• An Optimal Method for Speech Recognition Based on Neural Network 

      Ishak, Mohamad Khairi; Madsen, Dag Øivind; Al-Zahrani, Fahad Ahmed (Peer reviewed; Journal article, 2023)
      Natural language processing technologies have become more widely available in recent years, making them more useful in everyday situations. Machine learning systems that employ accessible datasets and corporate work to ...
    • Optimal Operation of Stand-Alone Microgrid Considering Emission Issues and Demand Response Program Using Whale Optimization Algorithm 

      Tahmasebi, Mehrdad; Pasupuleti, Jagadeesh; Mohamadian, Fatemeh; Shakeri, Mohammad Taghi; Guerrero, Josep M.; Basir Khan, M. Reyasudin; Nazir, Mohammad; Safari, Amir; Bazmohammadi, Najmeh (Peer reviewed; Journal article, 2021)
      Microgrids are new technologies for integrating renewable energies into power systems. Optimal operation of renewable energy sources in standalone micro-grids is an intensive task due to the continuous variation of their ...
    • Optimal Operation of the Peat Drying Process in Steam Tube Dryers 

      Kulakovsky, Leonid; Rosen, Victor; Sharma, Roshan; Pfeiffer, Carlos Fernando; Lie, Bernt (Journal article; Peer reviewed, 2015-11-25)
      Ukraine is an energy-dependent country and aims to reduce the import of natural gas, heat, and power in general. This implies extracting fuel from her own natural resources; one relevant and readily available energy carrier ...
    • Optimal Settings of Fast Active Power Controller: Nordic Case 

      Acosta Montalvo, Martha Nohemi; Gonzalez-Longatt, Francisco; Denysiuk, Serhii; Strelkova, Halyna (Chapter, 2020)
      The Nordic power system is continuously changing, and it has been experiencing a growing replacing of conventional power plants with renewable power plants, this together with other factors are causing reduction of the ...
    • Optimal Tuning of Active Power Gradient Control for Frequency Support in Multi-Energy Systems 

      Perilla, Arcadio; Gusain, Digvijay; Rueda, Jose Luis; Palensky, Peter; A. M. M. van der Meijden, Mart; Gonzalez-Longatt, Francisco (Chapter, 2020)
      Coping with severe active power imbalances constitutes a challenging task in low inertia multi-energy systems. The phase out of the majority of conventional power plants with large size synchronous generators entails that ...
    • Optimal UFLS Settings: An Assessment of Frequency System Response Indicators 

      Acosta Montalvo, Martha Nohemi; Adiyabazar, Choidorj; Gonzalez-Longatt, Francisco; Rueda Torres, Jose Luis; Palensky, Peter (Chapter, 2020)
      This paper investigates the positive changes in the system frequency response indicators caused by the implementation of a set of optimal settings of an under-frequency load shedding (UFLS) scheme. The optimal UFLS scheme ...
    • Optimal under-frequency load shedding setting at Altai-Uliastai regional power system, Mongolia 

      Acosta Montalvo, Martha Nohemi; Adiyabazar, Choidorj; Gonzalez-Longatt, Francisco; Andrade, Manuel A.; Torres, José Rueda; Vazquez, Ernesto; Santos, Jesús Manuel Riquelme (Peer reviewed; Journal article, 2020)
      The Altai-Uliastai regional power system (AURPS) is a regional power system radially interconnected to the power system of Mongolia. The 110 kV interconnection is exceptionally long and susceptible to frequent trips because ...
    • Optimism and alienation – colour schemes and soundscapes as means for the social construction of risk in climate education videos 

      Foss, Eirik Granly; Øidvin Burgess, Marthe (Peer reviewed; Journal article, 2020)
      While the field of climate change communication has become increasingly interested in visual representations, there has been a lack of research that attempts to capture the breadth and variety of semiotic resources being ...
    • Optimization of gas velocity and pressure drop in CO2 absorption column 

      Park, Kwangsu; Øi, Lars Erik (Journal article; Peer reviewed, 2017)
      For a traditional amine-based CO2 capture system, the absorber column accounts for a significant part of the overall capital- and operating cost. One important design factor of absorber columns is the gas velocity through ...
    • Optimization of lift gas allocation in a gas lifted oil field as non-linear optimization problem. 

      Sharma, Roshan; Fjalestad, Kjetil; Glemmestad, Bjørn (Journal article; Peer reviewed, 2012)
      Proper allocation and distribution of lift gas is necessary for maximizing total oil production from a field with gas lifted oil wells. When the supply of the lift gas is limited, the total available gas should be optimally ...
    • An Optimization-Linked Intelligent Security Algorithm for Smart Healthcare Organizations 

      Irshad, Reyazur Rashid; Alattab, Ahmed Abdu; Alsaiari, Omar Ali Saleh; Sohail, Shahab Saquib; Aziz, Asfia; Madsen, Dag Øivind; Alalayah, Khaled M. (Peer reviewed; Journal article, 2023)
      IoT-enabled healthcare apps are providing significant value to society by offering cost-effective patient monitoring solutions in IoT-enabled buildings. However, with a large number of users and sensitive personal information ...
    • Optimized carbon dioxide removal model for gas fired power plant 

      Arachchige, Udara Sampath P.; Mohsin, Muhammad; Melaaen, Morten Christian (Journal article; Peer reviewed, 2012)
      The carbon capture process model was developed for 500MW gas-fired power plant flue gas treating. Three different efficiencies, 85%, 90%, and 95%, were used to implement the model in Aspen Plus. The electrolyte NRTL rate ...
    • Optimum feeding rate of solid hazardous waste in a cement kiln burner 

      Ariyaratne, W. K. Hiromi; Melaaen, Morten Christian; Tokheim, Lars-André (Journal article; Peer reviewed, 2013)
      Solid hazardous waste mixed with wood chips (SHW) is a partly CO2 neutral fuel, and hence is a good candidate for substituting fossil fuels like pulverized coal in rotary kiln burners used in cement kiln systems. SHW is ...
    • Optometriske berømtheter i Krona (3) : Kjell Inge Daae 

      Helland, Magne (Others, 2017)
      Hvem skjuler seg bak romnavn i optikerutdanningens nye lokaler? Alle norske optikere vet hvem Kjell Inge Daae er. Men for noen få som har fullført sin utdanning de siste årene, og unge studenter som fortsatt er under ...
    • Oral skills and learner agency in the foreign language classroom: Reflections on self-regulated learning and feedback in a Nordic perspective 

      Ramberg, Maria Håkansson; Bøhn, Henrik (Peer reviewed; Journal article, 2023)
      Learner agency is frequently advocated as a basic principle of contemporary language education, involving learner engagement and autonomy. This principle is supported by research in the fields of Self-Regulated Learning ...
    • Orf virus infection in Alaskan mountain goats, Dall’s sheep, muskoxen, caribou and Sitka black-tailed deer 

      Tryland, Morten; Beckmen, Kimberlee B.; Burek-huntington, Kathleen; Breines, Eva Marie; Klein, Jörn (Journal article; Peer reviewed, 2018)
      Background: The zoonotic Orf virus (ORFV; genus Parapoxvirus, Poxviridae family) occurs worldwide and is transmitted between sheep and goats, wildlife and man. Archived tissue samples from 16 Alaskan wildlife cases, ...
    • Organisasjoners tilpasning til radikale reformer 

      Ødegård, Ansgar (Journal article; Peer reviewed, 2017)
      Artikkelen beskriver hvordan to norske energiverk tilpasser seg den radikale og liberale markedsreformen som ble implementert i elforsyningen som en følge av ny energilov i 1990. Jeg argumenterer for at viljen og evnen til ...
    • Organising family and business: Affective value prioritisation amongst older entrepreneurs 

      Stirzaker, Rebecca; Kapasi, Isla; Galloway, Laura (Peer reviewed; Journal article, 2022)
      This paper explores the entrepreneurial motivations of older entrepreneurs, specifically the importance of affective motivations and the influence of family and personal wellbeing on older entrepreneurs’ decisions to ...
    • Organizational climate, organizational support and citizenship behavior in the army 

      Piotrowski, Andrzej; Boe, Ole; Samir, Rawat; Deshpande, Abhijit P. (Peer reviewed; Journal article, 2020)
      The main aim of this study is to determine how citizenship behaviors may be shaped in the Armed Forces. The presented study is by far the first that thor- oughly examines connections between all aspects of organizational ...
    • Organizational Transformation Through Service Design: The Institutional Logics Perspective 

      Kurtmollaiev, Seidali; Fjuk, Annita; Pedersen, Per Egil; Clatworthy, Simon; Kvale, Knut (Journal article; Peer reviewed, 2018)
      In this article, we provide in-depth insight into the process of adopting service design (SD) by a large service organization. We use an inductive interpretive approach and draw on rich longitudinal data collected in one ...