Blar i NTNU Open på forfatter "Lefebvre, Nicolas"
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Analysis of Accelerometric Datasets for Wind Turbine Monitoring
Rolfseng, Jon Henning (Master thesis, 2016)An approach using accelerometric datasets for condition monitoring of wind turbines is developed and applied specifically to the planetary stage of the gearbox. -
Analysis of the Boil-Off Phenomenon in Relation to Ambient Conditions
Paulsen, Erling Singstad (Master thesis, 2017)The relationship between ambient conditions and the boil-off of liquefied natural gas during marine transportation has been investigated using a data-driven approach. The data consisted of sensory data collected from a ... -
Data-Driven Analysis of Vessel Performance
Jonge, Christian de (Master thesis, 2017)In this thesis the relation between vessel performance and various vessel and environmental variables were investigated using a data-driven approach. A total of 12 variables such as speed over ground and days since drydock ... -
Engine Controller Design and Implementation for a 255 kW Diesel Engine
Land, Ketil (Master thesis, 2016)A Hybrid Power Lab is established at the Marine Technology Centre by MARINTEK, ABB and NTNU. This is a DC-grid system where variable speed generators are essential to reduce fuel consumption and emissions. The traditional ... -
Hybrid modeling of strategic loading of a marine hybrid power plant with experimental validation
Rejani Miyazaki, Michel; Sørensen, Asgeir Johan; Lefebvre, Nicolas; Yum, Koosup; Pedersen, Eilif (Journal article; Peer reviewed, 2016)Recent developments in marine power systems, energy storage devices (ESDs) technology, and modification to rules and regulations increase the opportunities to improve efficiency and reduce emissions. One particular application ... -
Integration of risk in hierarchical path planning of underwater vehicles
Lefebvre, Nicolas; Schjølberg, Ingrid; Utne, Ingrid Bouwer (Journal article; Peer reviewed, 2016)This paper focuses on path planning problems integrating the risk of collision. This challenge is crucial regarding the use of autonomous underwater vehicles (AUVs) for inspection, maintenance and repair operations. The ...