نتایج جستجو برای: Autonomous underwater vehicles
تعداد نتایج: 135695 فیلتر نتایج به سال:
Coefficients or hydrodynamic derivatives of autonomous underwater vehicles play a key role in their development. The most popular way for the estimation of coefficient is to implement captive model tests such as straight line tests and planar motion mechanism tests in towing tanks. In this paper, investigation of hydrodynamic derivatives was performed based on the water tunnel maneuvers. Forces...
Autonomous Underwater Vehicles (AUVs) are powerful tools for exploring, investigating and managing our ocean resources. As the capabilities of these platforms continue to expand and they continue to mature as operational assets, navigation remains a fundamental technological component. This chapter presents a road map for the vehicle designer to aid in integrating the latest navigation methods ...
Navigation is one of the most critical factors in determining the operational suitability of any unmanned vehicle for its designated environment. In fully autonomous vehicles, due to the lack of a human operator to perform the navigation task, there is a fundamental requirement to incorporate estimation techniques that can provide the desired information necessary for navigation. Such informati...
We present an application of HUGIN to solve problems related to diagnosis and control of autonomous vehicles. The application is based on a distributed architecture supporting diagnosis and control of autonomous units. The purpose of the architecture is to assist the operator or piloting system in managing fault detection, risk assessment, and recovery plans under uncertainty. To handle uncerta...
The development of two new classes of commercial underwater robotic vehicles – deep diving work-class remotely operated vehicles and survey-class autonomous vehicles – is being driven by the needs of deep water oil production and deep ocean telecommunication cable operations. This paper presents a survey of the present state and future directions of commercial underwater robotics, examines prin...
Underwater vehicles have been extensively applied to underwater intervention missions instead of human in recent years. As the crucial equipment of underwater vehicles, underwater manipulators typically play an important role in the underwater tasks. Generally, underwater manipulators are operated manually by human with remotely operated vehicles (ROVs). A KORDI ROV with a dual teleoperated man...
Development of autonomous underwater vehicles (AUVs) which meets the design constraints and provides the best hydrodynamic performance is really an important challenge in the field of hydrodynamics. In this paper a new profile is used for designing the hull of AUVs. The nose and tail profiles of an AUV using presented profile is designed such that it can properly consider the length constraints...
The underwater Gliders are a kind of autonomous vehicles that have a special role in ocean surveys which demand continuous monitoring and long endurance. Because of low energy consumption and long endurance, these vehicles are favorite for these missions. Among this, a type of gliders can harvest ocean thermal energy, causing significant endurance increase. These vehicles need at least 680 mete...
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