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Tallinn, Estonia

Kovacs J.,MTA SZTAKI | Kacsuk P.,MTA SZTAKI | Lomaka A.,TUT
Future Generation Computer Systems | Year: 2011

Drug design is a challenging and computationally intensive task. Chemists are often faced with handling huge amounts of data as well as with working with huge amounts of computational resources. This paper shows that using the BOINC system as a private, dedicated desktop grid a community, like the EU CancerGrid chemist community, can easily set up its own high-end infrastructure based on available and inexpensive desktop computers. The CancerGrid Computing System described in the paper can easily be adapted for the needs of other user communities having similar infrastructure requirements. © 2011 Elsevier B.V. All rights reserved. Source


Pabut O.,TUT
Proceedings of the International Conference of DAAAM Baltic "Industrial Engineering" | Year: 2012

The goal of this study was to develop and validate a simplified finite element analysis (FEA) model for a glass fibre reinforced plastic (GFRP) wind turbine blade. A 3D virtual model of the blade was built up in ANSYS Workbench software with corresponding load cases and boundary conditions. Data for the FEA was obtained from tensile tests of GFRP laminates. Experimental validation of the virtual model was performed on manufactured blade subject via bending tests and modal analysis. Source


Manni U.,TUT | Manni U.,Competence Center
BEC 2010 - 2010 12th Biennial Baltic Electronics Conference, Proceedings of the 12th Biennial Baltic Electronics Conference | Year: 2010

Creating of modern Parking Management and Payment Service are the most valuable to users and environment if driver can book parking spaces online in advance. That feature can shorten time to find empty parking locations in cities environment, economy fuel and avoid unnecessary pollution while driving to find places spontaneously. Offering reservation service even for 10-20 minutes makes possible to occupy exact space without unnecessary stress and significant extra fees for parking. To utilize that feature, parking space and vehicle's location detection must be performed in most economic way, to achieve mass service penetration. Smart sensing, measurement and communication method is described as core technology for such service. ©2010 IEEE. Source


Shrestha S.,TUT | Talvitie J.,Tampere University of Technology | Lohan E.S.,Tampere University of Technology
2013 13th International Conference on ITS Telecommunications, ITST 2013 | Year: 2013

Location Based Services require seamless tracking of human or object outdoor/indoor anywhere, everywhere. Based on its location and availability, it should make use of the underlying wireless system it has access to or it could process. In terms of vehicular system also, it requires seamless tracking also in the indoor parking or places where it lacks clear LOS and has to depend upon the widely accessed Wireless Local Area Network based localization. This paper focuses on Received Signal Strength measurements dynamics in WLAN indoor localization. Real-field measurement data taken 3 year apart in the same university building (situated in Tampere, Finland) are used for this analysis. The building AP network has undergone a substantial structural change in between the two sets of measurements, in such a way that most WLAN emitters were replaced and renewed. We study here the variability and dynamics of the indoor channel and accuracy of the positioning results when emitter configuration is changed, but the indoor scenario remains the same (same building structure, same rooms and furniture). © 2013 IEEE. Source


Kukk V.,TUT | Umbleja K.,TUT
Proceedings of the Biennial Baltic Electronics Conference, BEC | Year: 2012

Analysis of forgetting in competence-driven learning environment is presented. The main goal of this is to evaluate decreasing of abilities in time and estimation of assigning difficulty levels to tasks. The analysis in the paper is based on about 0.5 million records and conclusions are given which may help to improve both forgetting models, further creation of relevant tasks, and assigning difficulty levels to tasks. The records have been collected from real learning process as outcomes from task solutions during two years and several different courses and their modifications.. © 2012 IEEE. Source

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