• Active and passive damping systems for vibration control of metal machining equipment 

      Hermanrud, Ole Christian (Master thesis, 2017)
      Passive damping is used to reduce vibrations of machining tools. The drawback with the passive damping system is that it is adjusted to damp out vibrations in one restricted frequency range. Active damping uses real time ...
    • Active vibration damping of boring bars 

      Knabe, Christoph Bernd (Master thesis, 2011)
      Teeness AS develops and produces damped tools for a variety of machining operations. To date passive damping elements are employed to absorb the vibrations that occur as a result of the interaction between the cutting ...
    • Activities Within Maintenance Management 

      Raeyatinezhad, Hanieh (Master thesis, 2023)
      Denne oppgaven tar sikte på å utforske vedlikeholdsstyringstrendene og innovasjonene som former fremtiden for vedlikeholdspraksis. Ved å undersøke disse trendene kan vi få innsikt i de nye strategiene, teknologiene og ...
    • Activity-based Modelling for Operational Decision-support 

      Edwin, Nathaniel John (Master thesis, 2015)
      The recent plunge in oil and gas prices has led to most players in the industry cutting capital investments and squeezing operational costs. In such a business setting, increasing production while improving safety performance ...
    • Adaptability 

      Geraedts, Rob; Olsson, Nils; Hansen, Geir Karsten (Chapter, 2017)
      Real estate is a product with a high economic value, a long technical life cycle and a large spatial-physical impact. That is why it is of great societal importance to use real estate as efficient as possible. To enable a ...
    • An adaptable end-to-end maintenance performance diagnostic framework 

      Ge, Jingrui; Sigsgaard, Kristoffer Vandrup; Andersen, Bjørn Sørskot; Mortensen, Niels Henrik; Agergaard, Julie Krogh; Hansen, Kasper Barslund (Peer reviewed; Journal article, 2023)
      Purpose This paper proposes a progressive, multi-level framework for diagnosing maintenance performance: rapid performance health checks of key performance for different equipment groups and end-to-end process diagnostics ...
    • Adaptiv maskinering av deler for aerospace 

      Holtskog, Liv Ellinor (Master thesis, 2017)
      Denne masteroppgaven er basert på et ønske fra KDS om å helautomatisere en prosess fra målinger med en måleprobe til maskinerte sammenstillinger, utført i samme maskineringssenter. Sammenstillingene består av to deler som ...
    • Adaptive Control of Subsea Processes 

      Ohrem, Sveinung Johan (Doctoral theses at NTNU;2019:217, Doctoral thesis, 2019)
    • Adaptive controller and observer design using open and closed-loop reference models for linear time-invariant systems with unknown dynamics 

      Ohrem, Sveinung Johan; Holden, Christian (Peer reviewed; Journal article, 2021)
      This article presents an output feedback controller and observer design approach for linear time-invariant systems with unknown dynamics. The presented method uses an open-loop reference model to generate the desired ...
    • Adaptive Feedback Linearizing Control of a Gas Liquid Cylindrical Cyclone 

      Ohrem, Sveinung Johan; Kristoffersen, Torstein Thode; Holden, Christian (Chapter, 2017)
      As subsea production of oil and gas reaches deeper and more remote waters, the need for more compact separation equipment arises. The gas hquid cylindrical cyclone (GLCC) is a widely used separation device in topside ...
    • Additiv tilvirkning av ekstruderingsverktøy med optimaliserte kjølekanaler 

      Sandøy, Rune Kringstad (Master thesis, 2015)
      For ekstrudering av aluminium er temperatur en viktig parameter. Høyere temperatur fører til redusert belastning på maskin og verktøy, samtidig som for høy temperatur fører til risiko for feil på produktet. Det er også ...
    • Additiv tilvirkning av verktøy for aluminiumstøping 

      Wilberg Hovig, Even (Master thesis, 2017)
      Hovedmålet med denne masteroppgaven er å undersøke hvordan prosessparametere ved lavtrykkstøping kan manipuleres for å støpe gods med lavere veggtykkelse enn det som er standard i dag. Parametere som nevnes er a) ...
    • Additiv Tilvirkning som Produksjonsmetode for Verktøyholdere 

      Grøstad, Erling (Master thesis, 2016)
      Additiv tilvirkning (AM) er en produksjonsmetode der en lagvis bygger opp komponenter basert på informasjon fra en 3-dimensjonal modell uten behov for å først produsere verktøy som for eksempel støpeformer eller ...
    • Additive manufacture of superduplex stainless steel using WAAM 

      Eriksson, Magnus Carl Fredrik; Lervåg, Malin; Sørensen, Camilla; Robertstad, Andreas; Brønstad, Bård M.; Nyhus, Bård; Aune, Ragnhild; Ren, Xiaobo; Akselsen, Odd Magne (Journal article; Peer reviewed, 2018)
      Superduplex stainless steels have been used in the oil and gas industry for a couple of decades due to the combination of excellent mechanical properties and corrosion resistance. The present investigation addresses the ...
    • Additive Manufactured Robot Grippers With Advanced Functionality 

      Steen, Sverre (Master thesis, 2016)
      Kongsberg Automotive produces injection molded parts. These are removed from the mold with a robot gripper. These robot grippers have grown larger as the complexity of the molds grew. This has increased the amount of ...
    • Additive Manufacturing Adoption for Supply Chain Resilience: An Empirical Investigation 

      Aguariavwodo, Joseph (Master thesis, 2023)
      Supply chain disruptions are a major concern for organizations, as they can lead to delays, increased costs, and lost revenue. Additive manufacturing, also known as 3D printing, has emerged as a promising technology for ...
    • Additive Manufacturing and Spare Parts: Literature Review and Future Perspectives 

      Peron, Mirco; Sgarbossa, Fabio (Chapter, 2021)
      The use of Additive Manufacturing (AM) for spare parts management has increasingly gained interest in the last years, thanks to the possibility provided by AM technologies to print-on-demand. In such a way, the high spare ...
    • Additive Manufacturing by Robot: An Overview of the State-of-the-Art and Proof-of-Concept Results 

      Evjemo, Linn Danielsen; Moe, Signe; Gravdahl, Jan Tommy; Roulet-Dubonnet, Olivier; Brøtan, Vegard; Gellein, Lars Tore (Chapter, 2017)
      For the last decades, additive manufacturing (AM) has become an ever increasing part of the development of new technology and devices. However, it is still challenging to use this technology on a larger scale. This paper ...
    • Additive Manufacturing for High Value Metal Production in an Optimized Hybrid Manufacturing Cell 

      Brøtan, Vegard (Doctoral thesis at NTNU;2015:29, Doctoral thesis, 2015)
      The in-between processes have also been investigated. In the hybrid cell, the surface roughing is done by a surface milling operation in the milling machine, contrary to the traditional sand blasting operation. And, there ...
    • Additive Manufacturing for Large Products 

      Leirvåg, Roar Nelissen (Master thesis, 2013)
      This thesis researches the possibility and feasibility of applying additive manufacturing technology in the manufacturing of propellers. The thesis concerns the production at the foundry Oshaug Metall AS. Their products ...