Now showing items 1-20 of 68

    • A DMD-based method for fabricating small pitch grating scales of optical linear encoders 

      Lu, Xinji; Kilikevičius, Artūras; XU, Wenbin; XU, Jia (Mechanika 2023: proceedings of the 27th international scientific conference, 26 May 2023, Kaunas University of Technology, Lithuania, 2023)
      The width of the pitch period on grating scales is fundamental and critical to the accuracy of optical linear encoders. This paper presents a novel digital lithography-based method for fabricating small-pitch grating scales. ...
    • A study of railway development in small states 

      Vaičiūnas, Gediminas (Transport means 2023. Sustainability: research and solutions : proceedings of the 27th international scientific conference, October 4-6, 2023, hybrid conference, Palanga, Lithuania, 2023)
      In the article, the author proposes a methodology that can be used to evaluate the development of the railway system in the country. The author illustrates this methodology by comparing the development of railways both in ...
    • Active technical means of increasing safety in railway level crossings 

      Bureika, Gintautas; Nozhenko, Volodymyr; Prosvirova, Olha (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 1, 2018)
      The article describes the structure of causality of traffic accidents at Lithuanian railways level crossings. Identification of reasons and anticipation of traffic accidents considering the safety risk factors is performed. ...
    • Adaptation and experimental analysis of the Universal Asynchronous Receiver-Transmitter based communication in Autonomous Ground Vehicle 

      Skačkauskas, Paulius; Mejeras, Vilius; Žuraulis, Vidas; Nagurnas, Saulius (Transport means 2018: proceedings of the 22nd international scientific conference, October 03–05, 2018 Trakai, Lithuania. Part 1, 2018)
      Autonomous ground vehicles (AGVs) are a complex and interdisciplinary research object which combines such areas as vehicle dynamics, automatic control theory, policy framework, etc. Correspondingly, various AGVs control ...
    • Analysis of intermodal transportation development 

      Mikalauskaitė, Asta; Jarašūnienė, Aldona (Transport means 2017 : proceedings of the 21st international scientific conference, September 20-22, 2017, Juodkrante, Lithuania. Part 3, 2017)
      The transport policy of the European Union and Lithuania is favorable to the development of intermodal transportation and encourages the competitiveness of the services provided. The article presents the intermodal ...
    • Analysis of rejuvenation process for effective hot-in-place recycling of asphalt pavement 

      Kleizienė, Rita; Panasenkienė, Miglė; Vaitkus, Audrius (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 1, 2018)
      The growing cargo transportation and mobility challenge increasing deterioration and repair demand of public roads infrastructure. Consequently, the road maintenance expenses remain an actual problem in state for which are ...
    • Analysis of tendencies of freight wagon axle-box temperature mode formation 

      Bureika, Gintautas (Transport means 2017 : proceedings of the 21st international scientific conference, September 20-22, 2017, Juodkrante, Lithuania. Part 2., 2017)
      The determinant factors of freight wagon axle-box temperature modes during rolling-stock exploitation are analysed. These factors are axle-box mileage, axle-box operating time, defects of the rolling surface of wheel and ...
    • Application of the clustering challenge to new railway lines 

      Vaičiūnas, Gediminas (Transport means 2021. Sustainability: research and solutions : proceedings of the 25th international scientific conference : October 6-8, 2021, online conference, Kaunas, Lithuania, 2021)
      The paper examines the possibility of adapting the clustering problem solving methodology by identifying the locations where the centers of newly constructed (or additionally connected) international railway lines could ...
    • Assessment of noise levels caused by passenger wagons: a case of Paneriai railway station 

      Sladkevičienė, Laimutė; Valma, Egidijus; Čižiūnienė, Kristina (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 1, 2018)
      Theoretical and experimental studies have been carried out, which confirmed the fact that the contact temperature is the most important factor affecting the entire complex of service properties of the contacting materials. ...
    • Assessment of railway development in Baltic sea region 

      Vaičiūnas, Gediminas (Transport means 2020. Sustainability: research and solutions : proceedings of the 24th international scientific conference, September 30 - October 02, 2020, online conference - Kaunas, Lithuania, 2020)
      The author of the article presents a methodology for estimating the development of railways in a country relative to other countries based on the ratio of rail length in the country to GDP, the area of the country and the ...
    • Bending plates at shakedown: analysing the residual displacements by the scanning method 

      Gervytė, Agnė; Rimkus, Liudvikas; Atkočiūnas, Juozas (Mechanika 2019: proceedings of the 24th international scientific conference, 17 May 2019, Kaunas University of Technology, Lithuania, 2019)
      Structural elements (frames, plates, shells) during exploitation are acted by variable repeated load (VRL). Theory of the shakedown is investigating steel structures in the elastic-plastic state. Structure adapted to ...
    • Business risk management at transport companies: Lithuanian study case 

      Jarašūnienė, Aldona; Batarlienė, Nijolė; Čižiūnienė, Kristina (Transport means 2018: proceedings of the 22nd international scientific conference, October 03–05, 2018 Trakai, Lithuania. Part 1, 2018)
      The article deals with the concept of risk of operation of transport enterprises, presents the types of risks, and analyzes business risk management. From the scientific point of view, the risk issues have not been ...
    • Comparison of CO2 emission of urban public transport per passenger between Dresden and Bremen 

      Van Kleef, Gerard Frederick; Čižiūnienė, Kristina (Transport means 2018: proceedings of the 22nd international scientific conference, October 03–05, 2018 Trakai, Lithuania. Part 2, 2018)
      Urban public transportation is by governments seen as one of the main ways to reduce the congestion and air pollution in cities. The tram is returning in the streets of cities in the USA and governments are investing to ...
    • Comparison of methods for assessing the changes in railway passenger numbers 

      Vaičiūnas, Gediminas; Tsykhmistro, Sergiy; Kravchenko, Kateryna (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 3, 2018)
      The result of measures to increase the passenger number in railway transport usually is an increase of the number of passengers in one or another section. The article examines the issue how to assess the change of railway ...
    • Comparison of the effectiveness of rolling stock wheel damage detection systems 

      Vaičiūnas, Gediminas; Steišūnas, Stasys (Transport Means 2022. Sustainability: research and solutions : proceedings of the 26th international scientific conference, October 05-07, 2022, online conference, Kaunas, Lithuania, Part. 1, 2022)
      Several different automatic systems (operating while the train is running) are used in Europe to detect wagons wheel damages. They are adapted to different methods of data collection and processing. During the exploitation, ...
    • Creation of the image of the new generation freight car bogie 

      Gorbunov, Mykola; Kara, Sergii; Nozhenko, Olena; Fomin, Oleksij; Vaičiūnas, Gediminas; Petrenko, Viačeslav (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 3, 2018)
      Analysis of the operating problems of freight car bogies are carried out, analysis of the reasons for low dynamic qualities, which do not allow to increase the speed of movement. The main directions of the development of ...
    • Decision support system for the infantry attacks 

      Baušys, Romualdas; Kriukovas, Artūras; Pincevičius, Albertas (Transport means 2017 : proceedings of the 21st international scientific conference, September 20-22, 2017, Juodkrante, Lithuania. Part 3, 2017)
      In this paper, the decision support system is proposed for the terrain evaluation in the prediction of the battle results in the case of the small unit operations. For this purpose application of stochastic methods was ...
    • Determination of asphalt pavement layers density and air voids content using ground penetrating radar 

      Baltrušaitis, Andrius; Vaitkus, Audrius (Transport means 2019. Sustainability: research and solutions : proceedings of the 23rd international scientific conference, October 02-04, 2019 Palanga, Lithuania, Part 2, 2019)
      The optimum air voids content and density of asphalt pavement are among the main indicators of the durability of asphalt road pavement. The asphalt pavement layers with insufficient density are less resistant to traffic ...
    • Determination of the critical gauge widening of the railway track 

      Petrenko, Viačeslav (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 2, 2018)
      The article describes the main requirements for the railway track gauge. One of the main reasons for the derailment of the rolling stock is the widening of the railway track. The article describes the technique of determining ...
    • Development of the theory and methodology of controlling the local tribological contact thermomechanical loading 

      Gorbunov, Mikola; Kovtanets, Maksym; Kostyukevich, Alexander; Nozhenko, Vladimir; Vaičiūnas, Gediminas; Steišūnas, Stasys (Transport means 2018: proceedings of the 22nd international scientific conference, October 03-05, 2018 Trakai, Lithuania. Part 3, 2018)
      Theoretical and experimental studies have been carried out, which confirmed the fact that the contact temperature is the most important factor affecting the entire complex of service properties of the contacting materials. ...