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Methods for lifecycle support of hydraulically actuated mobile working machines using IoT and digital twin concepts
(Lappeenranta-Lahti University of Technology LUT, 2019-10-25)
The Internet of Things and Digital Twins are popular but quite distant concepts nowadays. Many problems arise along the efforts of combining these concepts. This research work focuses on these problems and considers the ...
On weldability of thick section austenitic stainless steel using laser processes
(Lappeenranta-Lahti University of Technology LUT, 2019-10-25)
Laser welding and its different process variations using filler metal addition have increasingly become the preferred joining technology of the metal structure fabrication industry.
The essential characteristics of laser ...
Mechanical Design Guidelines of an Electric Vehicle Powertrain
(Lappeenranta-Lahti University of Technology LUT, 2019-02-01)
The tendency of alternating fossil energy sources with state-of-the-art renewable energy resources is spreading in most contemporary fuel consuming applications, and transportation, as one of the essential human needs, is ...
High Power Fiber Laser Welding of Thick Section Materials – Process Performance and Weld Properties
(Lappeenranta-Lahti University of Technology LUT, 2019-11-27)
High power fiber laser systems have reached output powers far beyond 30 kW and a fiber laser source of 100 kW output power has recently become available for fundamental research. With the high laser power that is now ...
Investigation of EEG signal processing for rehabilitation robot control
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
A significant number of stroke patients suffer from movement disability and the numbers are increasing annually. The Brain Computer Interface (BCI) science enables solutions for the paralyzed patients based on the location ...
Renewable-energy-based Single and Community Microgrids Integrated with Electricity Markets
(Lappeenranta-Lahti University of Technology LUT, 2019-11-22)
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 ...
Novel Methods for Assessing and Improving Usability of a Remote-operated Off-Road Vehicle Interface
(Lappeenranta-Lahti University of Technology LUT, 2019-12-09)
Autonomous control systems have been under intensive development in the off-road vehicle (ORV) industry because of high demand for increasing productivity in recent decades. In those systems, the progress has happened in ...
On the dynamic simulation of coupled multibody and hydraulic systems for real-time applications
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
The computer simulation of mechanical systems enables engineers to perform fast prototyping and in-depth system analysis even before a single physical model has been built. However, since mechanical systems are often ...
The efficiency and damage control of a recovery boiler
(Lappeenranta-Lahti University of Technology LUT, 2019-12-16)
Recovery boilers are needed to produce sustainable energy from sideline by-products of the biomass processing industry. Customers need boilers which have a reliable, long operation time without unnecessary shutdowns and ...