Nontarget image-based technique for small cable vibration measurement
YF Ji, CC Chang - Journal of Bridge Engineering, 2008 - ascelibrary.org
In this paper, a proof-of-concept image-based technique is proposed for measuring small
cable vibration. The technique analyzes an image sequence of a vibrating cable segment …
cable vibration. The technique analyzes an image sequence of a vibrating cable segment …
Flexible videogrammetric technique for three-dimensional structural vibration measurement
CC Chang, YF Ji - Journal of engineering mechanics, 2007 - ascelibrary.org
A videogrammetric technique is proposed for measuring three-dimensional structural
vibration response in the laboratory. The technique is based on the principles of close-range …
vibration response in the laboratory. The technique is based on the principles of close-range …
[HTML][HTML] Image-based operational modal analysis and damage detection validated in an instrumented small-scale steel frame structure
The use of image-based techniques in structural dynamics is constantly growing thanks to
the decrease in the cost of high-speed cameras and the improvement in image processing …
the decrease in the cost of high-speed cameras and the improvement in image processing …
Structural health monitoring using video stream, influence lines, and statistical analysis
Civil infrastructure systems experience damage, overloading, aging due to normal
operations, severe environmental conditions, and extreme events. These effects change the …
operations, severe environmental conditions, and extreme events. These effects change the …
Three-dimensional structural translation and rotation measurement using monocular videogrammetry
CC Chang, XH **ao - Journal of engineering mechanics, 2010 - ascelibrary.org
Measuring displacement for large-scale structures has always been an important yet
challenging task. In most applications, it is not feasible to provide a stationary platform at the …
challenging task. In most applications, it is not feasible to provide a stationary platform at the …
Temporary cable force monitoring techniques during bridge construction-phase: The Tajo River Viaduct experience
A Gaute-Alonso, D Garcia-Sanchez, C Alonso-Cobo… - Scientific Reports, 2022 - nature.com
This article deals with the comparative analysis of current cable force monitoring techniques.
In addition, the experience of three cable stress monitoring techniques during the …
In addition, the experience of three cable stress monitoring techniques during the …
A videogrammetric technique for measuring the vibration displacement of stay cables
Stay cables in cable-stayed bridges are prone to large amplitude oscillations under external
excitations. The vibration of the cables is predominantly measured by using accelerometers …
excitations. The vibration of the cables is predominantly measured by using accelerometers …
Measurement of shaft orbits with photographic images and sub-sampling technique
Vibration measurement in rotating machines is an important procedure in the identification of
malfunctions and in the prevention of failure. In this case, due to difficulties in mounting …
malfunctions and in the prevention of failure. In this case, due to difficulties in mounting …
A computer vision-based approach for structural displacement measurement
Y Ji - Sensors and Smart Structures Technologies for Civil …, 2010 - spiedigitallibrary.org
Along with the incessant advancement in optics, electronics and computer technologies
during the last three decades, commercial digital video cameras have experienced a …
during the last three decades, commercial digital video cameras have experienced a …
A novel image-based approach for structural displacement measurement
YF Ji, QW Zhang - Proc. 6th Int. Conf. Bridge Maintenance, Safety …, 2012 - books.google.com
With the incessant advancement in optics, electronics and computer technologies during the
last three decades, commercial digital video cameras have experienced a remarkable …
last three decades, commercial digital video cameras have experienced a remarkable …