Active Damage Detection & Visualization for Naval Assets

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-11-C-0492
Agency Tracking Number: N10A-042-0344
Amount: $1,485,843.00
Phase: Phase II
Program: STTR
Awards Year: 2011
Solicitation Year: 2010
Solicitation Topic Code: N10A-T042
Solicitation Number: 2010.1
Small Business Information
Metis Design Corporation
10 Canal Park, Suite 601, Cambridge, MA, 02141
DUNS: 000000000
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Seth Kessler
 President
 (617) 661-5616
 skessler@metisdesign.com
Business Contact
 Seth Kessler
Title: President
Phone: (617) 661-5616
Email: skessler@metisdesign.com
Research Institution
 UCSD
 Carlos Molina J.D.
 9500 Gilman Drive
Mail Code 0934
La Jolla, CA, 92093-0934
 (858) 534-0247
 Nonprofit college or university
Abstract
This proposal presents an optimized approach for Structural Health Monitoring (SHM) of naval assets. This research leverages hardware previously developed by Metis Design Corporation (MDC), including distributed digitization hardware, piezoelectric-based damage-localization sensors, and a data accumulation hub. Collaborating with UCSD, there were three main thrusts for the Phase I research: sensor placement optimization using a Bayesian risk minimization approach, guided wave-based algorithm development using a hybrid phase coherent/incoherent approach, and data visualization using a sonar-image reconstruction approach. This Phase I culminated in a blind demonstration of the technology on a large aluminum plate, detecting and illustrating multiple damage locations introduced by Navy staff. This Phase II effort will seek to mature this approach to be suitable for deployment on multiple naval platforms. The initial task will focus on compensation for environmental and operational loading conditions. The second task will focus on developing robust generic tools that could be used for SHM system design, algorithm calibration and visualization customization. The final task option will provide validation for these tools including the compensation elements on large-scale components in the laboratory and then in a relevant environment. At the completion of the program, this SHM system will be available for navy fleet deployment.

* information listed above is at the time of submission.

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