Results 141 to 150 of about 687 (180)
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Hovering and altitude control for open-frame UUVs
Proceedings 1999 IEEE International Conference on Robotics and Automation (Cat. No.99CH36288C), 2003A two-layered hierarchical guidance and control architecture for UUVs has been integrated with a set of model-based motion estimators in order to enable the execution of high precision motion tasks in proximity of the seabed for scientific benthic applications.
Massimo Caccia +2 more
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New Estimation Methods for the Navigation Error of the UUVs
2017 10th International Symposium on Computational Intelligence and Design (ISCID), 2017In this paper, we considered the problem to improve the performance of the UUV when the navigation error exists in the application of target acquisition. The mother ship guides the UUV to acquire the target based on the location information sent back by the UUV.
Li Zhang, Rong An, Xin Zhao
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UUV trajective tracking control based on ADRC
2016 IEEE International Conference on Robotics and Biomimetics (ROBIO), 2016In consider of docking task of AUV and underwater moving platform, an AUV tracking controller is designed. In this controller, target trajectory is calculated to determine AUV expected velocity and heading angle, during which, Lyapunov stability law is followed.
Guocheng Zhang +5 more
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REMUS UUV navigation accuracy testing
Oceans 2003. Celebrating the Past ... Teaming Toward the Future (IEEE Cat. No.03CH37492), 2003Three REMUS UUVs were taken to the Kingdom of Bahrain for testing 15 to 24 October 2002. The objective of the test was to measure the Probability of Detection/Classification, Contact Localization Accuracy, and to observe internal vehicle temperatures while operating in warm water.
T.J. McTrusty, J.D. Dudinsky
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Hydrocarbon fueled UUV power systems
Proceedings of the 2002 Workshop on Autonomous Underwater Vehicles, 2002., 2003Two hydrocarbon fueled internal combustion unmanned undersea vehicles (UUV) power sources incorporating a high-speed turbo-alternator are described, and their performance variation with operating depth and total energy is discussed. Turbine performance data is also discussed. These systems require only the refilling of tanks without disassembly between
D.H. Kiely, J.T. Moore
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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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2011
Small Unmanned Underwater Vehicles (UUV) are widespread in research due to their compactness and price. UUVs often come with a sensor suite, compass and pressure sensor, not suited for precise navigation. Automatic guidance of such vehicles is therefore not achievable due to the lack of positional awarness.
Vukić, Zoran +2 more
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Small Unmanned Underwater Vehicles (UUV) are widespread in research due to their compactness and price. UUVs often come with a sensor suite, compass and pressure sensor, not suited for precise navigation. Automatic guidance of such vehicles is therefore not achievable due to the lack of positional awarness.
Vukić, Zoran +2 more
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Nonlinear modelling, identification and control of UUVs
2006This chapter presents the unmanned underwater vehicle (UUV) equations of motion using the results of Fossen. The nonlinear model presented in this chapter is mainly intended for control systems design in combination with system identification and parameter estimation.
T. I. Fossen, A. Ross
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Distributed beamforming sonar for UUVs
Open Architecture/Open Business Model Net-Centric Systems and Defense Transformation 2022, 2022John E. Kleider, Chris Steenhoek
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Operational Assimilation into UUV and UAV Observations
2008Abstract : The long-term goal of this research is to provide a capability to extend limited observations of local waves and currents into a larger domain using physics-based models within the littoral zone. It is anticipated that unmanned underwater vehicles (UUVs) and/or underwater autonomous vehicles (UAVs) will be used to provide local observations,
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