Results 91 to 100 of about 3,364 (224)

Hydrodynamics of unmanned underwater vehicles

open access: yes, 2022
Remotely Operated Vehicle (ROVs) is a research and development effort, ROVs are commonly used in the oil and gas industry for pipeline inspection and maintenance. For this project, it will design ROV prototype by the CAD program and describe the equation of motion to determine the hydrodynamic forces generated by (ROVs) submerged in water, in the ...
openaire   +1 more source

An Unmanned Underwater Vehicle Defence System

open access: yesScientific Bulletin of Naval Academy, 2022
Nowadays, military threats are very close to us and cover terrestrial, aerial, and maritime attacks. This research defines a submarine defence system capable of monitoring and controlling a certain perimeter, based on submersible drones known as Unmanned Underwater Vehicles (UUV) and a grid of stations fixed to the seabed, which provides positioning ...
openaire   +1 more source

Unmanned underwater vehicle design

open access: yes, 2022
Denizaltılar, su altında ve yüzey seviyesinde bağımsız hareket edebilen araçlardır. Tehlikeli, gizli ve uzun sualtı aktiviteleri yapabilmek için, insansız ve cep boyutunda, uzaktan kontrol edilebilen veya otonom sualtı araçlarının geliştirilmesine ihtiyaç vardır.
openaire   +1 more source

Experimental Verification of a Depth Controller using Model Predictive Control with Constraints onboard a Thruster Actuated AUV [PDF]

open access: yes, 2012
In this work a depth and pitch controller for an autonomous underwater vehicle (AUV) is developed. This controller uses the model predictive control method to manoeuvre the vehicle whilst operating within the defined constraints of the AUV actuators ...
Rogers, E.   +4 more
core  

Grid-based GA path planning with improved cost function for an over-actuated hover-capable AUV [PDF]

open access: yes, 2014
For an AUV to perform a long-range mission with its maximum endurance, its energy consumption during transit must be kept to a minimum. This paper presents an improved cost function for a grid-based genetic algorithm (GA) path planning in 2D static ...
Philip A. Wilson   +10 more
core   +1 more source

Unmanned underwater vehicle for aquaponics system

open access: yes, 2023
Treball desenvolupat en el marc del programa "European Project Semester".
School, Jasper   +3 more
openaire   +1 more source

Design and Control of Unmanned Underwater Vehicle

open access: yesSukkur IBA Journal of Emerging Technologies, 2018
Unmanned Underwater Vehicles (UUV) are the robots that are used to monitor underwater environment at remote distance, either for inspection of underwater wreckage or for surveillance of underwater environment. Any such robot due to harshness of environment conditions needs a robust watertight design and requires various sensors for effective ...
Kamran Ahmed Shahani   +3 more
openaire   +3 more sources

Low-Cost Unmanned Underwater Vehicle Design

open access: yes, 2020
Unmanned underwater vehicles have become a tool needed in military, commercial and research review areas. underwater vehicles can take an active role in underwater search and rescue activities to remove objects from underwater and to make repairs with ...
Durdu, Akif   +6 more
core   +1 more source

Development Status and Trend of U.S. Equipment for Underwater Special Operations

open access: yes水下无人系统学报
In recent years, as the western countries led by the United States have shifted their strategic focus from ocean to offshore, offshore shallow waters have become the focus of attack and defense for countries.
Zhiwei ZHANG   +4 more
doaj   +1 more source

Novel platform for ocean survey and autonomous sampling using multi-agent system [PDF]

open access: yes, 2013
In-situ surveying and sampling of ocean environments provides critical data for laboratory work and oceanographic research. However, sampling a time-varying ocean field is often time and resource limited-meaning that samples often miss the features of ...
Varghese, Tony   +5 more
core   +1 more source

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