SBIR/STTR
Wireless SAW Sensor Strain Gauge & Integrated Interrogator Design, Phase I
Project Introduction
Wireless, passive, Surface Acoustic Wave (SAW) temperature sensors, which can operate in a multi-sensor environment, have recently been successfully demonstrated. A network of four (4) Orthogonal Frequency Coded (OFC) sensors developed at the University of Central Florida (UCF) has been successfully interrogated wirelessly at a distance of seven (7) feet with a transceiver system developed by Mnemonics, Inc (MNI).
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Anticipated Benefits
A wireless, passive, coded sensor that is rugged, cheap and can be remotely interrogated has multiple applications at NASA. Temperature, pressure and acceleration sensors can be installed on the leading edges of wings to monitor temperature, pressure loss and also provide a profile of the forces on the structure. Additional NASA applications include acceleration sensing for monitoring vehicular acceleration and vehicular vibration, vehicular docking, rotation and directional sensing, tilt control, and fall detection. By exploring the future use of SAW devices for monitoring structural integrity, extreme temperature, extreme pressure, toxic or lethal environments, it is highly probable that the wireless SAW can change the future of Airframe safety and the required/planned maintenance process. This technology can allow the feasible embedment of sensors in key structural components of an airframe for persistent monitoring both during flight and as a post flight analysis. Not only could th A wireless, passive, coded sensor that is rugged, cheap and can be remotely interrogated has multiple applications at NASA. Temperature, pressure and acceleration sensors can be installed on the leading edges of wings to monitor temperature, pressure loss and also provide a profile of the forces on the structure. Additional NASA applications include acceleration sensing for monitoring vehicular acceleration and vehicular vibration, vehicular docking, rotation and directional sensing, tilt control, and fall detection. By exploring the future use of SAW devices for monitoring structural integrity, extreme temperature, extreme pressure, toxic or lethal environments, it is highly probable that the wireless SAW can change the future of Airframe safety and the required/planned maintenance process. This technology can allow the feasible embedment of sensors in key structural components of an airframe for persistent monitoring both during flight and as a post flight analysis. Not only could the structural integrity of the airframe be monitored but other critical states of air flight could be instrumented without the increased cost of weight associated with fiber optic or wired communication.
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Primary U.S. Work Locations and Key Partners
| Organizations Performing Work | Role | Type | Location |
|---|---|---|---|
Kennedy Space Center
(KSC)
|
Lead Organization | NASA Center | Kennedy Space Center, FL |
| Mnemonics, Inc. | Supporting Organization | Industry | Melbourne, FL |
| University of Central Florida | Supporting Organization | Academic | Orlando, FL |
Primary U.S. Work Locations
-
Florida
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Organizational Responsibility
Responsible Mission Directorate:
- Space Technology Mission Directorate (STMD)
Lead Center / Facility:
- Kennedy Space Center (KSC)
Responsible Program:
- SBIR/STTR
Project Management
Program Director:
Program Manager:
Project Managers:
Principal Investigators:
- Nikolai Koalovski
- Tj Mears
Project Duration
Start: Feb 2011
End: Feb 2012
Technology Maturity (TRL)
| Start: | 2 |
| Current: | 2 |
| Estimated End: | 3 |
Applied Research
Development
Demo & Test
Technology Areas
Primary:
- TX14 Thermal Management Systems
- TX14.3 Thermal Protection Components and Systems
- TX14.3.5 Thermal Protection System Instrumentation
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