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Remote vessel survey using VR
(Master thesis, 2021)I denne masteroppgaven ble en VR-applikasjon for eksterne skipsundersøkelser utviklet i spillmotoren Unity. Oppgaven ble gitt av det marine forsikringsselskapet Gard. Covid-19 pandemien har gjort det vanskelig for Gard å ... -
Remote vessel survey using VR
(Master thesis, 2021)I denne masteroppgaven ble en VR-applikasjon for eksterne skipsundersøkelser utviklet i spillmotoren Unity. Oppgaven ble gitt av det marine forsikringsselskapet Gard. Covid-19 pandemien har gjort det vanskelig for Gard å ... -
Rendering software for procedurally generated environments
(Master thesis, 2023)Prosedyredrevet generering beskriver hvordan data verdier kan skapes ved hjelp av algoritmer og matematiske prosedyrer. Typisk vil verdier som skapes av prosedyrer ha et sett med tilfeldige egenskaper, begrenset av prosedyrens ... -
Repetitive control-based phase voltage modulation amendment for FOC-based five-phase PMSMs under single-phase open fault
(Peer reviewed; Journal article, 2020)This article investigates the most elementary phase voltage modulation (PVM) for a more generic five-phase permanent magnet synchronous motor drive under a single-phase open fault. Most works on this topic are intended for ... -
Reservoir characterization in Under-balanced Drilling using Low-Order Lumped Model
(Journal article; Peer reviewed, 2017)Estimation of the production index of oil and gas from the reservoir into the well during under-balanced drilling (UBD) is studied. This paper compares a Lyapunov-based adaptive observer and a joint unscented Kalman filter ... -
Reservoir Characterization in Under-balanced Drilling with Nonlinear Moving Horizon Estimation with Manual and Automatic Control Conditions
(Peer reviewed; Journal article, 2020)This paper discusses the state estimation of the Under-Balanced Drilling (UBD) system in the presence of parametric uncertainties. During this process, the production indices of oil and gas from the reservoir into the well ... -
Reservoir Management under Uncertainty
(Master thesis, 2015)Uncertainty poses a major concern in reservoir management. To maximize production, engineers and geoscientists use numerical models of the reservoir to simulate the production process in advance, and mathematical optimization ... -
Residual learning based CNN for breast cancer histopathological image classification
(Peer reviewed; Journal article, 2020)Biopsy is one of the most commonly used modality to identify breast cancer in women, where tissue is removed and studied by the pathologist under the microscope to look for abnormalities in tissue. This technique can be ... -
Resilience in Control and Motion Planning for Autonomous robots
(Doctoral theses at NTNU;2023:320, Doctoral thesis, 2023)Recent advances in autonomy research have enabled the widespread adoption of robots in multiple applications including for subterranean exploration, construction, agriculture, parcel delivery, and forestry. However, ... -
Resilient Collision-tolerant Navigation in Confined Environments
(Chapter, 2021)This work presents the design and autonomous navigation policy of the Resilient Micro Flyer, a new type of collision-tolerant robot tailored to fly through extremely confined environments and manhole-sized tubes. The robot ... -
ResiPlan: Closing the Planning-Acting Loop for Safe Underwater Navigation
(Journal article, 2023)Autonomous operation in underwater environments is, arguably, one of the most complex domains. It requires safe operations under the presence of unpredictable surge, currents, uncertainty, and dynamic obstacles that ... -
Resistivity Estimation Using Convolutional Neural Networks
(Master thesis, 2021)Denne oppgaven undersøker egnetheten av å anvende 2D tverrsnitt av 3D kjerneprøver i form av CT-scan data sammen med konvolusjonelle nevrale nettverk(CNN) for å bygge modeller for prediksjon av resistivitet. En av de viktige ... -
Resolving the Limb Position Effect in Myoelectric Pattern Recognition
(Journal article; Peer reviewed, 2011)Reported studies on pattern recognition of electromyograms (EMG) for the control of prosthetic devices traditionally focus on classification accuracy of signals recorded in a laboratory. The difference between the constrained ... -
Resource-aware Online Parameter Adaptation for Computationally -constrained Visual-Inertial Navigation Systems
(Chapter, 2021)In this paper, a computational resources-aware parameter adaptation method for visual-inertial navigation systems is proposed with the goal of enabling the improved deployment of such algorithms on computationally constrained ... -
Response Amplitude Operator Estimation and Prediction of Heave Motions
(Master thesis, 2020)Å bore etter olje fra flytende plattformer er ofte assosiert med store utfordringer, særlig relatert til vær- og vindforhold. Under boreoperasjonen er boreplattformen hiv-kompensert ved hjelp av et system som holder ... -
Response analysis and comparison of a spar-type floating offshore wind turbine and an onshore wind turbine under blade pitch controller faults
(Journal article; Peer reviewed, 2016)This paper analyses the effects of three pitch controller faults on the responses of an onshore wind turbine and a spar-type offshore floating wind turbine. These faults include: a stuck blade pitch actuator, a fixed value ... -
Resynchronization of Islanded Virtual Synchronous Machines by Cascaded Phase and Frequency Controllers Acting on the Internal Power Reference
(Chapter, 2020)Virtual Synchronous Machines (VSMs) have the capability to operate in grid connected or in islanded mode in the same way as synchronous machines. Furthermore, VSMs can inherently support seamless transition from grid ... -
A retrospective look at cross model validation and its applicability in vibrational spectroscopy
(Peer reviewed; Journal article, 2021)In this paper, it is presented how Cross Model Validation (CMV), also known as double cross validation, efficiently can be applied for variable selection in spectroscopic applications. The chosen applications are FT-IR ... -
Review of advanced physical and data‐driven models for dynamic bioprocess simulation: Case study of algae–bacteria consortium wastewater treatment
(Peer reviewed; Journal article, 2019)Microorganism production and remediation processes are of critical importance to the next generation of sustainable industries. Undertaking mathematical treatment of dynamic biosystems operating at any spatial or temporal ... -
A review of path planning algorithms in maritime autonomous surface ships: Navigation safety perspective
(Peer reviewed; Journal article, 2022)Unmanned maritime systems are evolving in a rapidly changing environment. Although the regulation and international law processes are still in progress, there are numerous research attempts regarding autonomous maritime ...