Browsing NTNU Open by Author "Rokseth, Børge"
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A Bond Graph Approach for Modelling Systems of Rigid Bodies in Spatial Motion
Rokseth, Børge (Master thesis, 2014)The research presented in this thesis seeks to improve the current state and technique for dynamic modelling of systems of rigid bodies in spatial motion. The research have been focused around modelling of underwater ... -
A systems approach to risk analysis of maritime operations
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2017)Technological innovations and new areas of application introduce new challenges related to safety and control of risk in the maritime industry. Dynamically positioned systems are increasingly used, contributing to a higher ... -
A systems approach to risk analysis of maritime operations
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2017)Technological innovations and new areas of application introduce new challenges related to safety and control of risk in the maritime industry. Dynamically positioned systems are increasingly used, contributing to a higher ... -
Adaptive Stress Testing of Situational Awareness for an Autonomous Passenger Ferry
Johan Bakken Sørensen (Master thesis, 2022)Maritime Autonomous Surface Ships (MASS) introduserer et nytt nivå av kompleksitet til marine kontrollsystemer. Zeabuz er et oppstartsselskap fra NTNU som jobber med MASS og som har som mål å utvikle autonome urbane ... -
Analysis of Dynamic Positioning System Accidents and Incidents with Emphasis on Root Causes and Barrier Failures
Dong, Yining; Rokseth, Børge; Vinnem, Jan Erik; Utne, Ingrid Bouwer (Chapter, 2017)The accidental statistics from 2003 to 2013 revealed that the frequency of floating production storage and offloadingshuttle tanker (FPSO-ST) collision risk was significantly above the cut-off limit. There is a need for ... -
Applications of machine learning methods for engineering risk assessment–A review
Hegde, Jeevith; Rokseth, Børge (Journal article; Peer reviewed, 2020)The purpose of this article is to present a structured review of publications utilizing machine learning methods to aid in engineering risk assessment. A keyword search is performed to retrieve relevant articles from the ... -
Autonomous Machinery Management for Supervisory Risk Control Using Particle Swarm Optimization
Blindheim, Simon André Johnsen; Rokseth, Børge; Johansen, Tor Arne (Peer reviewed; Journal article, 2023)Safe navigation for maritime autonomous surface ships (MASS) is a challenging task, and generally highly dependent on effective collaboration between multiple sub-systems in environments with various levels of uncertainty. ... -
Autonomous ship testing environment (ASTE): A simulation-based framework for testing of autonomous ships
Stokke, Ane Joramo (Master thesis, 2023)Med økningen i bruk av autonome skip ser vi også økt interesse innenfor fagområdet. Hvor organisasjoner som International Maritime Organisation (IMO) utfører en undersøkelse for å analysere relevante traktat for skip og ... -
Comparison of Hazardous Scenarios for Different Ship Autonomy Types using Systems-Theoretic Process Analysis
Kim, Hyungju; Haugen, Odd Ivar; Rokseth, Børge; Lundteigen, Mary Ann (Chapter, 2019)The area of autonomous and remotely operated ships is developing fast but is still an immature field where new ideas and novel technology solutions are being introduced. As part of these efforts, the Norwegian Forum for ... -
Current Estimation for Small Autonomous Passenger Ferry
Berthelsen, Maiken (Master thesis, 2020)Autonomien i maritime næringer blir stadig bedre, noe som gjør at flere innovative prosjekter settes i gang. Nå som selvkjørende busser har blitt en realitet på veien, har det også blitt åpnet opp for idéen om selvkjørende ... -
Deriving Verification Objectives and Scenarios for Maritime Systems Using the Systems-Theoretic Process Analysis
Rokseth, Børge; Utne, Ingrid Bouwer; Vinnem, Jan Erik (Journal article; Peer reviewed, 2018)The process applied for verification of maritime systems lacks the ability to properly examine complex networks of interconnections. Verification is mainly focused on single failures of components, not properly accounting ... -
Dynamic risk assessment of marine systems
Rokseth, Børge; Utne, Ingrid Bouwer (Chapter, 2015)Challenges related to risk assessment of dynamic systems have become more numerous in the past decades due to rapid advances in technology. With these advances follows an increased use of automatic control systems which ... -
Emergency Decision Support System for Marine Surface Vessels: Risk, Battery, and Time Optimized Path Proposals
Klose, Alexander (Master thesis, 2024)Autonome maritime fartøy har potensialet til å revolusjonere sikkerheten, kostnadseffektiviteten, effektiviteten og miljøpåvirkningen av sjøtransport. Feltet gjennomgår raske fremskritt, men autonome maritime fartøy er ... -
Guidance and Decision Making using MachineLearning for Small Autonomous Ships
Tjøm, Karianne Skudal (Master thesis, 2020)Risikobasert beslutningstaking er viktig for at autonome skip skal unngå kollisjoner. For skip med høy grad av autonomi blir disse beslutningene tatt av systemet, og denne masteroppgaven undersøker bruken av maskinlæring ... -
Human Reliability and the Impact of Control Function Allocation in the Design of Dynamic Positioning Systems
Hogenboom, Sandra; Rokseth, Børge; Vinnem, Jan Erik; Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2019)The design and function allocation of control in complex technological systems have mainly been technology-driven, resulting in increased automation. A human or user perspective is rarely taken in the technological ... -
Modeling of Generic Offshore Vessel in Crane Operations With Focus on Strong Rigid Body Connections
Rokseth, Børge; Skjong, Stian; Pedersen, Eilif (Journal article; Peer reviewed, 2016)Both marine surface vehicles and underwater vehicles are often equipped with cranes, robotic manipulators, or similar equipment. Much attention is given to modeling of both the dynamics of marine vehicles and the dynamics ... -
Online Consequence Analysis of Situational Awareness for Autonomous Vehicles
Fossdal, Markus (Master thesis, 2018)The maritime industry is undergoing substantial changes with regards to autonomy, and lately important steps has been done in realizing highly autonomous vessels for industry use. This master s thesis presents a framework ... -
Probabilistic Framework for Hazard Detection in Autonomous Underwater Vehicles
Nilsen-Aas, Anders (Master thesis, 2024)Denne rapporten har som mål å etablere metoder for å identifisere og kvantifisere farlige hendelser som finnes i under-vannmiljøet i arktiske strøk for autonome undervannsfarkoster (AUVs). AUV-er viser seg å være et nyttig ... -
Real-Time Marine Vessel and Power Plant Simulation
Bø, Torstein Ingebrigtsen; Johansen, Tor Arne; Dahl, Andreas Reason; Rejani Miyazaki, Michel; Pedersen, Eilif; Rokseth, Børge; Skjetne, Roger; Sørensen, Asgeir Johan; Thorat, Laxminarayan; Utne, Ingrid Bouwer; Yum, Koosup; Mathiesen, Eirik (Chapter; Peer reviewed, 2015)In this paper, we present a system simulator of a marine vessel and power plant which contains the mechanical system with diesel engines, propellers, steering gear, and thrusters; the electrical system with generators, ... -
Risk-informed control systems for improved operational performance and decision-making
Thieme, Christoph Alexander; Rokseth, Børge; Utne, Ingrid Bouwer (Peer reviewed; Journal article, 2021)Autonomous systems, including airborne, land-based, marine, and underwater vehicles, are increasingly present in the world. One important aspect of autonomy is the capability to process information and to make independent ...