Institutt for maskinteknikk og produksjon: Recent submissions
Now showing items 41-60 of 3983
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Product Recovery Options in Closed Loop Supply Chain Networks: A Literature Review
(Chapter, 2023)The growth of the environmental concerns and resource scarcity have motivated organisations to rethink and reconfigure their supply chains. Closed loop supply chains (CLSC) have evolved from being merely a compliance ... -
Exploring Pre-Construction Activities in Infrastructure Projects That Can Benefit from Contractor Involvement
(Journal article; Peer reviewed, 2023)The pre-construction phase of public infrastructure projects is characterized by significant uncertainty as crucial decisions are made with limited information. This early stage of project development is influenced by a ... -
An Investigation into Technological Potentials of Library Intralogistics Operations
(Chapter, 2023)The efficiency of operations in service-oriented organizations is amongst the primary objectives. Libraries are no exception in this context, and this goal becomes even more complex due to being a non-profitable entity. ... -
The Impact of the Design Decisions of an Order Picking System on Human Factors Aspects of the Order Pickers
(Chapter, 2023)Warehouses are crucial for supply chain management and the success of businesses in production and logistics systems. The order picking (OP) system plays a vital role in achieving short lead times and high customer ... -
Intelligent Fault Diagnosis of Manufacturing Processes Using Extra Tree Classification Algorithm and Feature Selection Strategies
(Journal article; Peer reviewed, 2023)Fault diagnosis is integral to maintenance practices, ensuring optimal machinery functionality. While traditional methods relied on human expertise, intelligent fault diagnosis techniques, propelled by machine learning ... -
On the Substitution of Aluminium for Copper Conductors in Battery Systems
(Doctoral theses at NTNU;2024:86, Doctoral thesis, 2024)Aluminium’s electrical conductance per-unit mass and per-unit cost is unequalled. These are two desirable properties in a world undergoing widespread electrification. Electricity generation, transmission and utilisation ... -
An Environmental Decision Support System for Determining On-site or Off-site Additive Manufacturing of Spare Parts
(Chapter, 2023)Effective spare part management can increase the competitiveness of supply chains, but the intrinsic characteristics of spare parts (e.g., intermittent demands, dependence on suppliers) make their effective management ... -
A Digital Twin–Based Approach to Reinforce Supply Chain Resilience: Simulation of Semiconductor Shortages
(Chapter, 2023)Semiconductor shortage adversely impacted industries and stress-tested supply chain (SC) resilience. One of the lessons learned through the semiconductor crisis is that low SC visibility intensifies the severity of the ... -
A Comparative Analysis of Machine Learning models in Prognostics and Prediction of Remaining Useful Life of Aircraft Turbofan Engines
(Master thesis, 2024)I jakten på å forbedre sikkerheten og påliteligheten til komplekse industrielle systemer har teknologien for Prognostisk Helsestyring (PHM), spesielt dens komponenter for feildiagnose og prognose, funnet økende relevans i ... -
Machine learning techniques for real-time collision detection in a wheeled mobile robot
(Master thesis, 2023)This thesis focuses on the application of various machine learning (ML) techniques to improve the overall dependability of a wheeled mobile robot (WMR) control during a real-time simulation. The whole system consists on a ... -
A dataset of criteria on the use of thermal insulation solutions in building facades located in Norway, Portugal and Italy.
(Journal article; Peer reviewed, 2023)The building sector is responsible for a significant percentage of the energy consumption in Europe. The level of thermal insulation of the building envelope leads to decrease energy consumption, thus contributing towards ... -
An Appraisal Towards the Technological Improvement of Library Operations Management in Digital Era
(Journal article; Peer reviewed, 2023)Operations management has turned into a challenging agenda for non-profitable organizations in the current competitive world. To better resolve such issue, technological and digital advancements pave the way to improve the ... -
Six-Axis Robot for Autonomous Filter Change of TEG Gas Dehydration Unit
(Master thesis, 2023)Denne oppgaven presenterer en detaljert analyse av filterbytteoperasjonen for en trietylenglykolenhet, en prosess som er integrert i gassproduksjon, gjennom linsen til et seks-akset industrielt robot. Basert på tidligere ... -
The Effect of Cellulose Nanofibres on Dewatering during Wet-Forming and the Mechanical Properties of Thermoformed Specimens Made of Thermomechanical and Kraft Pulps
(Journal article; Peer reviewed, 2023)Due to environmental concerns regarding single-use plastic materials, major efforts are being made to develop new material concepts based on biodegradable and renewable resources, e.g., wood pulp. In this study, we assessed ... -
Modelling of Fireballs Generated after the Catastrophic Rupture of Hydrogen Tanks
(Peer reviewed; Journal article, 2023) -
Topology optimization on metamaterial cells for replacement possibility in non-pneumatic tire and the capability of 3D-printing
(Peer reviewed; Journal article, 2023)One of the applications of mechanical metamaterials is in car tires, as a non-pneumatic tire (NPT). Therefore, to find a suitable cell to replace the pneumatic part of the tire, three different solution methods were used, ... -
Experimental and numerical study on hydrogen-induced failure of X65 pipeline steel
(Peer reviewed; Journal article, 2024)Hydrogen-induced fracture of X65 pipeline steel under in-situ electrochemical charging is investigated by using in situ slow strain-rate tensile (SSRT) test, hydrogen diffusion test, fractography analysis, and finite element ... -
Input-Output Analysis and Cleaner Production
(Chapter, 2023)This chapter gives an overview of the basic principles for analysing material flows for production processes. This type of analysis is based on a calculation of materials going in and out of a process. Typical materials ... -
Charge weld evolution in hollow aluminum extrusion: Experiments and modeling
(Peer reviewed; Journal article, 2024)Charge welds occur in billet-to-billet extrusion processes due to the transition between successive billets. The material in this transition zone is typically characterized by substandard mechanical properties. In industrial ... -
Effect of Die Design on Charge Welds in Aluminium Extrusion
(Chapter, 2023)Aluminium extrusions are used in more and more applications in different industrial fields, due to their properties and productivity. However, in-process scrap produced in aluminium extrusions needs to be reduced to increase ...