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REMUS autonomous underwater vehicle

Robust-save energy controller on an autonomous underwater vehicle with obstacles avoidance

Robust-save energy controller on an autonomous underwater vehicle with obstacles avoidance

... Then, Elmokadem et al. proposed Sliding Mode Control (SMC) for a REMUS AUV under a constant and a sinusoidal perturbation 6 . The trajectory was determined in a straight and circular line and it is shown that the ...

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Chemical analysis of sediments using X Ray
fluorescence on board an Autonomous
Underwater Vehicle

Chemical analysis of sediments using X Ray fluorescence on board an Autonomous Underwater Vehicle

... the REMUS AUVs play an integral part in numerous scientific and military ...This vehicle has a flat surface that could provide stability when ...Another vehicle suited to this application is the ...

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Development of a Vertical Self-balancing Experimental Autonomous Underwater Vehicle

Development of a Vertical Self-balancing Experimental Autonomous Underwater Vehicle

... conduct underwater scientific e xperiments and oceanographic surveys in shallow water ...[5]. REMUS is equipped with physical, biologica l and optical ...

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Depth Control of Autonomous Underwater Vehicle Using Discrete Time Sliding Mode Controller

Depth Control of Autonomous Underwater Vehicle Using Discrete Time Sliding Mode Controller

... by Shaowei Zhang [18] proposed discrete-time quasi sliding mode controller for the multiple-input multiple-output on AUV REMUS. Lastly, Baoju [19] implemented adaptive sliding mode control in discrete time system ...

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Studies on autonomous underwater vehicle systems

Studies on autonomous underwater vehicle systems

... are idle runtime and cruise speed runtime, which maximises the range, but is not necessarily full speed. Actively propelled AUVs can achieve cruise runtimes of 10 hours or more. Idle runtime depends on the computing ...

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Tracking Control System For Autonomous Underwater Vehicle Using Mrac Technique

Tracking Control System For Autonomous Underwater Vehicle Using Mrac Technique

... the vehicle is commanded to track a given Matlab trajectory with the manipulator (at rest or home position), initial 20s its accelerates and move the vehicle forward in the speed of 1m/s and for the final ...

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Velocity Field Control Assistance for
Autonomous Underwater Vehicle Path Control

Velocity Field Control Assistance for Autonomous Underwater Vehicle Path Control

... To control the VFC-assisted LQR, the weight matrix of estimators and the LQR, i.e., , , , and , must be calibrated until the vehicle converges to the desired paths. All of the weighting matrices from the ...

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Improving the localisation accuracy of AUVs operating in highly variable environmental conditions

Improving the localisation accuracy of AUVs operating in highly variable environmental conditions

... the Autonomous Maritime Systems Laboratory at AMC, not only for their immense support for AUV deployments, but also for the moments we shared; talking about engineering, science and ...to autonomous surface ...

169

Resource investigation for Kichiji rockfish by autonomous underwater vehicle in Kitami-Yamato bank off Northern Japan

Resource investigation for Kichiji rockfish by autonomous underwater vehicle in Kitami-Yamato bank off Northern Japan

... The vehicle consist of two floaters mad of syntactic foam, central hull for control circuits and electrical devices and bottom two hulls for lithium-ion ...the vehicle are static stability because of a long ...

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Virtual planar motion mechanism tests of the autonomous underwater vehicle autosub

Virtual planar motion mechanism tests of the autonomous underwater vehicle autosub

... Predominantly steady state manoeuvres such as the turning circle test are dependent on good predictions of the velocity based derivatives, Y ' v , N ' v . Zigzag and other unsteady manoeuvres require knowledge of the ...

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Study of underwater thruster (UT) front cover of msi300 
		Autonomous 
		Underwater Vehicle (AUV) using finite element analysis (FEA)

Study of underwater thruster (UT) front cover of msi300 Autonomous Underwater Vehicle (AUV) using finite element analysis (FEA)

... Aluminium 6061-T6 is ductile and it can endure the pressure. Aluminium 6061-T6 starts yielding at 250 MPa. Below this value, it can endure the stress and it will return to its original shape. FEA proved that the maximum ...

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Performance analysis and simulation of an autonomous underwater vehicle equipped with the collective and cyclic pitch propeller

Performance analysis and simulation of an autonomous underwater vehicle equipped with the collective and cyclic pitch propeller

... of underwater vehicle ...the vehicle and an internal pneumatic stainless cylin- der, which allows the vehicle to dive by taking in and ejecting water (Gomáriz et ...the vehicle hull and ...

212

Optimal Control Of Autonomous Underwater Vehicle (AUV) Using Genetic Algorithms

Optimal Control Of Autonomous Underwater Vehicle (AUV) Using Genetic Algorithms

... The Autonomous Underwater Vehicle (AUV) in this project is low cost, small and light; it is more unstable compare to other huge sized ...wave underwater and the force of wave will make it out ...

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Variable responses of benthic communities to anomalously warm sea temperatures on a high-latitude coral reef

Variable responses of benthic communities to anomalously warm sea temperatures on a high-latitude coral reef

... an autonomous underwater vehicle (AUV) to quantify changes in benthic community composition over a four-year period (2010–2013) straddling a large-magnitude thermal anomaly in 2011 and smaller ...

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Quantitative mapping and predictive modeling of Mn nodules' distribution from hydroacoustic and optical AUV data linked by random forests machine learning

Quantitative mapping and predictive modeling of Mn nodules' distribution from hydroacoustic and optical AUV data linked by random forests machine learning

... an autonomous underwater vehicle (AUV) and connecting those data with a machine learning (ML) algorithm (here ran- dom forests), in order to predict the spatial distribution of the number of Mn ...

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Autonomous Underwater Vehicle Hull Geometry Optimization Using a Multi-objective Algorithm Approach

Autonomous Underwater Vehicle Hull Geometry Optimization Using a Multi-objective Algorithm Approach

... these autonomous underwater ...an autonomous underwater ...an underwater vehicle can influence its total body drag and the probability of cavitation occurrence in front of the ...

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Real Time Underwater Obstacle Avoidance and Path Re planning Using Simulated Multi beam Forward Looking Sonar Images for Autonomous Surface Vehicle

Real Time Underwater Obstacle Avoidance and Path Re planning Using Simulated Multi beam Forward Looking Sonar Images for Autonomous Surface Vehicle

... the vehicle will increase the risk of obstacle collision, especially at ...the vehicle; such as ...the vehicle with the average constant speed ...the vehicle are specified as ...the ...

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Review on Under Water Sensor Networks

Review on Under Water Sensor Networks

... Abstract: Underwater sensor networks (UWSNs) are becoming popular everyday due to their ability which makes them to be deployed under adverse environmental ...communication underwater environment posses ...

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Insurance for autonomous underwater vehicles

Insurance for autonomous underwater vehicles

... With the advent of corporate consolidations, small companies see themselves at a disadvantage when buying insurance. They simply cannot afford the insurance clubs that require significant deductibles and the high degree ...

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The use of computational fluid dynamics to determine the dynamic stability of an autonomous underwater vehicle

The use of computational fluid dynamics to determine the dynamic stability of an autonomous underwater vehicle

... of Autonomous Underwater Vehicles (AUVs) have evolved to solve different subsea mission requirements, these can be loosely grouped into two types: torpedo style AUVs and hovering ...

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