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Modified Acoustic Emission for Prognostic Health Monitoring

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX16CS76C
Agency Tracking Number: 150092
Amount: $747,642.00
Phase: Phase II
Program: STTR
Solicitation Topic Code: T12.01
Solicitation Number: N/A
Solicitation Year: 2015
Award Year: 2016
Award Start Date (Proposal Award Date): 2016-09-29
Award End Date (Contract End Date): 2018-09-28
Small Business Information
1116 South Main Street
Blacksburg, VA 24060-5548
United States
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 David Gray
 Principal Investigator
 (540) 808-4281
Business Contact
 Steve Poland
Title: CEO
Phone: (540) 315-3649
Research Institution
 Virginia Tech
 Ginger Belay
North End Center, Suite 4200
Blacksburg, VA 24061-0170
United States

 (540) 231-0619
 Domestic Nonprofit Research Organization

Prime Photonics proposes to team with Dr. Duke of Virginia Tech to develop a multi-mode, enhanced piezoelectric acoustic emission sensing system to couple large damage events to local distribution of damage accommodation. Our system will be centered around an instrument designed to accept the output of a piezoelectric transducer sensitive to in-plane acoustic events. The signal processing path will not only monitor high energy acoustic emission events to detect impact events, but also transitions in the background power spectral density of the acoustic emission events, and real time strain. The system will be designed to operate with macro fiber composite (MFCs) sensors to provide the simultaneous AE and strain detection, but will also accept as inputs traditional isometric type transducers. Augmentation of background acoustic energy transition states with temporal and spatial information about impact and strain enables unprecedented non-destructive evaluation capabilities to enable semi-autonomous structural health monitoring of systems and components.

* Information listed above is at the time of submission. *

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