Viimeksi syötetyt Väitöskirjat
Aineistot 1-20 / 1208
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Compact, energy-efficient electro-hydraulic architectures for multi-actuator control of mobile cranes
Acta Universitatis Lappeenrantaensis : 1300 (Lappeenranta-Lahti University of Technology LUT, 29.06.2026)In mobile machinery, conventional valve-controlled hydraulic systems are characterized by substantial throttling losses, limited energy recuperation, and high power demand. Direct-driven electro-hydraulic actuators represent ... -
3D-printed adsorbents from recycled polymer for urban mining and wastewater treatment
Acta Universitatis Lappeenrantaensis : 1297 (Lappeenranta-Lahti University of Technology LUT, 15.06.2026)Tailings and industrial wastewater contain both valuable and harmful metals, representing a combined environmental challenge and resource opportunity. Adsorption is widely applied for metal recovery and contaminant removal. ... -
Computational dynamics in industry and healthcare : from heavy machinery to human locomotion analysis
Acta Universitatis Lappeenrantaensis : 1296 (Lappeenranta-Lahti University of Technology LUT, 12.06.2026)Computational dynamics provides a mathematical approach to simulating complex physical systems, valuable in both engineering and healthcare. This dissertation applies this discipline to two areas: improving heavy machinery ... -
Towards responsible design of AI-augmented systems : applications for evidence-informed decision making
Acta Universitatis Lappeenrantaensis : 1295 (Lappeenranta-Lahti University of Technology LUT, 15.06.2026)This dissertation examines the responsible design of artificial intelligence (AI)-augmented systems for evidence-informed decision making in organizational and policy contexts. As AI, and in particular, generative AI and ... -
The impact of individual actions, motivations and knowledge on reducing consumption-based greenhouse gas emissions
Acta Universitatis Lappeenrantaensis : 1294 (Lappeenranta-Lahti University of Technology LUT, 05.06.2026)Limiting global warming to 1.5 ℃ requires rapid, systemic and sustainable changes across all sectors within this decade. Current climate policies primarily emphasize the role of technological innovations and decarbonization ... -
Implementation of exoskeletons in care work : a study of acceptance, domestication, impacts and orientation needs
Acta Universitatis Lappeenrantaensis : 1291 (Lappeenranta-Lahti University of Technology LUT, 03.06.2026)Health and care services face increasing pressure from workforce shortages and physically demanding tasks in ageing societies. Health and welfare technology (HWT) has the potential to assist care workers in various ways, ... -
Bridging demand-side growth dynamics and supply-side design for rural mini-grids in Sub-Saharan Africa
Acta Universitatis Lappeenrantaensis : 1293 (Lappeenranta-Lahti University of Technology LUT, 29.05.2026)Affordable and reliable electricity is a fundamental driver of socioeconomic development, yet over 700 million people, primarily in sub-Saharan Africa, remain without electricity access. As global electrification efforts ... -
Rethinking how we do things : how fostering socio-ecological perspectives reshapes innovation management
Acta Universitatis Lappeenrantaensis : 1292 (Lappeenranta-Lahti University of Technology LUT, 29.05.2026)Socio-ecological perspectives have a long history across multiple disciplines and fields, grounded in systems-based approaches that offer a holistic view of the deeply interconnected dynamics of social and natural elements. ... -
Performance management through sustainability management in the Finnish construction industry
Acta Universitatis Lappeenrantaensis : 1290 (Lappeenranta-Lahti University of Technology LUT, 29.05.2026)The construction industry plays a significant role in both the global and European economies, as well as in human well-being. However, its adverse impacts on the environment, nature, and sustainability necessitate actions ... -
Climate change performance of hydrogen production and utilization in power-to-X technologies
Acta Universitatis Lappeenrantaensis : 1285 (Lappeenranta-Lahti University of Technology LUT, 27.05.2026)With global mean temperatures expected to rise more than 2 °C above pre-industrial levels, the world is will face multiple climate change impacts. This has driven industries and companies to transition toward low-carbon ... -
Finite element simulation-based fatigue assessment of welded high-strength steel joints
Acta Universitatis Lappeenrantaensis : 1287 (Lappeenranta-Lahti University of Technology LUT, 02.06.2026)The fatigue performance of welded high-strength steels (HSSs) does not improve to the same extent as in quasi-static strength. To reduce this gap, HSSs require more detailed fatigue design methods, for which finite element ... -
The recovery and recycling of a deep eutectic solvent after biomass fractionation with cellulosic membranes
Acta Universitatis Lappeenrantaensis : 1282 (Lappeenranta-Lahti University of Technology LUT, 28.05.2026)Lignocellulosic biomass is a renewable alternative to fossil resources, providing cellulose, hemicellulose, and lignin as a source for fuels, chemicals, and materials. However, its complex interlinked structure complicates ... -
From expectations to reality : organizational adoption of AI and other emerging technologies
Acta Universitatis Lappeenrantaensis : 1289 (Lappeenranta-Lahti University of Technology LUT, 28.05.2026)Rapid technological evolution continues to accelerate the pace of change and completely restructure organizations by improving the effectiveness of their business processes. As the business environment becomes more complex ... -
Transforming primary sludge originating from pulp and paper industry into sustainable composites : technical feasibility and climate benefits
Acta Universitatis Lappeenrantaensis : 1283 (Lappeenranta-Lahti University of Technology LUT, 15.05.2026)This dissertation investigates the valorization of primary sludge from the pulp and paper industry as a filler material in high-density polyethylene (HDPE) composites. The research addresses the need for sustainable ... -
A systematic approach to using artificial intelligence as surrogate and generative models in energy systems : applications in carbon capture and electricity markets
Acta Universitatis Lappeenrantaensis : 1288 (Lappeenranta-Lahti University of Technology LUT, 26.05.2026)Artificial intelligence (AI) is revolutionizing numerous fields, yet its application in energy systems has been slow. This dissertation introduces and validates a systematic approach to leveraging AI, focusing on the ... -
Mathematical models and optimization methods in biomedical applications
Acta Universitatis Lappeenrantaensis : 1286 (Lappeenranta-Lahti University of Technology LUT, 22.05.2026)This thesis introduces computational design approaches for denture reinforcement and personalized drug delivery. The work focuses on three objectives: (1) strengthening dentures by using reinforcement material in critical ... -
Planning and optimization of smart local energy systems for cost-effective decarbonization
Acta Universitatis Lappeenrantaensis : 1284 (Lappeenranta-Lahti University of Technology LUT, 19.05.2026)The energy transition in cold-climate regions calls for integrated and localized solutions that balance cost, emissions, self-sufficiency, and robustness. Current planning approaches for smart local energy systems (SLESs) ... -
The effect of various learning environments on the development of adolescents’ entrepreneurial potential
Acta Universitatis Lappeenrantaensis : 1280 (Lappeenranta-Lahti University of Technology LUT, 08.05.2026)This dissertation explores how different kinds of learning environments (school, family, and hobbies) affect the development of adolescents’ entrepreneurial potential. Entrepreneurial potential is defined as a combination ... -
Performance management with novel technologies : integrating sustainability performance in digital transformation
Acta Universitatis Lappeenrantaensis : 1281 (Lappeenranta-Lahti University of Technology LUT, 28.04.2026)Performance management (PM) has evolved from a static evaluation mechanism into a strategic capability for adaptability, innovation and value creation in organisations. In today’s digitally accelerated and sustainability-conscious ... -
Money and time in sustainable consumption : a well-being perspective
Acta Universitatis Lappeenrantaensis : 1279 (Lappeenranta-Lahti University of Technology LUT, 21.04.2026)Humanity faces intertwined ecological and social crises that demand deep systemic transformation. Despite global awareness and political efforts such as the Paris Agreement, dominant responses to these crises remain locked ...
