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Home » About TSi » News » Press Release |
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Innovative Damage Detection Technology 12 June 2006 - Techno-Sciences, Inc. (TSi), in collaboration with the Smart Structures Laboratory of the Alfred Gessow Rotorcraft Center at the University of Maryland (UMD), and Bell Helicopter, was awarded a Phase II SBIR contract by the United States Army Aviation Applied Technology Directorate (AATD) on 12 June 2006. According to project Principal Investigator, Dr. Peter Chen, this program will develop an innovative damage detection technology that examines a structure using a suite of distributed, in-situ sensors coupled with an Acousto-Ultrasonic damage detection methodology. Commercial Off-the-Shelf (COTS) components are used for data acquisition and wireless data transmission. An energy harvesting device is used to power the electronic components. This integrated package, known as a Structural Integrity Monitoring System (SIMS), continuously gathers and transmits data back to a host computer for damage detection purposes. Data manipulation and reduction leading to pilot alerts can be performed by the SIMS or at a centralized host computer. Flight tests will be conducted at the end of the Phase II program to validate the performance and benefits of the SIMS technology in accordance to the Army's Rotorcraft Structural Integrity Program (RISP) Most maintenance programs rely on a safe life approach where components are replaced at prescribed times even though they may still be structurally viable. To address this issue, one of the DOD objectives for a rotorcraft Condition Based Maintenance (CBM) program is a 25% reduction in airframe maintenance labor. A condition based approach to maintenance enabled by the proposed SIMS technology allows the part to be removed only when the part reaches a critical state, reducing wasteful inspection costs and replacements and extending useful life. The benefits of the proposed SIMS technology can be extended to myriad systems and vehicles, including manufacturing systems, air, land, and sea systems in the DoD and civilian sectors. |
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