Results 171 to 180 of about 11,432 (211)
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UUV-platform cooperation in covert tracking
SPIE Proceedings, 2005In underwater tracking, such as with an unmanned undersea vehicle (UUV) or torpedo it is advantageous to track a target covertly. The Maximum Likelihood-Probabilistic Data Association (ML-PDA) tracking algorithm, which has been demonstrated to establish and maintain track in low SNR/high clutter environments, is used to develop track information in a ...
Wayne R. Blanding +3 more
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Autonomous UUV inspection — Revolutionizing undersea inspection
OCEANS'11 MTS/IEEE KONA, 2011Integrity Management of deepwater fields requires routine general inspection of critical infrastructure. To date, the only means of conducting such inspections is through the use of remotely operated vehicles (ROVs). Deepwater ROV spreads are big and heavy, requiring large support vessels with dynamic positioning capability and a significant number of ...
Dan McLeod, John Jacobson
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DC Motor Control Issues for UUVs
2006 14th Mediterranean Conference on Control and Automation, 2006The objective of the low level control system of marine vehicles is to generate a desired thrust in the face Of environmental disturbances and modelling uncertainties. The control objective of standard low level control solutions is the propeller angular speed that is assumed to be related to the produced thrust through a known hydrodynamic model.
G. INDIVERI, S. M. ZANOLI, G. PARLANGELI
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A pragmatic software architecture for UUVs
Proceedings of Symposium on Autonomous Underwater Vehicle Technology, 2002This paper describes the software control architecture that is being used at Florida Atlantic University for the autonomous underwater vehicles, Ocean Voyager II, and Ocean Explorer series. The architecture comprises of several supporting tools including a shared memory management system, a data logger, a monitor, various types of arbiters, and several
K. Ganesan +3 more
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Biosensor UUV payload for underwater detection
SPIE Proceedings, 2010Increased emphasis on maritime domain awareness and port security has led to the development of unmanned underwater vehicles (UUVs) capable of extended missions. These systems rely most frequently on well-developed side scan sonar and acoustic methods to locate potential targets.
Anne W. Kusterbeck +5 more
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A coordination architecture for UUV fleets
Intelligent Service Robotics, 2012This paper presents a modular and expandable architecture, which includes diversified functions and can be applied to heterogeneous fleets of unmanned underwater vehicles (UUVs), to solve the problem of decentralized formation coordination. The architecture is modular and each module is built such that it can solve a precise task using one or more ...
A. Freddi, S. Longhi, A. Monteriù
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Selection Criteria for Uuv Sonar Systems
Proceedings of the 6th International Symposium on Unmanned Untethered Submersible Technology,, 2005Comparison of sonars for potential UUV applications presents unique problems for users without extensive acoustic backgrounds. This paper presents a methodology for sonar selection tradeoff studies as well as evaluation of performance capabilities of several available units. Included are side-scan, forward scan and down-looking sonars, both single- and
W.J. Zehner, C.D. Loggins
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AUTONOMOUS CONTROL OF CLUSTERS OF UUVS
IFAC Proceedings Volumes, 2007Abstract This paper is concenred with the development of control strategies for autonomous mission planning of a multiple Unhabitated Underwater Vehicles (UUVs) that cooperate in order to perform a number of tasks. Missions of this type include multi-agent reconnaissance and multi-agent mine sweeping problems. The mission planning problem is posed as
Jonas Balderud +2 more
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The Riptide UUV: A new modular, open, low-cost micro-UUV
2016•Riptide is contracted to deliver multiple micro-UUVs to the US Navy •All specifications are being validated in test and in-water demonstrations •Alternate Energy Options will be validated when available •Riptide has an exclusive partnership with Open Water Power for the micro-UUV vehicle class and is supporting their ongoing power system development ...
Manley, Justin +6 more
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AUV/UUV fuel cell propulsion options
Proceedings of the 2002 Workshop on Autonomous Underwater Vehicles, 2002., 2003Low-temperature fuel cells offer the potential for long mission duration when coupled to a high-energy-density fuel in an auxiliary fuel tank. Candidate high-energy-density fuels include methanol, diesel, and jet fuels. However, all of these fuels must be reformed into hydrogen which is subsequently consumed by the fuel cell to generate electrical ...
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