Browsing Institutt for teknisk kybernetikk by Document Types "Journal article"
Now showing items 81-100 of 1197
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Adaptive Feedforward Control of Exhaust Recirculation in Large Diesel Engines
(Journal article; Peer reviewed, 2017)Environmental concern has led the International Maritime Organization to restrict NO$_x$ emissions from marine diesel engines. Exhaust gas recirculation (EGR) systems have been introduced in order to comply to the new ... -
Adaptive Kalman filter for on-line spectroscopic sensor corrections
(Peer reviewed; Journal article, 2023)Spectroscopic sensors provide online information about the composition and concentration of species in a sample by analyzing the interaction of light and matter. At the industrial scale, external variables such as temperature, ... -
An Adaptive Line-of-sight (ALOS) Guidance Law for Path Following of Aircraft and Marine Craft
(Journal article; Peer reviewed, 2023) -
Adaptive Linear Grey-Box Models for Model Predictive Controller of Residential Buildings
(Peer reviewed; Journal article, 2022)Model predictive control (MPC) is an advanced optimal control technique to minimize a control objective while satisfying a set of constraints and is well suited to activate the building energy flexibility. The MPC controller ... -
Adaptive motion planning and path following for permanent resident biofouling prevention robot operating in fish farms
(Journal article, 2022)This paper presents a study where the potential of achieving autonomous net cleaning operations in commercial net pens is demonstrated through numerical simulations. Specifically, we investigated solutions for coping with ... -
An Adaptive Non-Linearity Detection Algorithm for Process Control Loops
(Journal article; Peer reviewed, 2016) -
Adaptive Observer for Nonlinearly Parameterised Hammerstein System with Sensor Delay - Applied to Ship Emissions Reduction
(Journal article; Peer reviewed, 2017)Taking offspring in a problem of ship emission reduction by exhaust gas recirculation control for large diesel engines, an underlying generic estimation challenge is formulated as a problem of joint state and parameter ... -
Adaptive Observer for Nonlinearly Parameterised Hammerstein System with Sensor Delay - Applied to Ship Emissions Reduction
(Journal article; Peer reviewed, 2017)Taking offspring in a problem of ship emission reduction by exhaust gas recirculation control for large diesel engines, an underlying generic estimation challenge is formulated as a problem of joint state and parameter ... -
Adaptive Output-Feedback Stabilization of 2 x 2 Linear Hyperbolic PDEs with Actuator and Sensor Delay
(Journal article; Peer reviewed, 2018)We derive an adaptive output-feedback stabilizing controller for a system of 2 × 2 linear hyperbolic partial differential equations (PDEs) with delayed, anti-collocated sensing and control. This is done by using a series ... -
Adaptive sampling for UAV sensor network in oil spill management
(Peer reviewed; Journal article, 2021)In this paper we propose a method for adaptive sampling using Unmanned Aerial Vehicles (UAVs) in oil spill management. The goal is to measure and estimate oil spill concentrations at the sea surface, while at the same time ... -
Adaptive Sampling of Ocean Processes Using an AUV with a Gaussian Proxy Model
(Journal article; Peer reviewed, 2018)This paper presents methods for building and exploiting compact spatial models on board an autonomous underwater vehicle (AUV) towards tracking suspended material plumes. The research is aiming to improve real-time monitoring ... -
Adaptive set-point regulation of linear 2x2 hyperbolic systems with application to the kick and loss problem in drilling
(Peer reviewed; Journal article, 2020)We study the kick and loss detection and attenuation problem in managed pressure drilling by modeling the well as a distributed parameter system. Two cases are considered, distinguished by whether down-hole pressure ... -
Adaptive set-point regulation of linear n+1 hyperbolic systems with uncertain affine boundary condition using collocated sensing and control
(Peer reviewed; Journal article, 2020)We solve an adaptive control problem for n + 1 hyperbolic systems using collocated sensing and control, extending recent results for adaptive control of 2×2 systems and systems with non-collocated sensing and control. The ... -
Adaptive Speed Control of ROVs with Experimental Results from an Aquaculture Net Pen Inspection Operation
(Peer reviewed; Journal article, 2023)Remotely operated vehicles (ROVs) are often used for inspection in aquaculture net pens which serves the important purpose of localizing holes in the net and reporting potential irregularities and damages. Manual control ... -
Adaptive vibration attenuation with globally convergent parameter estimation
(Journal article; Peer reviewed, 2019)Parameter estimation problems can be nonlinear, even if the dynamics are expressed by a linear model. The extended Kalman filter (EKF), even though it is one of the most popular nonlinear estimation techniques, may not ... -
Additive Manufacturing Path Generation for Robot Manipulators Based on CAD Models
(Peer reviewed; Journal article, 2020)Traditional extrusion based additive manufacturing (AM) is realized using a 3 degrees of freedom (DOF), translation only, 3D printer. It then follows that the printer must be larger than the printed part. One way of enabling ... -
Advancing Data Quality of Marine Archaeological Documentation Using Underwater Robotics: From Simulation Environments to Real-World Scenarios
(Peer reviewed; Journal article, 2024)This paper presents a novel method for the visual-based 3D mapping of underwater cultural heritage sites through marine robotic operations. The proposed methodology addresses the three main stages of an underwater robotic ... -
Advancing multi-vehicle deployments in oceanographic field experiments
(Journal article; Peer reviewed, 2018)Our research concerns the coordination and control of robotic vehicles for upper water-column oceanographic observations. In such an environment, operating multiple vehicles to observe dynamic oceanographic phenomena, such ... -
Advancing Ocean Observation with an AI-driven Mobile Robotic Explorer
(Journal article; Peer reviewed, 2020)Rapid assessment and enhanced knowledge of plankton communities and their structure in the productive upper water column is of crucial importance to understand the impact of the changing climate on upper ocean processes. ... -
Aerodynamic roughness length of crevassed tidewater glaciers from UAV mapping
(Peer reviewed; Journal article, 2021)The aerodynamic roughness length (z0) is an important parameter in the bulk approach for calculating turbulent fluxes and their contribution to ice melt. However, z0 estimates for heavily crevassed tidewater glaciers are ...