un Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Recent Development and Application of Recent Development and Application of tructural Control and Health monitorin tructural Control and Health monitorin Aiqun Li Aiqun Li School of Civil Engineering School of Civil Engineering Southeast University Southeast University June 2008 June 2008
11
Embed
Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Recent Development and Application of Structural Control and Health.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA
Recent Development and Application of Recent Development and Application of Structural Control and Health monitoringStructural Control and Health monitoring
Aiqun LiAiqun LiSchool of Civil EngineeringSchool of Civil Engineering
Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA
Structural damage alarming method and system based on the energy variations of structural ambient vibration responses decomposed using wavelet packet analysis
WPES Calculation Method
小波函数的选择
最优小波包基的选择
损伤特征频带的选择
WPES Index
损伤预警指标的构造
损伤敏感性比较分析
噪声鲁棒性比较分析 0
10
20
30
40
50
0 2 4 6 8 10 12 14 16 18 20 22
小时
损伤
预警
指标
(%
)
0 50 100 150 200 25010
-4
10-2
100
102
0 50 100 150 200 25010
-3
10-2
10-1
100
101
102
Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA
Thanks for your attention!Thanks for your attention!