1. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Recent Development and Application of Structural Control and Health monitoring Aiqun Li School of Civil Engineering Southeast University June 2008

2. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA  Introduction  Viscoelastic Damper  Viscous Fluid Damper  Tuned Liquid Damper / Tuned Mass Damper / Active Mass Damper Damper / Active Mass Damper  Challenges and Future Directions CONTENTS

3. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Characteristics of Structural Control Real-time Control Huge Weight Low Frequency Economical

4. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Viscous Fluid Damper Loop of Damping Force and Displacement Different kinds of Fluid Dampers

5. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Application in Civil Engineering Applied in Vibration Reducing of Buildings, High- rise Buildings, Super High-rise Buildings ， Towers ， Long-span Structures and Bridges, etc.

6. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Contents Contents  Introduction  Structural health monitoring system  Baseline finite element modeling  Structural damage alarming  Data Analysis of GPS Monitoring System  Data Analysis of Wind Monitoring System  Data Analysis of Stress Monitoring System

7. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Introduction Determination of damage existence Determination of damage’s geometric location Quantification of damage severity Prediction of remaining life of the structure Objective of structural health monitoring

8. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Structural health monitoring and condition assessment system for Runyang Yangtse River Bridge 150T 超大型车辆过桥监测 ( 2005.7.20) 台风 “ 麦莎 ” 期间监测数据分析（ 2005.8.7 )

9. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Wavelet packet energy spectrum of structural response Wavelet packet energy spectrum of structural response Multi-scale decomposition of structural response Multi-scale decomposition of structural response Multi-scale decomposition of structural system Multi-scale decomposition of structural system t Structural damage alarming Strategy and methodology

10. 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

11. Aiqun Li, Professor, Ph.D, School of Civil Engineering, Southeast University,CHINA Thanks for your attention!