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Real-Time Efficient Computational Approaches for Hydraulic Components and Particulate Energy Systems
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 11.12.2020)The so-called fourth industrial revolution requires high-speed data transmission and application of real-time computation to the phenomena. These two technologies highlight the potential of the digital-twin concept for ... -
Real-time Image-based RGB-D Camera Motion Tracking and Environment Mapping
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 22.11.2013)In this work, image based estimation methods, also known as direct methods, are studied which avoid feature extraction and matching completely. Cost functions use raw pixels as measurements and the goal is to produce ... -
Real-time monitoring of membrane fouling caused by phenolic compounds
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 09.10.2020)Following the booming blooming of the bio-economy, membrane-based processes have gained increasing interest as a selective, energy efficient, and environmentally friendly option for the separation and purification of organic ... -
Real-Time Simulation of Mobile and Industrial Machines Using the Multibody Simulation Approach
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 18.09.2009)This thesis introduces a real-time simulation environment based on the multibody simulation approach. The environment consists of components that are used in conventional product development, including computer aided ... -
Real-time simulation of multibody systems with applications for working mobile vehicles
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 01.04.2016)This dissertation describes an approach for developing a real-time simulation for working mobile vehicles based on multibody modeling. The use of multibody modeling allows comprehensive description of the constrained ... -
Recognizing required changes to higher education engineering programs’ information literacy education as a consequence of research problems becoming more complex
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 2018)Challenges in the Earth’s sustainable development set requirements to modern engineering education. Engineers face complex problems, which need to be solved to keep the planet viable for future generations. This study was ... -
Reconstruction and analysis of surface variation using photometric stereo
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2008)In many industrial applications, accurate and fast surface reconstruction is essential for quality control. Variation in surface finishing parameters, such as surface roughness, can reflect defects in a manufacturing ... -
Recovery and refining of manganese as by-product from hydrometallurgical processes
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 28.10.2011)The consumption of manganese is increasing, but huge amounts of manganese still end up in waste in hydrometallurgical processes. The recovery of manganese from multi-metal solutions at low concentrations may not be economical. ... -
Recovery of biomass-derived valuable compounds using chromatographic and membrane separations
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.12.2013)Utilization of biomass-based raw materials for the production of chemicals and materials is gaining an increasing interest. Due to the complex nature of biomass, a major challenge in its refining is the development of ... -
Reducing software ecosystem failure : planning activities, conceptualizing digital services, and understanding failure factors
Acta Universitatis Lappeenrantaensis : 1233 (Lappeenranta-Lahti University of Technology LUT, 07.11.2025)Companies are increasingly interested in building business ecosystems, as they have realized that this type of collaboration can generate more value than they could achieve on their own. A software ecosystem can be seen ... -
Reduction of non-circulating bearing currents by electrical machine design
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 22.09.2023)Electrical machines and drive systems play a crucial role in industrial processes and everyday life. Electrical drive systems that are capable of operating in the variable speed mode allow applying electric motors for the ... -
Reflexive model of research-based theatre – processing innovation at the crossroads of theatre, reflection and practice-based innovation activities
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 01.12.2012)Contemporary organisations have to embrace the notion of doing ‘more with less’. This challenges knowledge production within companies and public organisations, forcing them to reorganise their structures and rethink ... -
Reframing the relationship between service design and operations: a service engineering approach
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 21.02.2014)The significance of services as business and human activities has increased dramatically throughout the world in the last three decades. Becoming a more and more competitive and efficient service provider while still ... -
Regenerated cellulose ultrafiltration membranes in the treatment of pulp and paper mill process waters
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 13.06.2008)Ultrafiltration (UF) is widely applied in different separation processes in the pulp and paper industry. The growing need to protect the environment, a lack of pure water and an interest in producing high-value chemicals ... -
Reliability Based Design, Analysis and Control of the Remote Handling Maintenance System for Fusion Reactor
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.01.2018)The in-vessel components of fusion reactor, such as the divertor and blanket that face the hot plasma during plasma operation, need regular maintenance due to the damage caused by the heavy heat load, the thermal stress ... -
Removal of xylan from birch kraft pulps and the effect of its removal on fiber properties, colloidal interactions and retention in papermaking
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.11.2017)The aim of this study was to investigate the effects of xylan removal on characteristics of bleached birch kraft pulps and on the behavior of such modified pulps in a papermaking process, particularly from the chemical ... -
Renewable electricity-based fuels and chemicals: demand, trading, and transportation
Acta Universitatis Lappeenrantaensis : 1241 (Lappeenranta-Lahti University of Technology LUT, 21.11.2025)Achieving global climate targets and limiting global warming to below 1.5°C requires a major transition of the fossil fuel-based energy system. Renewable energy offers a viable alternative with significantly lower greenhouse ... -
Renewable-energy-based Single and Community Microgrids Integrated with Electricity Markets
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 22.11.2019)The deployment of renewable-energy-based microgrids in the electrical power system is a wellknown pathway to realize sustainable energy goals. Further, community microgrids incentivize residential houses to exchange renewable ... -
Research advancements and future needs of microplastic analytics: microplastics in the shore sediment of the freshwater sources of the Indian Himalaya
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.11.2022)Microplastics (MPs) are commonly considered pieces of plastic particles that are between 1 μm and 5 mm in size. It is an emerging contaminant and highly pervasive in different environmental compartment. Likewise, MPs have ... -
Research on key technologies for lightweight maintenance operations of the remote handling system for a fusion reactor
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 17.11.2023)During the operation of the China Fusion Experimental Reactor (CFETR), the internal components of the fusion reactor must withstand various extreme environment conditions and are susceptible to damage, necessitating regular ...
