Fundamental Research in Prognostics and Diagnostic
at ORAU Workforce Solutions

Date Posted: 12/23/2018

Opportunity Description

Fundamental Research in Prognostics and Diagnostics for Total Material State Awareness and Condition Based Maintenance of Army Vehicles Advisors: Riddick, Jaret [Click Here To Join]) Haynes, Robert [Click Here To Join]) Key Words: Condition Based Maintenance, Total Material State Awareness, Structural Health Monitoring, Integrated Vehicle Health Management, Damage Precursors, Rotorcraft, Aircraft, Mechanics, Prognostics and Diagnostics United States Army Research Laboratory conducts basic and applied research involving prognostics and diagnostics for Future Force Protection. The services performed under this request will improve Army vehicle technology resulting in lighter weight, improvement in vehicle lifetime, and cost. The research effort is a critical part of on-going mission programs toward developing advanced prognostics and diagnostics methodologies for future and current Army vehicles. Without such development, the mission research will be negatively impacted. Ongoing projects include development of computational models and experimental analysis to aid diffractive shielding to mitigate blast/stress waves, development of analytical models and experimental validation to define the acoustic ultrasonic wave interaction with microplasticity zone around cracks and conducting fundamental experimental and analytical research to identify major drivers of micro-damage precursors in composites under cyclic loading leading to development of self responsive engineered composite materials for total material state awareness. This research effort will focus on development of advanced experimental and analytical methods for total material state awareness in Army Vehicles. Research proposals are invited to develop improved prognostics and diagnostics (P&D) methods based upon the basic sciences, e.g. physics, material science based methods, and damage/fault diagnosis and prognosis. The areas of technical interest include, but are not limited to, damage precursors nucleation and propagation, prognostic methods for the prediction of remaining useful life of a component and/or system, advanced sensing and sensor arrays, advanced signal processing techniques, sensor optimization and placement, data fusion, component and/or system level reasoners and reasoning methods, advanced P&D hardware/software, Structural Health Monitoring, Self Responsive Engineered Composite Materials leading to total material state awareness that can reduce the logistics footprint and life-cycle costs while increasing vehicle availability. References: Butler, S., Gurvich, M., Ghoshal, A. et al., 'Effect of Embedded Sensor on Interlaminar Damage in Composite Structures,' Journal of Intelligent Material Systems and Structures November 2011 vol. 22 no. 16 1857-1868. Ghoshal, A., Prosser, W. H, Kim H. S., Chattopadhyay, A. and Copeland, B.,“ Development of Embedded Piezoelectric Acoustic Sensor Array Architecture,” Microelectronics Reliability, Vol. 50, Issue 6, pp 857-863, June 2010. Click here for more information

Opportunity Snapshot

About Us

Oak Ridge Associated Universities (ORAU) administers Science, Technology, Engineering and Mathematics (STEM) research participation programs for civilians such as:

The U.S. Army Research Laboratory (ARL) Research Associateship Program (RAP) allow Postdoctoral Fellows, Journeyman Fellows (undergraduate and graduates students and recent graduates), Senior Researchers, and Summer Faculty engage in research initiatives of their own choice, that are compatible with the interests of the government and will potentially contribute to the general effort of the ARL. Scientists and engineers at ARL help shape and execute the Army's program for meeting the challenge of developing technologies that will support Army forces in meeting future operational needs.

Research opportunities include, but are not limited to the following disciplines: Aerospace Engineering, Anthropology, Archeology, Biology, Biochemistry, Biological Engineering, Biomechanical Engineering, Biomedical Engineering, Chemical Engineering, Chemistry, Computer Science, Computer Engineering, Electrical Engineering, Environmental Health Risk Assessment, Environmental Science, Entomology, Epidemiology, Ergonomics, Geology, Health Education Mechanical Engineering, Materials Science, Mathematics, Nanotechnology, Photonics, Physics, Public Health Economics, Public Health Policy, and more.

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