事生命线工程研究.E-mail:miaohq@126.com
更新日期/Last Update: 1900-01-01