Institutt for maskinteknikk og produksjon
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Influence of innovation, complexity and newness on success in new product development projects: a survey in Norwegian manufacturing industry
(Peer reviewed; Journal article, 2020)There is little tolerance for deviation in time, budget and quality in the execution of product development projects. On the other hand, the project environment is gaining complexity. Changes on project scope are daily ... -
Autonomous Mobile Robots in Hospital Logistics
(Chapter, 2020)The recent advances in technology have increased flexibility in indoor mobility and human-robot collaboration, opening up new opportunities to perform material handling tasks, especially in narrow, dynamic environments, ... -
The effect of hot air exposure on the mechanical properties and carbon dioxide permeability of hydrogenated nitrile butadiene rubber (HNBR) with varying carbon black content
(Peer reviewed; Journal article, 2020)The effect of hot air exposure at 150 �C for up to 12 weeks (ca. 2000 h) on the properties of hydrogenated nitrile butadiene rubber (HNBR) compounds with varying degrees of carbon black content was investigated and re-ported ... -
Status of engineering change management in the engineer-to-order production environment: insights from a multiple case study
(Peer reviewed; Journal article, 2020)Engineering Changes (ECs) are a fact of life for companies in the Engineer-To-Order (ETO) production environment. Various Engineering Change Management (ECM) strategies, practices and tools exist, but no explicit distinction ... -
Sample Strategies, Data Processing and Algorithms for Coordinate Measurements
(Doctoral theses at NTNU;2020:259, Doctoral thesis, 2020)The PhD thesis proposes new approaches and algorithms related to the field of Geometrical Dimensioning and Tolerancing (GD&T) inspection based on ISO standards on Geometrical Product Specifications (GPS). The main purpose ... -
Stress Corrosion Cracking in an Extruded Cu-Free Al-Zn-Mg Alloy
(Peer reviewed; Journal article, 2020)Stress corrosion cracking (SCC) in Cu-free Al-Zn-Mg (7xxx) aluminium alloys limits its use in many applications. In this work, we study in detail the microstructure of a peak and slightly overaged condition in an AA7003 ... -
EKF and UKF for estimating the liquid level inside gas-liquid cylindrical cyclone
(Chapter, 2019)The oil and gas industry is focussing more on subsea separation and processing and the need for compact equipment such as gas-liquid cylindrical cyclones (GLCC) is increasing. As compactness of the equipment increases, ... -
Introduction to Material Feeding 4.0: Strategic, Tactical, and Operational Impact
(Chapter, 2020)Mass customization, the process of producing a low-volume high-variety of products, is changing production environments. In Material Feeding (MF) this means a huge increment in the number of parts, and information, that ... -
Factors Affecting Shipyard Operations and Logistics: A Framework and Comparison of Shipbuilding Approaches
(Chapter, 2020)Shipyards around the world have several differences that affect the logistics processes at each yard. The purpose of this paper is to develop a framework for mapping the key factors affecting shipyard logistics. We test ... -
Tools for Evaluating Human Factor Aspects in Production and Logistics System
(Chapter, 2020)Even though the advancement of technology has a great influence on the production and logistics system (PLS), companies are more dependent on manual human work because of their cognitive ability and flexibility. Inversely, ... -
Kinematics and Dynamics of Flexible Robotic Manipulators Using Dual Screws
(Peer reviewed; Journal article, 2020)In this article, we present a new procedure for the derivation of the linearized kinematics and dynamics of a flexible industrial robotic manipulator. We introduce the Lie groups of dual rotation and dual homogeneous ... -
Preservation of Distemper Painting: Indoor Monitoring Tools for Risk Assessment and Decision Making in Kvernes Stave Church
(Peer reviewed; Journal article, 2020)The National Aeronautics and Space Administration’s (NASA) Precipitation Measurement Missions (PMMs) include two earth satellite missions, namely, the Tropical Rainfall Measuring Mission (TRMM, 1997–2015) and the Global ... -
Status of engineering change management in the engineer-to-order production environment: insights from a multiple case study
(Peer reviewed; Journal article, 2020)Engineering Changes (ECs) are a fact of life for companies in the Engineer-To-Order (ETO) production environment. Various Engineering Change Management (ECM) strategies, practices and tools exist, but no explicit distinction ... -
Ductile tearing of cryogenic valve components
(Peer reviewed; Journal article, 2020)The paper reports the result of an experimental investigation on the torsional failure mechanics of the rotating components of a cryogenic valve. The rotating assembly is composed of an AISI 316L shaft connected by two ... -
Human reliability analysis: Exploring the intellectual structure of a research field
(Peer reviewed; Journal article, 2020)Humans play a crucial role in modern socio-technical systems. Rooted in reliability engineering, the discipline of Human Reliability Analysis (HRA) has been broadly applied in a variety of domains in order to understand, ... -
Qualification of the hybrid metal extrusion & bonding (HYB) process for welding of aluminium offshore structures
(Journal article, 2020)In the present investigation the aptness of the HYB process for butt welding of 4mm AA6082-T6 profiles is evaluated and benchmarked against one gas metal arc (GMA) weld and one friction stir (FS) weld, representing best ... -
High-performance stationary solar tracking through multi-objective optimization of beam-steering lens arrays
(Peer reviewed; Journal article, 2020)Beam-steering lens arrays enable solar tracking using millimeter-scale relative translation between a set of lens arrays. This may represent a promising alternative to the mechanical bulk of conventional solar trackers, ... -
An overview and evaluation of alternative forming processes for complex aluminium products
(Peer reviewed; Journal article, 2020)Many industries are facing new forces that cause upheaval in the way products are designed, engineered, produced and used. Consumer preferences in terms of personalization and customization, sustainability criteria and the ... -
The effect of hydrogen on the crack initiation site of TRIP-assisted steels during in-situ hydrogen plasma micro-tensile testing: Leading to an improved ductility?
(Peer reviewed; Journal article, 2020)The hydrogen induced damage and crack initiation in transformation induced plasticity (TRIP) steel is considered in the present work by micro tensile testing and subsequent microstructural assessment. Hydrogen characteristics ... -
Fatigue properties of AA6060-T6 butt welds made by hybrid metal extrusion & bonding
(Peer reviewed; Journal article, 2020)The present investigation is concerned with high‐cycle axial fatigue testing of a 2‐mm AA6060‐T6 hybrid metal extrusion & bonding (HYB) butt weld produced in the solid state using AA6082 filler metal addition. The results ...
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