Browsing Institutt for marin teknikk by Subject "Marin teknikk, Marin kybernetikk"
Now showing items 21-40 of 62
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Design av en ROV for forbrukermarkedet
(Master thesis, 2015)Flygende droner har de siste årene blitt introdusert til forbrukermarkedet med stor suksess. Dette innpasset gav en ide om en tilvarende løsning for bruk under vann, en lavkostnads ROV (Remotely Operated Vehicle). Dette ... -
Developing an Autonomous Tracking System for the Atlantic Salmon
(Master thesis, 2018)This thesis presents an autonomous fish tracking system for a tagged Atlantic Salmon using four unmanned surface vehicles equipped with acoustic receivers. The system can be used to monitor both hatchery farmed and wild ... -
Development of a Simulation Platform for ROV systems
(Master thesis, 2015)ROVs are frequently used in subsea operations, both in the oil and gas industry, by scientists and in aquacultures. The ROV missions are normally controlled by a human operator, and the results are highly depending on ... -
Development of an Obstacle Detection and Avoidance System for ROV
(Master thesis, 2018)Unmanned underwater vehicles, such as remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs) are commonly used for inspection, maintenance and repair (IMR) missions in the oil and gas industry. This ... -
Disturbance rejection of a High Speed Hydrofoil Craft using a Frequency Weighted H2-Optimal Controller
(Master thesis, 2018)The study presented in this report look into the design of a Ride Control System reducing wave-induced motions in heave, roll and pitch on a fully submerged hydrofoil craft sailing in 17 m/s. A frequency weighted, ... -
DP Solutions with Rudder Force Feedback for Exposed Aquaculture
(Master thesis, 2017)Aquaculture and especially exposed aquaculture is a business heading into a period of large growth and rapid change. Considerable amounts of resources are and will be put into research to insure safe and sustainable ... -
Estimation of Speed Loss due to Current, Wind and Waves - A Data-Driven Approach
(Master thesis, 2017)There is an increasing demand from customers, governments and maritime authorities when it comesto emission control and energy efficiency in the maritime industry. Demands in efficiency requires amore ... -
Fault Detection for Position Mooring Using Statistical Analysis
(Master thesis, 2018)The standard approach for detecting mooring line failures for position moored vessels is by measuring the tension in the mooring lines, either directly or indirectly. The sensors measuring the line tensions are often hard ... -
Fault-tolerant Observer Design
(Master thesis, 2017)This master thesis dealt with the development of a fault-tolerant model-based observer for a low-cost ROV developed by BluEye Robotitcs, P2-Alpha. The observer was developed for 4 degrees of freedom (DOFs) using the installed ... -
Feasibility Study on Active Wave Compensation of ROV - Modelling, Analysis and Simulation
(Master thesis, 2014)The aquaculture industry is using remotely operated vehicles (ROVs) for maintenance tasks on fish farms. These tasks include, among others, washing of the netpen and visual inspections. These are tedious tasks, and it would ... -
Finite Element Modeling and Structural State Estimation of a Bottom Fixed Offshore Wind Turbine
(Master thesis, 2015)As a path to combine the world s growing energy demand with renewable green energy, in- creased use of offshore wind turbines has been seen as a viable solution. Unfortunately, the remote location and rough environment for ... -
Force Field Identification and Positioning Control of an Autonomous Vessel using Inertial Measurement Units
(Master thesis, 2017)In this thesis, a system of four sensors for measuring tri-axis translational accelerations and rotational velocities is designed. The sensors were mounted with a spatial distribution on board the ship model C/S Arctic ... -
Force-Based Real-Time Hybrid Testing: Force Actuation System
(Master thesis, 2017)Real-time hybrid model testing is the name given to the real-time coupling of experimental and numerical testing methods. It is based on dividing complex structures into two system parts; one that is simulated numerically, ... -
Hybrid fuel-cell auxiliary system for an aquaculture vessel
(Master thesis, 2018)Emission reduction in shipping and marine operations is important for the future of this planet and its oceans. This thesis looks into the operation of a hybrid fuel-cell power production system on an aquaculture vessel. ... -
Improved user-experience for control of ROVs
(Master thesis, 2016)To make small size underwater Remotely Operated Vehicles(ROVs) more accessible for normal users efficient Human-Machine Interface(HMI) solutions are needed. In this theses two solutions are presented. One uses a Windows ... -
Localisation of Submarine Power Cables by Magnetometers on REMUS 100 AUV
(Master thesis, 2017)Power cables that are exposed to the marine environment are prone to damage, especially if they are located close to, or above, the seabed. Underwater surveys are carried out to ensure that cables are buried and inspect ... -
Low-Cost Observer and Path-Following Adaptive Autopilot for Ships
(Master thesis, 2017)In this thesis a signal-based observer and a path-following autopilot design will be derived and implemented on the model vessel C/S Enterprise I. Using scaling methods the goal is to transfer the controllers into a full ... -
Marine Autonomous Exploration using a Lidar
(Master thesis, 2016)This thesis reviews the complete design of a control system on a marine surface vessel, capable of autonomous exploration in small-scale marine environments. This involves the development of strategies for map exploration, ... -
Marine Crane Dynamics Lab - Modelling and experimental validation
(Master thesis, 2017)In this thesis, simulation models for a knuckleboom crane and its winch system have been developed. The simulation models have been used to design model based control laws for positioning the orientation of the crane joints ... -
Marine Inverted Pendulum
(Master thesis, 2016)The purpose of this thesis is to investigate whether an inverted pendulum can be balanced on a hydrodynamic platform actuated by thrusters. The vessel is the omnidirectional CS Saucer actuated by three rotating azimuth ...