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Localization of an Acoustic Fish-Tag using the Time-of-Arrival Measurements: Preliminary results using eXogenous Kalman Filter
(Journal article; Peer reviewed, 2018)This paper addresses the source localization problem of an acoustic fish-tag using the Time-of-Arrival measurement of an acoustic signal, transmitted by the fish-tag. The Time-of-Arrival measurements denote the pseudo-range ... -
Localization of Ferries using Monocular Camera, IMU, and GNSS during Automated Docking
(Master thesis, 2021) -
Locomotion Efficiency of Underwater Snake Robots with Thrusters
(Chapter, 2016)Lately there has been an increasing interest for subsea inspection and intervention tasks, and in particular on solutions which combine smaller size, increased flexibility and maneuverability, and decreased cost. Biologically ... -
Locomotion efficiency optimization of biologically inspired snake robots
(Journal article; Peer reviewed, 2018)Snake robots constitute bio-inspired solutions that have been studied due to their ability to move in challenging environments where other types of robots, such as wheeled or legged robots, usually fail. In this paper, we ... -
Long range path planning using an aircraft performance model for battery powered sUAS equipped with icing protection system
(Journal article, 2020)Earlier studies demonstrate that en-route atmospheric parameters, such as winds and icing conditions, significantly affect the safety, and in-flight performance of unmanned aerial systems. Nowadays, the inclusion of ... -
A long short term memory for hybrid uplifted reduced order models.
(Peer reviewed; Journal article, 2020)In this paper, we introduce an uplifted reduced order modeling (UROM) approach through the integration of standard projection based methods with long short-term memory (LSTM) embedding. Our approach has three modeling ... -
Long short-term memory embedded nudging schemes for nonlinear data assimilation of geophysical flows
(Peer reviewed; Journal article, 2020)Reduced rank nonlinear filters are increasingly utilized in data assimilation of geophysical flows but often require a set of ensemble forward simulations to estimate forecast covariance. On the other hand, predictor–corrector ... -
A long simulation scenario for evaluation of multi-target tracking methods
(Chapter, 2023)Algorithms for multi-target tracking are typically evaluated by means of simulations. Typically, the simulated scenarios are fairly short and of very simple geometry. In contrast, this paper describes a scenario which was ... -
Long-Horizon Informative Path Planning with Obstacles and Time Constraints
(Peer reviewed; Journal article, 2022)We apply non-myopic informative path planning in a simulated river plume case study with several constraints on our agent. A cost valley philosophy is proposed to guide the agent through the field. The purpose of this path ... -
Long-term Vessel Prediction Using AIS Data
(Master thesis, 2018)In recent years there has been much research dedicated to the development of autonomous surface vehicles (ASVs), including large-scale autonomous ships. An important part of this research is to ensure that an ASV can safely ... -
Longitudinal Moving Mass Actuation of Fixed-Wing Unmanned Aerial Vehicle (UAV)
(Master thesis, 2021)Bevegelig masseforflytting er en kontrollmekanisme som erstatter aerodynamiske kontrollflater, som høyde-, balanse- og sideror for et fly ved å bruke interne mobile masser til å endre tyngdepunktet. Metoden muliggjør et ... -
Loopy belief propagation for marginal association probabilities in multiple hypothesis tracking
(Master thesis, 2023)Nyere resultater innenfor målfølging av flere mål med kun én hypotese bruker ``loopy belief propagation'' (LBP) for å utføre effektiv, tilnærmet marginalisering av hypoteseposterioren med stor suksess. Denne avhandlingen ... -
LOS Path Following for Underactuated Underwater Vehicle
(Journal article, 2006)In this paper, we propose a control scheme for path following of underactuated underwater vehicles. In particular, we propose a guidance law based on the the well-known principle of Line of Sight (LOS) guidance that is ... -
Low Altitude Georeferencing for Imaging Sensors in Maritime Tracking
(Peer reviewed; Journal article, 2020)This paper presents a method for georeferencing low-altitude camera sensors, both infrared and electro-optical, in a maritime context. Accurate georeferencing require very high precision for the object pixel coordinates ... -
Low complexity constrained control using higher degree Lyapunov functions
(Journal article; Peer reviewed, 2018)Explicit Model Predictive Control often has a complex solution in terms of the number of regions required to define the solution and the corresponding memory requirement to represent the solution in the online implementation. ... -
Low Cost Collaborative Jammer Localization Using a Network of UAVs
(Peer reviewed; Journal article, 2021)Radio Frequency Interference (RFI), either intentional or unintentional in nature, can have significant impact on the performance of systems utilizing GNSS receivers. It can therefore be beneficial for a commercial autonomous ... -
Low Cost Remote Controllable Camera System
(Master thesis, 2014)Robots replacing human labour is not a new phenomena. Robots are more labour and cost ecient than their human counterparts. The idea for this thesis originates from the company Norsk Automatisering AS. Their project is a ... -
Low Energy Buoyancy Actuator for Vertical Underwater Motion
(Master thesis, 2017)This thesis presents the physical and technical premise for implementing and designing an underwater vehicle capable of moving vertically using the unit s own buoyancy force, and how this principle benefit in energy ... -
Low Inductance Effects on Electric Drives using Slotless Permanent Magnet Motors: A Framework for Performance Analysis
(Chapter, 2019)The use of slotless Permanent Magnet machines is becoming the first choice among many other conventional solutions when improved features, such as smooth control and very high speed, are needed. However, it is not often ... -
Low-complexity Risk-averse MPC for EMS
(Chapter, 2021)A data-driven stochastic MPC strategy is presented as an EMS for the Skagerak Energilab microgrid. Uncertainties, introduced due to the intermittent nature of RES and load demands, are systematically incorporated into the ...