AUTONOMOUS UNDERWATER VEHICLE


What are submarines/Underwater Vehicles?

Machines which can submerge from the surface of waters.

Generally classified into two
1.Manned vehicles
2.Unmanned vehicles.


A brief history

.First submarine – TURTLE made by David Bushnell and his brother Ezra in 1775

.The world's first practical powered submarine, the Resurgam was built by Reverend George W. G ....etc

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1 INTRODUCTION
Due to extreme difficulty in gathering sub aquatic observations, very little is known about the oceans and their inhabitants. We do know, however that the oceans are an extremely complex and an equally important part of the world in which we live. They cover the majority of the planet's surface, influence our climate, host countless species of plants and animals, and are home to important geological processes. Since they are notoriously difficult to study, they present one of the final frontiers for ex ....etc

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autonomous underwater vehicle or submarines ppt ....etc

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SYNOPSIS
Autonomous underwater gliders, and in particular autonomous underwater gliders, represent a rapidly maturing technology with a large cost-saving potential over current ocean sampling technologies for sustained(month at a time) real-time measurements.
This report gives us an overview of the main building blocks of an underwater glider system for propulsion, control, communication and sensing. A typical glider operation, consisting of deployment, planning, monitoring and recovery will be descri ....etc

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Abstract
While wireless communication technology today has become part of our daily life, the idea of wireless undersea communications may still seem far-fetched. However, research has been active for over a decade on designing the methods for wireless information transmission underwater. Human knowledge and understanding of the worldâ„¢s oceans, which constitute the major part of our planet, rests on our ability to collect information from remote undersea locations.
The major discoveries of the pa ....etc

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Field Trials of the Nereus Hybrid Underwater Robotic Vehicle in the Challenger Deep of the Mariana Trench
Abstract—
This paper reports the results of sea trials of the
Nereus hybrid underwater robotic vehicle (HROV) conducted in
May and June 2009 in the Challenger Deep of the Mariana
Trench, where the vehicle successfully performed scientific observation
and sampling operations at hadal depths of 10,903 m.
The Nereus underwater vehicle is designed to perform scientific
survey and sampling to the full depth of the ocean — sig ....etc

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INTRODUCTION
The ocean covers some 70% of our planet and is a rich fund of information on global health, climate change, and resource degradation. Studying marine ecosystems, ensuring port security, and monitoring oil pipelines and leaks of hazardous materials in transit are some of the specific reasons for profiling the concentration and distribution of substances in the ocean.
Considerable research has been conducted to develop and assess methods of sensing the ocean on spatial and temporal scales ranging fr ....etc

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