Results 81 to 90 of about 141 (128)

Survey of Research for Performance Measurement of Mobile Manipulators. [PDF]

J Res Natl Inst Stand Technol, 2016
Bostelman R, Hong T, Marvel J.
europepmc   +1 more source

Optical Sensors and Methods for Underwater 3D Reconstruction. [PDF]

Sensors (Basel), 2015
Massot-Campos M, Oliver-Codina G.
europepmc   +1 more source

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Hydrogen Fuel Cells for Unmanned Undersea Vehicle Propulsion

ECS Transactions, 2016
The high efficiency of fuel cells combined with the high energy of hydrogen can be used to create energy systems for long endurance vehicles. As the automotive sector has developed fuel cells for this purpose, the same technology might enable long endurance unmanned undersea vehicles (UUVs).
Karen Swider-Lyons
exaly   +4 more sources

Fuzzy logic for depth control of Unmanned Undersea Vehicles

IEEE Journal of Oceanic Engineering, 1995
Fuzzy logic is a viable control strategy for depth control of undersea vehicles. It has been applied to the low speed ballast control problem for ARPA's unmanned undersea vehicle (UUV), designed and built by Draper. A fuzzy logic controller has been designed and tested in simulation that issues pump commands to effect changes in the UUV depth, while ...
exaly   +2 more sources

Bio-inspired unmanned undersea vehicle

SPIE Proceedings, 2010
Biological systems in ocean environment provide all the desired features required for design of unmanned undersea vehicles. We noticed the uniqueness and simplicity in the design of rowing medusa and have successfully demonstrated working prototypes of Aurelia Aurita. In this study, we demonstrate the effect of bell joints in reducing the contraction
Colin F. Smith, Shashank Priya
openaire   +1 more source

Recovering unmanned undersea vehicles with a homing and docking sonar

Proceedings of OCEANS 2005 MTS/IEEE, 2005
There is a great deal of interest in deploying and recovering an unmanned undersea vehicle (UUV) with a submarine or a surface ship. This paper describes a homing and docking sonar (HDS) that was developed for a 21-inch diameter UUV and host platform.
G.M. de Goede, D. Norris
openaire   +1 more source

A nonlinear sliding mode autopilot for unmanned undersea vehicles

Proceedings of OCEANS'94, 2002
A nonlinear sliding mode autopilot has been designed to control the United States Navy, Office of Naval Research (ONR) unmanned undersea vehicles (UUVs). The paper discusses the selection process behind the choice of the sliding mode technique, and the design of the autopilot.
S.J. Hills, D.R. Yoerger
openaire   +1 more source

Expanding Missions for Small Unmanned Undersea Vehicles (UUVs)

Volume 3: Materials Technology; Ocean Engineering; Polar and Arctic Sciences and Technology; Workshops, 2003
Small unmanned undersea vehicles (UUVs), those less than 150 pounds, have many advantages for field operations over the larger models. The increase in number and capabilities of these vehicles is opening doors for an ever expanding number of applications.
Barbara Fletcher, Robert L. Wernli
openaire   +1 more source

US Navy unmanned undersea vehicle navigation

Proceedings of OCEANS'94, 2002
The ability to guide and position an undersea vehicle with high precision lends itself to multiple missions, including mine warfare and undersea surveillance. In addition, precise navigation provides the capability to locate security threats and biological and oceanographic anomalies.
openaire   +1 more source

Feasibility Study on Unmanned Aerial Vehicle-Based Undersea Acoustic Sensing

Journal of Oceanography and Marine Research, 2019
An unmanned aerial vehicle (UAV) system with hybrid air-water quadcopter platform, named AquaQuad, was developed in the Department of Mechanical and Aerospace Engineering, Naval Postgraduate School. It can land on ocean surface with different sea-states for communication and provide undersea passive acoustic sensing.
Chu, P.C., Cason, L.R.
openaire   +2 more sources