High-latitude oceanography using the Autosub autonomous underwater vehicle
نویسندگان
چکیده
منابع مشابه
High-latitude oceanography using the Autosub autonomous underwater vehicle
A combination of measurements from Autosub, an autonomous underwater vehicle, and ship-based instruments are used to describe the oceanographic conditions beneath Fimbul Ice Shelf, Antarctica. The data show an intricate oceanographic regime that is suggestive of variability at seasonal or longer time scales. Results from a numerical model of the flow beneath the ice shelf lend support to a stro...
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As autonomous underwater vehicles (AUVs) enter operational service an assessment of their reliability is timely. Using the Autosub AUV as an example, several design issues affecting reliability are discussed, followed by an analysis of recorded faults. Perhaps contrary to expectations, failures rarely involved the autonomous nature of the vehicle. Rather, faults were typical of those that occur...
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The Autosub-la autonomous underwater vehicle (AUV) designed, built and operated by the Southampton Oceanography Centre is a medium endurance, multipurpose sensor platform designed for marine science studies of the upper ocean. With a specified range of 250 km, operating at 3.8 kt, and a diving depth capability of 500 m the vehicle has completed 179 engineering and science missions in UK coastal...
متن کاملDevelopment of a Simple Navigation System for the Autosub Autonomous Underwater Vehicle
Autosub is a project funded by the Natural Environment Research Council in the UK, with the aim of developing unmanned autonomous underwater vehicles to carry out long range scientific missions in the deep ocean. The navigation system is critical to the survival of the vehicle, and so it is important that appropriate software engineering methods are used. Structured analysis and design methods ...
متن کاملOPTIMIZED FUZZY CONTROL DESIGN OF AN AUTONOMOUS UNDERWATER VEHICLE
In this study, the roll, yaw and depth fuzzy control of an Au- tonomous Underwater Vehicle (AUV) are addressed. Yaw and roll angles are regulated only using their errors and rates, but due to the complexity of depth dynamic channel, additional pitch rate quantity is used to improve the depth loop performance. The discussed AUV has four aps at the rear of the vehicle as actuators. Two rule bases...
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ژورنال
عنوان ژورنال: Limnology and Oceanography
سال: 2008
ISSN: 0024-3590
DOI: 10.4319/lo.2008.53.5_part_2.2309