Blar i Institutt for maskinteknikk og produksjon på tittel
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Understanding powder bed fusion additive manufacturing phenomena via numerical simulation
(Peer reviewed; Journal article, 2020)The increasing interest in additively manufactured metallic parts from industry has issued a formidable challenge to the academic and scientific world that is asked to design new alloys, optimize process parameters and ... -
Understanding the fracture behavior of brittle and ductile multi-flawed rocks by uniaxial loading by digital image correlation
(Journal article; Peer reviewed, 2018)Fracturing behavior of ductile multi-flawed rock mass is very different from those of brittle multi-flawed rock mass. However, there is a very vague distinction of the fracture mechanism of ductile multi-flawed rock mass ... -
Understanding the friction of atomically thin layered materials
(Peer reviewed; Journal article, 2020)Friction is a ubiquitous phenomenon that greatly affects our everyday lives and is responsible for large amounts of energy loss in industrialised societies. Layered materials such as graphene have interesting frictional ... -
Understanding the hydrogen effect on pop-in behavior of an equiatomic high-entropy alloy during in-situ nanoindentation
(Peer reviewed; Journal article, 2021)The variations in the pop-in behavior of an equiatomic CoCrFeMnNi high-entropy alloy under different hydrogen charging/discharging conditions were characterized via in-situ electrochemical nanoindentation. Results show ... -
Understanding the Overall Decision Making Process in the Project Execution Stage and its Key aspects - A Study of How Aker BP’s Project Management Function Takes Decisions.
(Master thesis, 2023)This master’s thesis is performed in close collaboration with Aker BP – a prominent Norwegian upstream oil and gas company. Due to an increasing number of investment projects (appx. 200 billion NOK), Aker BP wishes to ... -
Undersøkelse av materialegenskaper og karakteristikk til polymerer under høy slitende belastning - og korrelasjon med egenskaper funnet ved laboratorietester
(Master thesis, 2016)Det økende behovet for pålitelig posisjonering av oljeproduksjonsplattformer i dype farvann med tøffe værforhold har gitt et økt behov for robuste løsninger for fiberforankringstau. Den beste løsningen for å gjøre et ... -
Undersøkelse og optimalisering av maskindel i propellsystemet til skip
(Master thesis, 2014)Masteroppgaven tar for seg undersøkelse og optimalisering av en maskindel som er plassert i propellsystemet til et skip. Ved bruk av komponenten har det i enkelttilfelle oppstått sprekker nær tappen på skiven. Der delen ... -
Unique Challenges of Design Thinking in the Context of Digital Transformation with Focus on the Employee Involvement
(Master thesis, 2023)INNLEDNING Å gjennomføre en digital transformasjon ser ut til å være helt nødvendig for at bedrifter skal fortsette å lykkes. Samtidig mislykkes de fleste bedrifter i dette arbeidet, og en mulig forklaring på dette er den ... -
Unstructured bin picking of multiple shiny objects using machine learning and 3D computer vision
(Master thesis, 2021)Denne oppgaven presenterer utviklingen av et automatisert system for ustrukturert ``bin picking'' av blanke deler. Hensikten med systemet er at Siemens Energy AS skal bruke det for automatisk kitting av materialstativvogner ... -
Unsupervised Anomaly Detection based on Machine Learning
(Master thesis, 2019)Satsningen på digitalisering og implementering av konsepter som inngår i Industri 4.0 har aldri vært større, hvor tilstandsovervåkning, implementering av sensorteknologi og prediktive strategier for vedlikehold står i ... -
Unsupervised Anomaly Detection on Streaming Data in the Petroleum Industry Using Deep Neural Networks
(Master thesis, 2019)Moderne produksjonssystemer innen olje og gass er intensivt overvåket av et stort antall sensorer og tilstandsovervåkende utstyr. Dette generer enorme mengder data som kontinuerlig strømmes til produksjonsdataplattformer, ... -
Updating Hydrologic Models for Improved Inflow Forecasts into Hydropower Reservoirs
(Doctoral thesis at NTNU;2015:57, Doctoral thesis, 2015)The consumption of electricity is growing to record levels due to population growth and the global economic prosperity. The electricity generation projection for 2040 is that 25% of the global electricity generation will ... -
Use and Collection of data in Gemini VA in Asset Management
(Master thesis, 2010)As the water and wastewater network in Europe is declining, the recommendation is to move towards Asset Management, as this is a proactive approach to system rehabilitation. This thesis has been written at LNEC, Portugal, ... -
Use and development of quantitative models for maintenance decisions in the oil and gas industry on the Norwegian Continental Shelf
(Doctoral theses at NTNU;2022:388, Doctoral thesis, 2022)This Ph.D. project belongs to the BRU21 program. BRU21 stands for Better Resource Utilization in the 21st century and is NTNU’s research and innovation program in digital and automation solutions for the Oil and Gas (O&G) ... -
Use of 3D Scanning for Manufacturing Layout Redesigns
(Master thesis, 2020)Manufacturing companies are constantly looking for ways to improve profit margins and stay competitive, and a common solution is the redesign of the manufacturing layout. During the process of designing a layout, visual ... -
Use of Federated Learning and Neural Networks for Equipment Failure Detection
(Master thesis, 2023)This thesis aims to study and test the federated learning approach to predict the remaining useful life of operating machines. Federated learning is a method associated with a machine learning process to distribute the ... -
The use of human senses by train drivers to detect abnormalities
(Journal article; Peer reviewed, 2023)Driverless and unattended train operation is a foreseeable future. While many functions of the driver can be automatized and replaced but detecting abnormalities is more difficult to automate. This study investigates how ... -
Use of Maintenance Data from Periodic Intervals for Maintenance Optimisation
(Master thesis, 2015)Application and collection of data from maintenance work as a systematic process is paramount for the continuous improvement of any maintenance program. Teekay Petrojarl, the world s largest FPSO operator, is working to ...