Panevezys, Lithuania

Panevezys College

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Panevezys, Lithuania
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Cesnulevicius A.,Kaunas University of Technology | Sinkevicius V.,Kaunas University of Technology | Urbanaviciute L.,Kaunas University of Technology | Urbanaviciute L.,Panevezys College | And 3 more authors.
11th International Conference on Intelligent Technologies in Logistics and Mechatronics Systems, ITELMS 2016 | Year: 2016

This article is about the research of the robotic motion platform to be used for composing and experiencing kinetic journeys engaging the whole body. The motion platform must move the seats mounted on the platform in six degrees of freedom (6-DOF) that can be experienced by anybody free to move in space. These are three rotations Pitch, Roll and Yaw, and three linear movements Heave (up and down), Sway (side to side) and Surge (fore and aft). The jack layout used is generally that of the so-called Stewart platform. The analysis of parallel robot design and kinematics parameters will be presented in this paper in order to create the best option for such platform. The originality of this research is in floating tool centre point (TCP) of the platform. Calculating the kinematics parameters of the platform its location and orientation depends on the person sitting on the platform. © 2016 V. Adomavičius, J. Valickas, G. Petrauskas, L. Pušinaitis.


Sinkevicius S.,Panevezys College | Lipnickas A.,Kaunas University of Technology | Rimkus K.,Kaunas University of Technology
Elektronika ir Elektrotechnika | Year: 2017

The objective of this study is to create computer vision algorithms for autonomous multiclass identification of amber nuggets by their colour. By applying the proposed methods an automated production sorting system has been developed. This system can be used, for example in combination with conveyor systems, and in any other case that requires distinguishing objects of many classes in a high-rate flow of objects. In order to achieve this, the proposed system operates with colour features selection, algorithm for classifier training, grouping, and voting with reject option have been developed. The developed system has been used in an automated amber sorting line to increase the quantities of sorted amber nuggets. The applied algorithms gave 88.21% as the highest accuracy for the amber nugget expert database consisting of 30 classes.


Aviza D.,Vilnius Gediminas Technical University | Aviza D.,Kaunas University of Technology | Kaupiene J.,Panevezys College | Baltusnikiene R.,Kaunas University of Technology
Intelligent Technologies in Logistics and Mechatronics Systems, ITELMS 2015 - Proceedings of the 10th International Conference | Year: 2015

The paper presents one of ecological building methods using local stocks - straws. The straw bale building was first developed in America during the 1800's and is a technique that is rapidly gaining popularity today in the world and in Lithuania, too. There is given information about innovative, environmentally-friendly building ideas, which would not be only cheaper than other popular products used in the building, but healthier for people. It would share the good thermal behavior. The research object - Straw bale single family house. The comparison of energy inputs of a building with different types of the building shapes.


Lieponiene J.,Vilnius Gediminas Technical University | Lieponiene J.,Panevezys College | Kulvietiene R.,Vilnius Gediminas Technical University
Informatics in Education | Year: 2011

The article presents the consideration of grading scales used for education outcomes in different countries, describes likeness and differences of applied grading scales. Application of the European Credit Transfer and Accumulation System (ECTS) grading scale is investigated according of the analysis of scientific literature as well as cases of its mistaken application. The article provides a model for grades transfer from one scale into another, specifies the results of experimental testing of the introduced model, and analyzes cases of mistaken grades transfer. © 2011 Vilnius University.


Morkvenaite-Vilkonciene I.,Panevezys College | Virzonis D.,Kaunas University of Technology | Vanagas G.,Kaunas University of Technology | Krikscikas V.,UAB Minatech
Elektronika ir Elektrotechnika | Year: 2012

CMUT FEM 2D electrostatic model was created to investigate dielectric surface roughness influence to the operating point. Three different form structures: triangle, half-circle, rectangle were investigated. The highest electric field norm concentration on the triangle apex was found. For experiments, dielectric surface was etched by two etching steps to define the cavity: reactive ion etching and buffered oxide etching for smoothing the cavity bottom. Atomic force microscopy was used to monitor and control the roughness of the cavity bottom. The simulation showed the decrease of the effective gap by 0.6 % and 1.0 % in 10 and 20 nm RMS cases, respectively. Voltage-capacitance tests of the fabricated devices with known roughness values confirmed the assumptions about the roughness-induced operating point shifts. © Kauno technologijos universitetas, 2012.


Jukna T.,Kaunas University of Technology | Jukna T.,Panevezys Mechatronics Center | Kaliasas R.,Kaunas University of Technology | Kaliasas R.,Panevezys College | Jakucionis L.,Panevezys College
Intelligent Technologies in Logistics and Mechatronics Systems, ITELMS 2013 - Proceedings of the 8th International Conference | Year: 2013

The paper presents an investigation of the electropolishing behaviour of high-purity aluminium in ethanol-perchloric acids by using anodic polarization measurement, scanning electron microscope (SEM), and atomic force microscope (AFM). The results show that the polarization potential, the HClO4 concentration, and the temperature have important effects on the aluminium electropolishing behaviour.


Jukna T.,Kaunas University of Technology | Sinkevicius V.,Kaunas University of Technology | Urbanaviciute L.,Kaunas University of Technology | Urbanaviciute L.,Panevezys College | Valickas J.,Kaunas University of Technology
Elektronika ir Elektrotechnika | Year: 2016

The research of non-invasive method for condensate resistance measurement uses a substrate with a single-contact area. The novelty of this measurement method lies in the use of electrical current of electrons emitted during the process of electronic emission from an evaporator. Therefore, there is no need of any additional current or voltage source. This study develops a mathematical model describing the performance and dependencies of this method of measurement. The adequacy of this mathematical model was investigated experimentally. For this purpose, the results of direct measurement of substrate condensate resistance were used.


Jukna T.,Kaunas University of Technology | Sinkevicius V.,Kaunas University of Technology | Urbanaviciute L.,Kaunas University of Technology | Urbanaviciute L.,Panevezys College
Elektronika ir Elektrotechnika | Year: 2014

Electrical resistance of the vacuum-deposited condensate has non-linear relation to the condensate film thickness. Therefore, there exists a need for experiments to study applicability of the non-invasive method for condensate resistance measurement and to identify parameters by measuring condensate resistance directly. By using two-point measurement probes, this study analyses the influence of electrons emitted in the process of evaporator electronic emission on the method for direct measurement of condensate resistance.


Sinkevicius S.,Panevezys College | Sinkevicius V.,Kaunas University of Technology
7th International Conference on Electrical and Control Technologies, ECT 2012 | Year: 2012

Sometimes the human is too slow for repeatable actions and altering unpleasant work places by robots can increase performance significantly. In those cases almost always accurate computer vision is required. Our task was to recognize which side of the connector is visible while the connector lies down on the conveyer. Hierarchical temporal memory (HTM) was used to obtain results. Visible and near infrared light spectrums were investigated and compared. Both spectrums show similar accuracy results but they have some differences that should be considered.


Kaliasas R.,Kaunas University of Technology | Krikscikas V.,Kaunas University of Technology | Morkvenaite-Vilkonciene I.,Panevezys College
Intelligent Technologies in Logistics and Mechatronics Systems, ITELMS 2011 - Proceedings of the 6th International Conference | Year: 2011

The paper presents an investigation of formation optical structures with electron beam on dielectric background. Problem with dielectric background was resolved to covering polymer (PMMA) with silver layer.

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