Now showing items 67053-67072 of 100723

    • Optimal Investment Strategies under Decision-Dependent Stochastic Environments 

      Olsen, Tord (Master thesis, 2018)
      This thesis investigates the optimal investment decisions of a firm, when the characteristics of the firm's stochastic environment are dependent on these decisions. We model situations where the market the firm operates ...
    • Optimal Investment Strategy in Lice-Fighting Technologies 

      Matanovic, Dunja; Brakstad, Oscar Mathias (Master thesis, 2017)
      Salmon lice is a parasite feeding off the flesh and skin of the fish, and is currently one of the largest challenges for the aquaculture industry, prohibiting growth in the industry. In order to allow for growth in an ...
    • Optimal Investment Strategy in Pharmaceutical Research & Development 

      Landa, Marianne; Burkeland, Morten Næve; Sejersted, Agnes Nicoline (Master thesis, 2018)
      Managers in the pharmaceutical industry must constantly make decisions regarding development of new drugs. They are exposed to high expectations and demands from both the government and the society with respect to battling ...
    • Optimal investment timing and capacity choice for pumped hydropower storage 

      Fertig, Emily; Heggedal, Ane Marte; Doorman, Gerard L.; Apt, Jay (Journal article; Peer reviewed, 2014)
      Pumped hydropower storage can smooth output from intermittent renewable electricity generators and facilitate their large-scale use in energy systems. Germany has aggressive plans for wind power expansion, and pumped storage ...
    • Optimal koblingssekvens ved oppstart av generator 

      Borgersen, Mathilde Jensen; Elliott, Simeon; Fossum, Jørgen Saxebøl; Kristensen, Tobias; Mortensen, Ragnhild Elvine MacQueen (Bachelor thesis, 2023)
      Elektrifisering og økt andel uregulerbar kraft har ført til større svingninger i strømprisen. Vannkraftverk som tidligere holdt en stabil last, kobler nå inn og ut generatorene sine i takt med prissvingningene. Konsekvensene ...
    • Optimal komprimering av støttefylling på fyllingsdammer 

      Leikvangen, Mari (Master thesis, 2019)
      Komprimeringarbeidet har stor innvirkning på kvaliteten til en steinfyllingsdam med tanke på stabilitet, setningsbilde, vedlikehold og levetid. Det finnes ulike metoder for komprimering av steinfylling for eksempel spyling ...
    • Optimal konstruksjon av varmesystem i idrettsflater 

      Sandvik, Lillian; Myhr, Jørgen (Bachelor thesis, 2021)
      I elitefotball kreves det et undervarmesystem for å kunne benytte kunstgressbaner i vinterhalvåret. Det kreves mye energi for å kunne holde spilleflaten myk til spillerne slik de unngår skader. I denne oppgaven fokuseres ...
    • Optimal kontrol av kontrollerbar pitch propell 

      Brevik, Anders (Master thesis, 2016)
      I senere år har det blitt gjort store framskritt innenfor propeller med kontrollerbar pitch. Hovedmålet til denne masteroppgaven er å designe en kontroller som finner den optimale kombinasjonen av akslingshastighet og ...
    • Optimal lagerstyring av kontanter i minibanker med usikker etterspørsel 

      Bakken, Geir Martin; Wiik, Michael (Master thesis, 2014)
      Lønnsomheten av norske bankers drift av minibanker er redusert de siste årene. Dette som en konsekvens av blant annet en kraftig økning av korttransaksjoner og dertil nedgang i kontantuttak fra minibanker. Redusert lønnsomhet ...
    • Optimal Linear Controller for Minimizing DC Voltage Oscillations in MMC-Based Offshore Multiterminal HVDC Grids 

      Elahidoost, Atousa; Furieri, Luca; Kamgarpour, Maryam; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2021)
      The paper aims at minimizing DC voltage oscillations in offshore multiterminal high-voltage direct current (HVDC) grids based on modular multilevel converters (MMCs). The DC voltage stability is a crucial factor in ...
    • Optimal liquified natural gas (LNG) cold energy utilization in an Allam cycle power plant with carbon capture and storage 

      Yu, Haoshui; Gundersen, Truls; Gencer, Emre (Peer reviewed; Journal article, 2021)
      Oxy-combustion power cycles are an alternative technology for electricity generation to facilitate carbon capture and storage (CCS). Among oxy-combustion power cycles, the Allam cycle is one of the most promising technologies ...
    • Optimal load management strategy for large electric vehicle charging stations with undersized charger clusters 

      Gümrükcü, Erdem; Ponci, Ferdinanda; Monti, Antonello; Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2021)
      This study proposes a load management strategy for parking and charging facilities with the capacity to serve several hundreds of electric vehicles. The strategy is built upon two assumptions on power distribution systems ...
    • Optimal location of ammonia replenishment to support the Northeast Asia - US Pure Car Carrier green corridor 

      Killingmo, Lasse (Master thesis, 2023)
      Skip er regnet som den mest kostnadseffektive metoden for frakt av varer rundt om i verden. Omtrent 80% av den globale verdenshandelen foregår i dag på sjøen og denne formen for transport er i stor grad drevet på tungolje, ...
    • Optimal Location of Energy Replenishment Stations for Zero-Emission Vessels 

      Haahjem, Eirik Eikeland (Master thesis, 2022)
      For å muliggjøre det grønne skiftet innen sjøtransport, så må nullutslippsenergibærere tas i bruk av industrien. En betydelig utfordring for noen av nullutslippsenergibærerne (f.eks. hydrogen) er energilagringskapasitet. ...
    • Optimal LQG Controller for Variable Speed Wind Turbine Based on Genetic Algorithms 

      Barrera-Cardenas, Rene Alexander; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2012)
      Linear Quadratic Gaussian (LQG) control methodology shows useful properties of good performance and robust-ness in controller design applied to wind turbine. Typically, in the design procedure LQG method is necessary to ...
    • Optimal Maintenance for Degrading Assets in the Context of Asset Fleets-A Case Study 

      Spuntrup, F Schulze; Dalle Ave, G; Imsland, Lars Struen; Harjunkoski, Iiro (Peer reviewed; Journal article, 2020)
      Decision-making for maintenance of engineering assets is a common challenge in the process industry due to ongoing degradation. With an increasing company-size, this problem becomes more complex from an operational and ...
    • Optimal Maintenance Scheduling for Washing of Compressors to Increase Operational Efficiency 

      Schulze, Frederik Spuentrup; Dalle Ave, G; Imsland, Lars Struen; Harjunkoski, Iiro (Peer reviewed; Journal article, 2019)
      The need for simultaneously decreasing carbon emissions and increasing operational profit motivates gas turbine and gas compressor operators to understand, minimize and control performance deterioration. Fouling is one of ...
    • Optimal Management for Megawatt Level Electric Vehicle Charging Stations with a Grid Interface Based on Modular Multilevel Converter 

      Gümrükcü, Erdem; Asadollahi, Ehsan; Joglekar, Charukeshi; Ponci, Ferdinanda; Monti, Antonello; Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2021)
      This paper proposes a strategy to manage an electric vehicle charging station (EVCSs) with a grid-side interface based on a Modular Multilevel Converter (MMC). In such a system, heterogeneous behavior of electric vehicles ...
    • Optimal management of ADHD in older adults 

      Torgersen, Terje; Gjervan, Bjørn; Lensing, Michael B.; Rasmussen, Kirsten (Journal article; Peer reviewed, 2016)
      Background: The manifestation of attention-deficit/hyperactivity disorder (ADHD) among older adults has become an interesting topic of interest due to an increasing number of adults aged 50 years and older (≥50 years) ...
    • Optimal management of green certificates in the Swedish-Norwegian market 

      Benth, Fred Espen; Eriksson, Marcus Karl Viren; Westgaard, Sjur (Journal article, 2017)
      We propose and investigate a valuation model for the income of selling tradeable green certificates (TGCs) in the Swedish–Norwegian market, formulated as a singular stochastic control problem. Our model takes into account ...