Results 241 to 250 of about 37,897 (291)

Ultrahigh-resolution 3D monitoring reveals sediment-derived plumes as algal bloom precursors. [PDF]

Environ Sci Ecotechnol
Xiao P, Zhang C, Tao Y, Xu T, Chen Y, Feng L, Kong L, Wen Z, Zheng W, Xu H, Guo L, Guo H, Pang Z, Li Z, He C, Xu S, Song K, Feng J, Yang Z, Hsu SC, Zheng C, Wang A, Savic D, Ren N.   +23 more
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An autonomous underwater vehicle for competition

2012 First National Conference for Engineering Sciences (FNCES 2012), 2012
The research of this paper was derived from the small autonomous underwater vehicle (AUV)Raider well performed in the 15th International Underwater Vehicle Competition (IAUVC),San Diego. In order to improve the performance of underwater vehicle, the control system of performance motion played an important role on autonomous underwater vehicles stable ...
Hai Tian, Bo Hu, Can Yu Liu, Guo Chao Xie, Hui Min Luo   +4 more
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Avoidance of underwater cliffs for autonomous underwater vehicles

IEEE/RSJ International Conference on Intelligent Robots and System, 2003
This paper introduces a method aiming to allow underactuated autonomous underwater vehicles navigating in an unknown environment to avoid underwater cliffs. Three electro-acoustic transducers situated in the front part of the vehicle provide bathymetric data.
Creuze, Vincent, Jouvencel, Bruno
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Neurofuzzy identification of an autonomous underwater vehicle

International Journal of Systems Science, 1999
Neurofuzzy modelling is ideally suited to many nonlinear system identification and data modelling applications. By combining the attractive attributes of fuzzy systems and neural networks transparent models of ill-defined systems can be identified. Available expert a priori knowledge is used to construct an initial model. Data modelling techniques from
Kev M. Bossley, Martin Brown 0001, Christopher J. Harris 0001   +2 more
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Navigation Technologies for Autonomous Underwater Vehicles

IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews), 2008
With recent advances in battery capacity and the development of hydrogen fuel cells, autonomous underwater vehicles (AUVs) are being used to undertake longer missions that were previously performed by manned or tethered vehicles. As a result, more advanced navigation systems are needed to maintain an accurate position over a larger operational area ...
L. Stutters, Honghai Liu 0001, C. Tiltman, David J. Brown 0002   +3 more
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A Vision System for an Autonomous Underwater Vehicle

[1992] Proceedings. 11th IAPR International Conference on Pattern Recognition, 1996
A vision system for the PISCIS project is described. This is a proposed project for the use of an untethered autonomous underwater vehicle (AUV) for pipeline inspection. The vision system is termed PVS (PISCIS vision system). It will assist the AUV in finding and following the pipeline.
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Design and construction of an autonomous underwater vehicle

Neurocomputing, 2014
Autonomous underwater vehicles (AUVs) are becoming increasingly popular for ocean exploration, military and industrial applications. In particular, AUVs are becoming an attractive option for underwater search and survey operations as they are inexpensive compared to manned vehicles.
Khairul Alam, Tapabrata Ray, Sreenatha G. Anavatti   +2 more
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An adaptive controller for autonomous underwater vehicles

2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2015
This paper introduces an adaptive tuning method for the controllers of a 4 degrees-of-freedom autonomous underwater vehicle. The proposed scheme consists of two control loops, one for position control and an inner one for velocity control. The gains of the controller are determined on-line, according to the position/velocity errors.
Corina Barbalata, Valerio De Carolis, Matthew W. Dunnigan, Yvan R. Petillot, David M. Lane   +4 more
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Multiple communicating autonomous underwater vehicles

IEEE International Conference on Robotics and Automation, 2004. Proceedings. ICRA '04. 2004, 2004
This paper addresses the problems associated with missions using multiple cooperating autonomous underwater vehicles. In such missions, inter-vehicle communication is an important requirement upon which coordination strategy and intelligence decision making functions can be built.
Edgar An, Pierre-Philippe J. Beaujean, Bertrand Baud, Ted Carlson, Andres Folleco, Tzyh Jong Tarn   +5 more
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