{"project":{"acronym":"","projectId":89820,"title":"Optimal Realtime Damage Identification in Composite Structures","primaryTaxonomyNodes":[{"taxonomyNodeId":10756,"taxonomyRootId":8816,"parentNodeId":10751,"level":3,"code":"TX08.3.5","title":"Electromagnetic Wave Based Sensors","definition":"Electromagnetic wave based sensors are sensor systems utilizing Ultra Violet, millimeter wave, and fiber-optic based detectors for discrete measurements, and for system monitoring and control.","exampleTechnologies":"Strain, temperature, pressure, structure/materials, etc. measurements","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":6,"endTrl":6,"benefits":"The primary application of this technology meets NASA�s requirements for improved measurement and analysis techniques for acquisition of real-time, in-flight data used to determine aerodynamic, structural, flight control, and propulsion system performance characteristics. The technology can also be used to provide test conductors the information to safely expand the flight and test envelopes of aerospace vehicles and components.
Many non-NASA commercial markets exist that can realize significant benefits from this new technology for testing, verification and validation of highly integrated/synergistic structures in the aerospace, automobile, and infrastructure industries. Commercial aviation, the oil and gas industry, and land and marine vehicles will benefit significantly from this technology.","description":"Intelligent Fiber Optic Systems Corporation (IFOS) proposes to develop an effective real-time, in situ damage locating and growth monitoring system of composite structures by optimizing a smart, high-speed fiber Bragg grating (FBG) sensor and piezoelectric actuator placement strategy. A new damage identification technique is proposed from which damage in composites such as delamination and impact-related defects can be detected. The proposed technique utilizes the pitch-catch Lamb wave signals obtained from an FBG sensor and piezoelectric actuator network, without the need of baseline signals from the pristine condition. The project goals include designing an ultra-high-speed/high resolution, small footprint FBG sensor and piezoelectric actuator network plus an FBG interrogator, constructing a system model, fabricating a test platform and developing signal processing algorithms to identify and measure Lamb wave 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 as a measurement method for damage identification in composite structures. The methodology proposed by IFOS includes using advanced signal processing algorithms. IFOS and its collaborators in this project will develop a Phase II plan that includes a development and integration strategy, potential demonstration opportunities, program schedule, and estimated costs.","startYear":2016,"startMonth":6,"endYear":2016,"endMonth":12,"statusDescription":"Completed","principalInvestigators":[{"contactId":390328,"canUserEdit":false,"firstName":"Richard","lastName":"Black","fullName":"Richard J Black","fullNameInverted":"Black, Richard J","middleInitial":"J","primaryEmail":"rjb@ifos.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","primaryEmail":"jason.l.kessler@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":215154,"canUserEdit":false,"firstName":"Jennifer","lastName":"Gustetic","fullName":"Jennifer L Gustetic","fullNameInverted":"Gustetic, 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The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.
The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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