Composite Overwrapped Pressure Vessels (COPV) Monitoring System Using Fiber

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,947.00
Award Year:
2011
Program:
SBIR
Phase:
Phase I
Contract:
NNX11CG39P
Award Id:
n/a
Agency Tracking Number:
104584
Solicitation Year:
2010
Solicitation Topic Code:
O3.04
Solicitation Number:
n/a
Small Business Information
CA, Santa Clara, CA, 95054-1008
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
877452664
Principal Investigator:
VahidSotoudeh
Principal Investigator
(408) 565-9000
vs@ifos.com
Business Contact:
BehzadMoslehi
Business Official
(408) 565-9004
bm@ifos.com
Research Institute:
Stub




Abstract
Intelligent Fiber Optic Systems Corporation (IFOS) proposes, in this Phase 1 SBIR project, to demonstrate the feasibility of innovations based on an ultra-light-weight, ultra-high-speed, multi-channel, optical fiber sensor system for acoustics emissions (AE) monitoring for detection of damage and cracks in composite overwrapped pressure vessels (COPV). The project goals are to (1) design an ultra-high-speed, high resolution , small-foot-print fiber Bragg grating (FBG) sensor interrogator, (2) construct a system model, (3) test platform including embedded FBG sensors and (4) develop signal processing algorithms to identify and measure AE signals in the presence of a quasi-static background strain field. The system model will demonstrate proof-of-principle and the test results will provide proof-of-functionality of the proposed sensor system for monitoring AE including using the advanced fiber optic sensor signal processing algorithms. AE will be measured on composite cylinders performing pencil break or impact hammer tests. The model test results will be compared to the measurements made concurrently by a standard single channel piezoelectric AE transducer. In Phase 1, IFOS will also develop a Phase 2 strategy plan that includes development and integration strategy, potential demonstration opportunities, program schedule, and estimated costs.

* information listed above is at the time of submission.

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