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Laadun kehittäminen suomalaisissa yrityksissä
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (09.11.2001)Laadun ja sen kehittämisen sisältö on ollut jatkuvassa muutostilassa. Laatuajattelu on laajentunut käsittämään yhä suuremman osan organisaatioiden toiminnasta. Laadun kehittämisessä on jatkuvasti otettu käyttöön uusi ... -
Large-eddy simulation of wind flows over complex terrains for wind energy applications
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 05.12.2014)Wind energy has obtained outstanding expectations due to risks of global warming and nuclear energy production plant accidents. Nowadays, wind farms are often constructed in areas of complex terrain. A potential wind farm ... -
Laser and hybrid welding of high-strength structural steels
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 02.06.2023)Laser and laser-arc hybrid welding processes are recognized as key joining methods in many industrial fields such as light and heavy machinery, ship-building and the automotive industry. In the early days of laser welding, ... -
Laser cladding with scanning optics
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 21.08.2014)Scanning optics create different types of phenomena and limitation to cladding process compared to cladding with static optics. This work concentrates on identifying and explaining the special features of laser cladding ... -
Laser powder bed fusion for the manufacture of Ni-Mn-Ga magnetic shape memory alloy actuators
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 03.12.2021)The ability of the magnetic shape memory (MSM) alloy Ni-Mn-Ga to exhibit large magnetic-field-induced strain (MFIS) of 6-12% makes it a promising actuation material for small devices in which traditional mechanisms and ... -
Laser powder bed fusion of steels : case studies on microstructures, mechanical properties, and notch-load interactions
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 10.11.2022)Additive manufacturing has evolved over the last few decades from utilising a prototyping approach to favouring a fabrication method. Consequently, this technology has become recognised as a potential replacement for ... -
LCL Filter Designs for Parallel-Connected Grid Inverters
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.12.2018)Power generation has become more dispersed as a result of the increasing popularity of the renewable energy sources, which interface with the utility grid with power electronic converters. Higher power levels can be achieved ... -
Leak-proof Heat Sealing of Press-Formed Paperboard Trays
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 27.05.2016)Three-dimensional (3D) forming of paperboard and heat sealing of lidding films to trays manufactured by the press forming process are investigated in this thesis. The aim of the work was to investigate and recognize the ... -
Learning and entrepreneurial opportunity development within a Finnish telecommunication International New Venture
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 05.12.2019)This dissertation investigates the development of entrepreneurial opportunity in a Finnish International New Venture (INV) operating in the telecommunication sector by applying a learning-based approach. Despite decades ... -
Learning information technology business in a changing industry landscape. Introducing Team Entrepreneurship in Renewing Bachelor Education in Renewing Bachelor Education in Information
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2014)Speed, uncertainty and complexity are increasing in the business world all the time. When knowledge and skills become quickly irrelevant, new challenges are set for information technology (IT) education. Meta-learning ... -
Leveraging digitalization opportunities to improve the business model
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 26.11.2020)The opportunities of digitalization and the digital revolution are opening up completely new ways of doing business, producing and distributing services, and creating a significant threat to incumbent businesses that remain ... -
Licensing Model Development for Small Modular Reactors (SMRs) - Focusing on the Finnish Regulatory Framework
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 27.09.2013)Recently, Small Modular Reactors (SMRs) have attracted increased public discussion. While large nuclear power plant new build projects are facing challenges, the focus of attention is turning to small modular reactors. ... -
Life cycle cost-driven design for additive manufacturing : the frontier to sustainable manufacturing in laser-based powder bed fusion
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 27.09.2021)Additive manufacturing (AM) is a manufacturing method that creates components in a layer-wise manner. Laser-based powder bed fusion (L-PBF) is one of the most used AM subcategories to manufacture metal components, referred ... -
Lightweight, liquid-cooled, direct-drive generator for highpower wind turbines: motivation, concept, and performance
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.03.2015)Thesis: A liquid-cooled, direct-drive, permanent-magnet, synchronous generator with helical, double-layer, non-overlapping windings formed from a copper conductor with a coaxial internal coolant conduit offers an excellent ... -
Ligno-cellulose fibre poly(lactic acid) interfaces in biocomposites
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 23.11.2018)Thermoplastic composite materials based on renewable raw materials are promoted globally in various ways. They can be prepared as durable, but biodegradable materials as poly(lactic acid) (PLA) ligno-cellulose composites ... -
Liiketoimintastrategisten vaatimusten syntyminen ja niiden toteutumisen arviointi keskisuurten yritysten toiminnanohjausjärjestelmähankkeissa. Tapaustutkimus kolmesta teollisuusyrityksestä ja aineistolähtöinen teoria
Acta Universitatis Lappeenrantaensis (Lappeenrannan teknillinen yliopisto, 28.11.2008)Tietojärjestelmien strateginen kehittäminen on ollut niin liike-elämän kiinnostuksen kuin akateemisen tutkimuksenkin kohteena jo pitkään. Aihe on edelleen ajankohtainen, eikä ajankohtaisuus osoita laantumisen merkkejä. ... -
Linguistic models for decision support
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2014)Linguistic modelling is a rather new branch of mathematics that is still undergoing rapid development. It is closely related to fuzzy set theory and fuzzy logic, but knowledge and experience from other fields of mathematics, ... -
Liquid cooling solutions for rotating permanent magnet synchronous machines
Acta Universitatis Lappeenrantaensis (21.11.2014)In the design of electrical machines, efficiency improvements have become very important. However, there are at least two significant cases in which the compactness of electrical machines is critical and the tolerance ... -
Lobbying as a Part of Business Management
Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (2000)Lobbying by companies and the management techniques of lobbying have been fairly unknown territory. This study explains different theories related to lobbying including major political, economic and mathematical theories ... -
Local and Global Feature Extraction for Invariant Object Recognition
Acta Universitatis Lappeenrantaensis ISSN 1456-4491URN:ISSN:1456-4491 (05.12.2002)Perceiving the world visually is a basic act for humans, but for computers it is still an unsolved problem. The variability present innatural environments is an obstacle for effective computer vision. The goal of invariant ...