Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Soon Gie Lee"'
Publikováno v:
Structural Health Monitoring. 13:307-320
This article proposes a continuous relative wavelet entropy–based reference-free damage detection algorithm for truss bridge structures. Advantages of the proposed method are that (1) there is no need to measure dynamic response of pristine structu
Autor:
Soon Gie Lee, Gun Jin Yun
Publikováno v:
Smart Structures and Systems. 12:181-207
In this paper, a statistical reference-free real-time damage detection methodology is proposed for detecting joint and member damage of truss bridge structures. For the statistical damage sensitive index (DSI), wavelet packet decomposition (WPD) in c
Publikováno v:
KSCE Journal of Civil Engineering. 16:377-387
In this paper, an improved mode accuracy indicator is presented to more efficiently distinguish physically true modes from computational spurious modes generated by Eigensystem Realization Analysis (ERA) methods. Since the system order of real-life s
Decentralized damage identification using wavelet signal analysis embedded on wireless smart sensors
Publikováno v:
Engineering Structures. 33:2162-2172
In this paper, a decentralized damage identification method using wavelet signal analysis tools embedded on wireless smart sensors (Imote2) has been proposed and experimentally validated. The damage identification analysis is decentralized by calcula
Autor:
Hoon Cheol Park, Soon Gie Lee
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 33:100-107
Autor:
Soon Gie Lee, Gun Jin Yun
Publikováno v:
SPIE Proceedings.
This paper proposes a continuous real-time structural health monitoring (SHM) and damage detection system. Wavelet packet decomposition (WPD) with a likelihood ratio was used for the damage sensitive indicator (DSI). A benchmark model updating struct
Publikováno v:
SPIE Proceedings.
In this paper, a wavelet entropy based damage identification method is experimentally validated using wireless smart sensor units (Imote2) with TinyOS-based firmware. Recently, the wireless smart sensor network has drawn significant attention for app
Publikováno v:
Smart Materials and Structures. 23:125034
In this paper, a multistep damage quantification method has been experimentally validated by quantifying crack damage of load-carrying members of truss structures based on experimental vibration records. Damage quantifications are still challenging t
Publikováno v:
Smart Materials & Structures; Dec2014, Vol. 23 Issue 12, p1-1, 1p