Methods for forewarning of critical condition changes in monitoring civil structures
Abstract
Sensor modules (12) including accelerometers (20) are placed on a physical structure (10) and tri-axial accelerometer data is converted to mechanical power (P) data (41) which then processed to provide a forewarning (57) of a critical event concerning the physical structure (10). The forewarning is based on a number of occurrences of a composite measure of dissimilarity (C.sub.i) exceeding a forewarning threshold over a defined sampling time; and a forewarning signal (58) is provided to a human observer through a visual, audible or tangible signal. A forewarning of a structural failure can also be provided based on a number of occurrences of (C.sub.i) above a failure value threshold.
- Inventors:
- Publication Date:
- Research Org.:
- ORO (Oak Ridge Office, Oak Ridge, TN (United States))
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1083901
- Patent Number(s):
- 8,410,952
- Application Number:
- 12/962,787
- Assignee:
- UT-Battelle, LLC (Oak Ridge, TN)
- DOE Contract Number:
- AC05-00OR22725
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Abercrombie, Robert K., and Hively, Lee M. Methods for forewarning of critical condition changes in monitoring civil structures. United States: N. p., 2013.
Web.
Abercrombie, Robert K., & Hively, Lee M. Methods for forewarning of critical condition changes in monitoring civil structures. United States.
Abercrombie, Robert K., and Hively, Lee M. 2013.
"Methods for forewarning of critical condition changes in monitoring civil structures". United States. https://www.osti.gov/servlets/purl/1083901.
@article{osti_1083901,
title = {Methods for forewarning of critical condition changes in monitoring civil structures},
author = {Abercrombie, Robert K. and Hively, Lee M.},
abstractNote = {Sensor modules (12) including accelerometers (20) are placed on a physical structure (10) and tri-axial accelerometer data is converted to mechanical power (P) data (41) which then processed to provide a forewarning (57) of a critical event concerning the physical structure (10). The forewarning is based on a number of occurrences of a composite measure of dissimilarity (C.sub.i) exceeding a forewarning threshold over a defined sampling time; and a forewarning signal (58) is provided to a human observer through a visual, audible or tangible signal. A forewarning of a structural failure can also be provided based on a number of occurrences of (C.sub.i) above a failure value threshold.},
doi = {},
url = {https://www.osti.gov/biblio/1083901},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 02 00:00:00 EDT 2013},
month = {Tue Apr 02 00:00:00 EDT 2013}
}
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