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WakeIPDA: Target Tracking With Existence Modeling in the Presence of Wakes
(Chapter, 2023)We present a novel target tracking algorithm, which is designed to track a target in the presence of wake clutter. What distinguishes the method from previous wake-compensating trackers is that it also models the existence ... -
Warm-Started Optimized Trajectory Planning for ASVs
(Journal article; Peer reviewed, 2019)We consider warm-started optimized trajectory planning for autonomous surface vehicles (ASVs) by combining the advantages of two types of planners: an A* implementation that quickly finds the shortest piecewise linear path, ... -
Waste incineration: Optimal control of process dominated by delay and uncertainty
(Master thesis, 2020)Forbrenning av restavfall2 er en ganske kompleks prosess, som er preget av å ha både lange og korte tidskonstanter, flere refferanser som skal følges samtidig, i tillegg til ikke-minimum fase-responser og store forstyrrelser ... -
Waste Plant Safety Integrity Level
(Master thesis, 2008)This report is a safety analysis of the Isle of Wight waste plant in England. Energos AS prepared a Hazard and Safety analysis in connection with this project. In the analysis Energos AS has defined Safety Integrity Level ... -
Wave motion compensation in dynamic positioning of small autonomous vessels
(Peer reviewed; Journal article, 2020)Conventional dynamic positioning (DP) systems on larger ships compensate primarily for slowly time-varying environmental forces. In doing so, they use wave filtering to prevent the DP from compensating for the first-order ... -
Waveform Analysis of Nonlinear Electric Loads Through Investigation of High and Low Sampling Frequency Data - Exploring the Possibility of Signature Analysis by Comparing Data Provided by an Advanced Measuring System and High Frequency Data Provided by an Oscilloscope
(Master thesis, 2018)This thesis investigates the data provided by the Home Area Network, HAN, port installed in all new Advanced Metering System, AMS, power meters. The data is provided over an M-bus protocol, with a low bandwidth of maximum ... -
Waypoint guidance control for underwater snake robots exposed to ocean currents
(Chapter, 2016)This paper presents a waypoint guidance strategy for underwater snake robots, which is an extension of the straight line path following controllers previously proposed by the authors. The proposed waypoint guidance control ... -
Waypoint guidance control of snake robots
(Journal article; Peer reviewed, 2011)This paper considers path following control of snake robots and has two contributions. The first contribution is a description of how a straight line path following controller previously proposed by the authors can be ... -
Waypoint-Following Guidance Based on Feasibility Algorithms
(Master thesis, 2011)Unmanned vehicles have become more applicable due to extended research and more advanced technology through the last decades. The vehicles are versatile, hence studying ocean floor and reconnaissance and surveillance are ... -
Weather optimal dynamic positioning of underactuated AUVs using output feedback control
(Journal article, 2006)In this paper we present an output feedback control system for dynamic positioning of underactuated AUVs. The control objective is to maintain a desired distance to the target while orienting the vehicle towards the target ... -
Weather-Optimal Positioning Control for Underactuated USVs
(Master thesis, 2010)This thesis considers the design and development of a weather optimal positioning control system which is implemented on a developed 6 degrees of freedom vessel model of a Viknes 830 augmented with actuator and environmental ... -
Weather-Optimal Positioning Control for Underactuated USVs
(Master thesis, 2010)This thesis considers the design and development of a weather optimal positioning control system which is implemented on a developed 6 degrees of freedom vessel model of a Viknes 830 augmented with actuator and environmental ... -
Well Models for Production Optimization
(Master thesis, 2008)In coupled reservoir simulations a model of a reservoir and the production system are joined together to obtain realistic responses. One way of performing production optimization is to make use of a gas oil ratio (GOR) ... -
Well placement optimization subject to realistic fielddevelopment constraints
(Journal article; Peer reviewed, 2016) -
Wheel Slip Control in ABS Brakes using Gain Scheduled Optimal Control with Constraints
(Dr. ingeniøravhandling, 0809-103X; 2003:43, Doctoral thesis, 2003)In a conventional antilock brake system (ABS), the wheel slip will oscillate around a "critical slip" within some given thresholds. This oscillation will have as side effects a noticeable vibration for the driver and ... -
When is gray-box modeling advantageous for virtual flow metering?
(Peer reviewed; Journal article, 2022)Integration of physics and machine learning in virtual flow metering applications is known as gray-box modeling. The combination is believed to enhance multiphase flow rate predictions. However, the superiority of gray-box ... -
Whole-Body Motion Planning and Collision Avoidance for AIAUV
(Master thesis, 2022)Leddede, autonome undervannsroboter (AIAUVer) baner vei for økt optimalisering av varierte marine operasjoner og er spesielt egnet for operasjoner i områder med begrenset fremkommelighet. For å løse ulike operasjoner på ... -
Why intraperitoneal glucose sensing is sometimes surprisingly rapid and sometimes slow: A hypothesis
(Journal article; Peer reviewed, 2019)The artificial pancreas requires fast and reliable glucose measurements. The peritoneal space has shown promising results, and in one of our studies we detected glucose changes in the peritoneal space already at the same ... -
Wi-Fi based Telecommunication Infrastructure Delivered as a Service by UAV for Emergency Response
(Chapter, 2022)In this paper we discuss Wi-Fi and complementary technologies that can be used to mitigate telecommunication gaps in search and rescue (SAR) activities and during natural disaster (ND) response scenarios. We present and ... -
Wienerization Based Control of Nonlinear Systems
(Chapter, 2022)We present a novel model approximation scheme, named “wienerization”, of nonlinear time invariant systems that uses the systems' nonlinear equilibria maps as the static nonlinearities of Wiener models. We show conditions ...