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Optimal design and routing of power lines; ecological, technical and economic perspectives (OPTIPOL). Progress Report 2011
(NINA rapport;, Research report, 2011)Overall the activities in 2011 have developed satisfactorily and in accordance with the project schedule. The wildlife and power-line corridor subproject is focusing the moose habitat use of the clear-felled area beneath ... -
Optimal design of a regional railway service in Italy
(Journal article; Peer reviewed, 2017)In order to assess the actual ability of planned infrastructure investments to satisfy the required demand of service, railway engineers also need to plan the new offer of train services. In turn, this requires a full ... -
Optimal Force Allocation for Overconstrained Cable-Driven Parallel Robots: Continuously Differentiable Solutions With Assessment of Computational Efficiency
(Peer reviewed; Journal article, 2020)In this article, we present a novel method for force allocation for overconstrained cable-driven parallel robot setups that guarantees continuously differentiable cable forces and allows for small penalized errors in the ... -
Optimal Hydropower Maintenance Scheduling in Liberalized Markets
(Journal article; Peer reviewed, 2018)Maintenance scheduling is an important and complex task in hydropower systems. In a liberalized market, the generation company will schedule maintenance periods to maximize the expected profit. This paper describes a method ... -
Optimal inspeksjons- og vedlikeholdskoordinering for stikkrenner
(SINTEF Rapport;A26341, Research report, 2014) -
Optimal medium-term hydropower scheduling considering energy and reserve capacity markets
(Journal article; Peer reviewed, 2016)Print Request Permissions This paper describes a method for optimal scheduling of hydropower systems for a profit maximizing, price-taking, and risk neutral producer selling energy, and capacity to separate and sequentially ... -
Optimal microgrid operation considering battery degradation using stochastic dual dynamic programming
(Chapter; Peer reviewed, 2019) -
Optimal Operation Voltage for Maximal Power Transfer Capability on Very Long HVAC Cables
(Journal article; Peer reviewed, 2016)An analytical approach towards the operation of very long HVAC cables has been developed. The main physical phenomena have been expressed with simplified analytical equations. A comparison with numerical simulations has ... -
Optimal power flow methods and their application to distribution systems with energy storage : a survey of available tools and methods
(SINTEF Energi. Rapport;, Research report, 2016) -
Optimal preventive policies for parallel systems using Markov decision process: application to an offshore power plant
(Peer reviewed; Journal article, 2023)This work proposes a Markov Decision Process (MDP) model for identifying windows of opportunities to perform preventive maintenance for multi-unit parallel systems subject to a varying demand. The main contribution lies ... -
Optimal price-based scheduling of a pumped-storage hydropower plant considering environmental constraints
(Peer reviewed; Journal article, 2023)The paper proposes a novel medium-term scheduling model for a hydropower system composed by a pumped storage hydropower plant connected to a traditional hydropower plant subject to three types of environmental constraints; ... -
Optimal recovery of thermal energy in liquid air energy storage
(Peer reviewed; Journal article, 2021)The increasing share of renewables in energy systems requires energy storage technologies to handle intermittent energy sources and varying energy sinks. Liquid air energy storage (LAES) is a promising technology since it ... -
Optimal Selection of Thermal Energy Storage Technology for Fossil-Free Steam Production in the Processing Industry
(Peer reviewed; Journal article, 2021)Due to increased share of fluctuating renewable energy sources in future decarbonized, electricity-driven energy systems, participating in the electricity markets yields the potential for industry to reduce its energy costs ... -
Optimal Shaping of the MMC Circulating Currents for Preventing AC-side Power Oscillations from Propagating into HVDC Grids
(Journal article; Peer reviewed, 2019)A constrained optimization problem based on the Lagrange multipliers method is formulated to derive the circulating current references of Modular Multilevel Converters (MMC) directly in abc coordinates. The resulting ... -
Optimal ship lifetime fuel and power system selection
(Peer reviewed; Journal article, 2021)Alternative fuels and fuel-flexible ships are often seen as promising solutions for achieving significant greenhouse gas reductions in shipping. We formulate the selection of alternative fuels and corresponding ship power ... -
Optimal Sizing of Battery Energy Storage Systems for Hybrid Marine Power Systems
(Chapter; Peer reviewed, 2019) -
Optimal Surface Fitting of Point Clouds Using Local Refinement
(SpringerBriefs in Earth System Sciences;, Book, 2023)This open access book provides insights into the novel Locally Refined B-spline (LR B-spline) surface format, which is suited for representing terrain and seabed data in a compact way. It provides an alternative to the ... -
Optimal Time Delay Extraction for Transmission Line Modeling
(Journal article; Peer reviewed, 2016)Frequency-dependent transmission line modeling by the traveling wave method requires to approximate the propagation function with a delayed rational function. Some approaches are based on modal decomposition where scalar ... -
Optimal timing of assessment tasks depending on experience level of surgical trainees
(Peer reviewed; Journal article, 2019)Introduction: Box trainers with motion analysis are important add-ons to surgical training and skills assessment outside the operating room, given that they exhibit construct validity. Material and methods: Four different ...