Blar i Institutt for marin teknikk på tidsskrift "Modeling, Identification and Control"
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A Unified Framework for Fault Detection and Diagnosis Using Particle Filter
(Journal article; Peer reviewed, 2014)In this paper, a particle filter (PF) based fault detection and diagnosis framework is proposed. A system with possible faults is modeled as a group of hidden Markov models representing the system in fault-free mode and ... -
Continuous-Curvature Path Generation using Fermat's Spiral
(Journal article; Peer reviewed, 2013)This paper proposes a novel methodology, based on Fermat's spiral (FS), for constructing curvature-continuous parametric paths in a plane. FS has a zero curvature at its origin, a property that allows it to be connected ... -
Experimental and Numerical Investigation of a Double-Acting Offshore Vessel Performance in Level Ice
(Journal article; Peer reviewed, 2014)In this paper a numerical model and experimental data are used to investigate the level ice performance of a double-acting intervention vessel. The icebreaking capability and maneuverability in level ice are analyzed by ... -
Image Techniques for Identifying Sea-Ice Parameters
(Journal article; Peer reviewed, 2014)The estimation of ice forces are critical to Dynamic Positioning (DP) operations in Arctic waters. Ice conditions are important for the analysis of ice-structure interaction in an ice field. To monitor sea-ice conditions, ... -
Modeling and Control for Dynamic Positioned Marine Vessels in Drifting Managed Sea Ice
(Journal article; Peer reviewed, 2014)This paper presents a development framework for dynamic positioning control systems for marine vessels in managed ice. Due to the complexity of the vessel-ice and ice-ice interactions a configurable high fidelity numerical ... -
An Open-Source Python-Based Boundary-Element Method Code for the Three-Dimensional, Zero-Froude, Infinite-Depth, Water-Wave Diffraction-Radiation Problem
(Journal article; Peer reviewed, 2021)In this paper, a new open-source implementation of the lower-order, 3-D Boundary Element Method (BEM) of solution to the deep-water, zero Froude-number wave-body interaction problem is described. A validation case for ... -
Path generation for high-performance motion of ROVs based on a reference model
(Journal article; Peer reviewed, 2015)This paper deals with the generation of sufficiently smooth position, velocity, and acceleration references for guiding the motion of an ROV along purposefully defined curvature-continuous paths in automated missions. The ... -
The Arctic DP Research Project: Effective Stationkeeping in Ice
(Journal article; Peer reviewed, 2014)Stress on the environment from a potentially growing energy use is set to rise. Without doubt the energy resources in Arctic regions will be developed. An important goal will be to exploit the resources offered by for ... -
Using Autonomous Underwater Vehicles as Sensor Platforms for Ice-Monitoring
(Journal article; Peer reviewed, 2014)Due to the receding sea-ice extent in the Arctic, and the potentially large undiscovered petroleum resources present north of the Arctic circle, offshore activities in ice-infested waters are increasing. Due to the presence ... -
Verification and Examination Management of Complex Systems
(Journal article; Peer reviewed, 2014)As ship systems become more complex, with an increasing number of safety-critical functions, many interconnected subsystems, tight integration to other systems, and a large amount of potential failure modes, several industry ...