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Dynamic positioning during launch and recovery for an unmanned autonomous ROV supply vessel
(Master thesis, 2021) -
Dynamic positioning for Autonomous Surface Vehicles
(Master thesis, 2017)This master seeks to prove that it is possible to control a small autonomous surface vehicle with a dynamic positioning controller, using simple controls and thrust algorithm. This should be done without using observers ... -
Dynamic Positioning for ROV Operating in Fish Farms
(Master thesis, 2015)The usages of Remotely Operated Unmanned Underwater Vehicles (ROVs') for inspection of marine structures is today an essential part of the offshore industry. However, in the case of inspection of fish farms, the ROV has ... -
Dynamic Positioning for Small Autonomouse Surface Vessels
(Master thesis, 2016)The thesis seeks to prove that it is possible to implement dynamic positioning on small autonomous surface vessels by means of simple control and thrust allocation algorithms. Doing so without the need for observers and ... -
Dynamic Positioning for Unmanned Surface Vehicles
(Master thesis, 2008)This thesis develops a Dynamic Positioning (DP) system for small marine craft by using the LQR controller approach. Development has been done with a 'Viknes 830' vessel in mind, which is operated by the company 'Maritime ... -
Dynamic Positioning of a Remotely Operated Vehicle During Launch and Recovery
(Master thesis, 2022)Abstract will be available on 2025-06-06 -
Dynamic positioning operations performed in ice
(Master thesis, 2011)A two-dimensional broken ice model is implemented, including a collision detection and resolving system for ice interactions, using conservation of momentum. A simulation of the model has been done to evaluate the dynamics ... -
Dynamic Positioning System as Dynamic Energy Storage on Diesel-Electric Ships
(Journal article; Peer reviewed, 2014)A dynamic positioning (DP) system on a diesel-electric ship applies electric power to keep the positioning and heading of the ship subject to dynamic disturbances due to the winds, waves and other external forces using ... -
Dynamic Positioning Using Model Predictive Control with Short-Term Wave Motion Prediction
(Master thesis, 2020) -
Dynamic Positioning Using Model Predictive Control With Short-Term Wave Prediction
(Peer reviewed; Journal article, 2023)Remotely operated vehicle (ROV) operations are today typically supported by large designated vessels. New emerging concepts aim to streamline ROV operations by utilizing unmanned surface vessels of a smaller size. Reduction ... -
Dynamic positioning with model predictive control
(Journal article; Peer reviewed, 2016)Marine vessels with dynamic positioning (DP) capability are typically equipped with sufficient number of thrusters to make them overactuated and with satellite navigation and other sensors to determine their position, ... -
Dynamic Real-Time Optimisation of a CO2 Capture Facility
(Journal article; Peer reviewed, 2019)This work investigates economic optimisation of an energy-intensive amine regeneration process in a post-combustion CO2 capture plant, subject to a minimum CO2 capture ratio over 24 hours. A Dynamic Real-Time Optimisation ... -
Dynamic Real-Time Optimisation of an Amine-Based Post-Combustion CO2 Capture Facility using Single-Level Nonlinear Model Predictive Control
(Master thesis, 2018)A complete model of a CO2 capture facility has been optimised with the aid of Dynamic Real-Time Optimisation (DRTO) utilising single-level, Nonlinear Model Predictive Control to merge regulatory and economic objectives. ... -
Dynamic Risk Analysis from the Perspective of Life Cycle Approach in Iec 61508 and Iec 61511
(Peer reviewed; Journal article, 2021)Dynamic risk analysis (DRA) aims to provide updated risk levels during operations of a hazardous facility. One of the main objectives of performing a DRA is to support day-to-day operational decisions, primarily for ... -
Dynamic Safety Constraints by Scenario Based Economic Model Predictive Control
(Chapter, 2014)This paper studies use of scenario based model predictive control (MPC) to control a plant into a fault-tolerant state set. For some systems it is not always sufficient that the controller is reconfigured after a fault, ... -
Dynamic Safety Constraints by Scenario Based Economic Model Predictive Control of Marine Electric Power Plants
(Journal article; Peer reviewed, 2016)This paper studies scenario-based model predictive control (MPC) for dynamic safety constraints. For marine electric power plant with direct current distribution and variable speed generator set, the speed of the generator ... -
Dynamic State Estimation for Electrical Power Grids
(Doctoral theses at NTNU;2021:273, Doctoral thesis, 2021)Increased electrification of society, as well as increased incidence of distributed power generation, causes more dynamic operation of modern electrical power grids. Methods for monitoring of power grids have traditionally ... -
Dynamic stochasticmodeling for adaptive sampling of environmental variables using an AUV
(Peer reviewed; Journal article, 2023)Discharge of mine tailings significantly impacts the ecological status of the sea. Methods to efficiently monitor the extent of dispersion is essential to protect sensitive areas. By combining underwater robotic sampling ... -
Dynamic Synchronization of Spacecraft
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:115, Doctoral thesis, 2008)