Award Data

Novel approaches are needed to improve the performance and reduce the size, number and signature of antennas with significantly enhanced efficiency in HF-UHF. It has been shown recently hesitivity, which is able to characterize the performance of the material and categorize the radiation efficiency of magnetodielectric wire antennas; the higher the hesitivity, the higher the attainable antenna eff ...

The Navy is continually developing new technologies to improve warfighting effectiveness. These technologies risk overloading Aircrews physical and cognitive capacities, thereby degrading performance. To mitigate that risk, the Navy needs a system to assess Aircrews physical and cognitive workloads unobtrusively and objectively. Such a system must (1) perform real-time data collection in a robust ...

The introduction of new systems and technologies is critical for maintaining superiority, yet this brings with it uncertainty regarding the impact on users, teams, and organizations. Rigorous test and evaluation (T&E) practices are therefore essential prior to acquiring and instituting new technologies, particularly to assess the workload imposed on end users. Traditionally, workload assessment ha ...

Foil/air bearings have the benefit of negligible friction and wear once sufficient airflow is obtained; however, during spin up and spin down these bearings are subject to contact with the rotating surfaces upon which they act and thus are subject to frictional losses and wear. Modern air-cycle machines (ACMs) depend on solid lubricant based coating materials such as polyimide coatings to protect ...

The goal of the proposed research is to develop light-weight, flexible, high efficiency solar cells made from perovskite halide light-harvesting materials for use on unmanned aircraft systems (UAS), for use in conjunction with an energy storage system. Solar cells have historically been heavy, costly, and inflexible. In this research, low-cost manufacturing methods will be used to make high effici ...

The objective of STTR Topic N16A-T013, Cyber Forensic Tool Kit for Machinery Control, is to develop live digital forensics that, at run time, provide a cyber-protection strategy and aid in identification of malfunctions due to malicious and non-malicious events, while ensuring minimal impact on overall system performance. A proposal has been prepared by TDI Technologies, Inc., a small business bas ...

Military and civilian agencies can benefit from systems that create 4D, spatio-temporal representations of dynamic scenes for target tracking, law enforcement, crowd control, disaster recovery, etc. Proliferation of imaging sensors such as surveillance cameras, car- and body-mounted cameras, and cell phones, provides the opportunity for reconstructing a dynamic scene in a very inexpensive way. Tod ...

The ubiquity of high-resolution imagery and video taken by surveillance cameras, handheld cameras, vehicle-mounted cameras, and airborne cameras is creating a rich source of dynamic data that offers opportunities for effectively solving defense, security and law enforcement problems. But in order to develop effective scene and activity understanding applications we must develop robust, accurate an ...

This effort is focused on establishing an important capability of providing a comprehensive, advanced model of the three-dimensional acoustic field, including propagation, scattering, and reverberation in complex and dynamic environments. This new 3D acoustic model would feed the Navys sonar performance estimation tool with a purpose of addressing the optimal placement of sensors in complicated en ...

A particularly challenging task for the US Navy today is that of Explosive Ordnance Disposal (EOD) of underwater mines; the Mine Countermeasures (MCM) mission. The semi-submersible Remote Multi-Mission Vehicle (RMMV) has emerged as an unmanned solution to handle MCM missions. While the RMMV is groundbreaking, the basis of the technology is a relatively slow-moving watercraft.GreenSight Agronomics, ...