Award Data

UUV"s have become increasingly important tools in the collection of environmental data. Their unique ability to operate independent of surface vessel conditions allows artic measures when traditional means is not possible. It is now well agreed that artic regions are critical to man"s understanding of the environment. Historically sensor packages for UUV"s have been based on"adaptions"of ship depl ...

White River Technologies, Inc. proposes this effort involving non-acoustic sensing methods and sensor fusion technologies to detect and characterize seabed objects of interest in littoral environments relevant to US Naval activities. Current and evolving threats to maritime dominance require the Navy to adapt to potential hazards from a variety of sources, which could include terrorism, and to ope ...

This STTR Phase II Proposal addresses the need for a low cost acoustic transmitter that combines a power amplifier, control-circuitry and an innovative transducer assembly, all at a low cost. Our approach is to use a cylindrical modal vector projector transducer which becomes part of the housing and, moreover, uses only a minimum of power to provide a sizable source level. The modal vector project ...

The OASIS/WHOI team will design and develop a long-range under-ice acoustic navigation and telemetry system. The Phase I work has resulted in a much-improved model for under-ice acoustic propagation and an in-depth exploration of the potential for regional scale (200-500 km) acoustic navigation and communication. Phase II work will focus on bounding the design problem and selecting a suitable freq ...

Areas of research relating to self-healing composites structures have been undertaken by well-known and respected research institutions under the auspices of the Department of Defense. Patent literature and public technical communique describe their novel engineering approaches using polymeric healing agents through suitable mechanisms. While these approaches have merit, the choices of materials u ...

Vertical short takeoff and landing (VSTOL) operators face numerous challenges, particularly during takeoff, hover, and landing operations. Threats take the form of power lines, structures, and—in the case of combat—enemy fire. Often, these threats are obscured when visibility is compromised by dust, sand, or snow. Maintaining awareness of the surrounding environment becomes almost impossible. ...

Irregular warfare is increasingly the dominant form of military engagement. It is dynamic and unforgiving of errors, requiring warfighters to adapt fluidly to novel, complex, and ill-defined problems. The goal of this Phase II STTR is to implement and refine a training tool that builds adaptive expertise. The system teaches the learner to recognize and understand the fundamental principles underly ...

The suppression of a ship’s magnetic signature is important in the effort to thwart detection by adversarial forces and prevent engagement with magnetic fused weapons. There are two ways to model ship magnetic signatures; through the use of finite element based analytical models and through the use of physical scale models (PSM). Finite element based analytical models are less expensive and have ...

TBD

Icing is among aviation’s most serious weather hazards because it renders aircraft unflyable before flight and severely reduces aircraft performance during flight. Existing approaches for mitigating ice accretion on leading edges, such as the inflatable boot and liquid deicer can significantly increase weight, power requirements and manufacturing complexity without providing sufficient reliabili ...