Now showing items 1-20 of 388

    • 2DOF linear rotary type ultrasonic motor 

      Mažeika, Dalius; Borodinas, Sergejus; Vasiljev, Piotr; Bareikis, Regimantas; Struckas, Arūnas; Jūrėnas, Vytautas (Advances in acoustics, noise and vibration – 2021: proceedings of the 27th international congress on sound and vibration (ICSV27), 11-16 July 2021, 2021)
      A novel linear-rotary type ultrasonic piezoelectric motor was developed for the optical beam luminous flux density control system. The motor has a single stator and consists of a piezoelectric bimorph disc and a carbon ...
    • 3DOF high resolution inertial piezoelectric motor 

      Mažeika, Dalius; Vasiljev, Piotr; Bareikis, Regimantas; Borodinas, Sergejus (2019 IEEE International Ultrasonics Symposium (IUS), Glasgow, Scotland, October 6-9, 2019, 2019)
      Development of multi degree-of-freedom (DOF) high-resolution motors is becoming of increased importance for nanotechnology, micro-robotics, and laser technology. A novel design of 3DOF rotary type piezoelectric motor is ...
    • 5G CrowdCell with mm-Wave SDR based backhaul 

      Savič, Milan; Božič, Miloš; Bukvič, Branko; Grujić, Dušan; Tamoševičius, Žydrūnas; Kiela, Karolis; Back, Andrew (Cognitive Radio-Oriented Wireless Networks : 14th EAI International Conference "CrownCom 2019", Poznan, Poland, June 11–12, 2019 : proceedings, 2019)
      This paper presents the 5G CrowdCell platform developed by lime microsystems, as well as future mm-Wave SDR platforms which are under development, and which, among other applications, will be used as the CrowdCell backhaul.
    • A bond model of synthetic macro-fibre in concrete 

      Garnevičius, Mantas; Plioplys, Linas; Gribniak, Viktor (Proceedings of the 13th FIB International PhD Symposium in Civil Engineering, held in Paris, France, August 26-28, 2020, 2020)
      Bond behaviour of a synthetic macro-fibre in concrete is the object of this research. The bond strength and stiffness are the parameters characterising the bonding mechanism that determines the efficiency of the reinforcing ...
    • A combination of non-formal and formal education systems for the students studying mechatronics engineering and improving practical skills and synergistic abilities 

      Jasėnas, Audrius; Toločka, Eligijus (Solid State Phenomena : Mechatronic Systems and Materials VI: Selected, peer reviewed papers from the 9th International Conference on Mechatronic Systems and Materials (MSM 2013), July 1-3, 2013, Vilnius, Lithuania, 2015)
      The article analyses the possibilities of and demand for a combination of non-formal and formal education systems for the students studying mechatronics engineering and improving practical skills and synergistic abilities. ...
    • A computer program design for optimization of a cylindrical traverse grinding operations 

      Marcinkevičius, Andrejus Henrikas (Solid State Phenomena: Mechatronic Systems and Materials III, 2009)
      Traverse cylindrical grinding productivity and accuracy depend on many factors of rough, fine and spark out grinding. Evaluation of all these factors at manual calculation of the process plan is impossible, for that reason ...
    • A model and system for an integrated analysis of the iterative life cycle of university-industry partnerships 

      Kaklauskas, Artūras; Amaratunga, Dilanthi; Haigh, Richard; Binkytė-Vėlienė, Arūnė; Lepkova, Natalija; Survila, Arvydas; Lill, Irene; Tantaee, S.; Banaitis, Audrius (Procedia Engineering. 7th International Conference on Building Resilience; Using scientific knowledge to inform policy and practice in disaster risk reduction, ICBR 2017, 27-29 November 2017, Bangkok, Thailand, 2018)
      The Asian countries (Sri Lanka, Thailand, Bangladesh) in the ASCENT project have an unequally spread out and restricted RTD ability. An interactive and cooperative university - industry partnership can increase the quality ...
    • A new testing procedure to quantify unfavourable environmental effect on mechanical performance of composite reinforcement system 

      Sultani, Haji Akbar; Rimkus, Arvydas; Sokolov, Aleksandr; Gribniak, Viktor (Proceedings of the 14th fib International PhD Symposium in Civil Engineering, 5-7 September 2022, Rome, Italy, 2022)
      Current technology development ensures a variety of material types for reinforcing and strengthening concrete structures. However, the absence of a uniform testing methodology complicates quantification (and comparison) ...
    • A novel approach to residual stiffness analysis of flexural concrete elements with composite reinforcement 

      Gribniak, Viktor; Sokolov, Aleksandr; Rimkus, Arvydas; Sultani, Haji Akbar; Tuncay, Murat Can; Torres, Lluis (IABSE symposium. Guimaraes 2019. Towards a resilient built environment - Risk and asset management, March 27-29, 2019, Guimaraes, Portugal, 2019)
      This study introduces a simplified tension-stiffening approach for the flexural stiffness analysis. It employs a new testing layout designed with the purpose to form multiple cracks in a small laboratory specimen. The ...
    • A resource model for the rule-based dynamic business process modelling and simulation 

      Vasilecas, Olegas; Kalibatienė, Diana; Rima, Audrius; Birzniece, Ilze; Rudzajs, Peteris (The 2015 European Simulation and Modelling Conference - Modelling and Simulation'2015 - ESM'2015, October 26-28, 2015, Holiday Inn, Leicester, United Kingdom, 2015)
      The success of each business depends on it's inside runtime processes. However, traditional approaches and tools lived to model, simulate and implement business processes (BP) are stabe, and therefore, no longer covers the ...
    • A review of the basic power amplifier linearization methods 

      Borel, Andžej; Barzdėnas, Vaidotas (2020 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream), 30 April 2020, Vilnius, Lithuania: proceedings of the conference / organized by Vilnius Gediminas Technical University, 2020)
      This paper reviews the main groups of power amplifier linearization methods. There are three basic groups of linearization methods: feedforward, feedback and pre-distortion. The principle of operation of mentioned linearization ...
    • A simulation-based approach for the conflict resolution method optimization in a distributed air traffic control system 

      Dudoit, Anrieta; Skorupski, Jacek (Research methods and solutions to current transport problems: proceedings of the International Scientific Conference Transport of the 21st Century (ISCT21 2019), 9–12th of June 2019, Ryn, Poland, 2020)
      The observed increase in air traffic volume leads to the development of methods like “free flight” aiming at better use of airspace. The expected consequence of the widespread implementation of this concept is the transfer ...
    • A spline-based analytical model for the design of an automotive anti-roll bar 

      Chiari, Alessandro; Mantovani, Sara; Skrickij, Viktor; Boulay, Emilie (SAE Technical Paper. WCX SAE World Congress Experience, April 18-20 2023, 2023)
      The new corner-based architecture of electrified road vehicles requires a redesign of vehicle suspension components. The design protocol must satisfy the target parameters derived from dynamics requirements. The roll ...
    • 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 ...
    • A study on sputtered ultrathin chromium films for optical applications 

      Belosludtsev, Alexandr; Sytchkova, Anna; Baltrušaitis, Kazimieras; Gric, Tatjana (Proceedings of SPIE - The International Society for Optical Engineering: Advances in Optical Thin Films VII, 13 September 2021, 2021)
      Structural, optical, and electrical properties of ultrathin chromium films manufactured using magnetron sputtering were investigated. The films showed pure metallic chromium phase yet their refractive index and extinction ...
    • Acoustic comfort in educational buildings: Lithuanian case study 

      Masiulytė-Vitkauskė, Liepa; Bogdanienė, Eglė Ganda; Lebednykaitė, Miglė; Jagniatinskis, Aleksandras; Mickaitis, Marius (24th International Congress on Sound and Vibration (ICSV 24), July 23-27, 2017, London, United Kingdom : proceedings, 2017)
      To ensure the quality of teaching and learning process more attention should be paid to the room acoustics. Excessive reverberation time in educational purpose rooms causes the raised voices and poor speech intelligibility. ...
    • Acoustic composite panels based on recycled paper sludge 

      Astrauskas, Tomas; Grubliauskas, Raimondas (Advances in acoustics, noise and vibration – 2021 : Proceedings of the 27th international congress on sound and vibration (ICSV27), 11-16 July 2021, 2021)
      Recent trends in waste management have initiated interest in recycled materials for sound absorption applications. The present paper studies the possibility of paper sludge to be recycled as material for sound absorption ...
    • Adaptive strategy for environment exploration in search and rescue missions by autonomous robot 

      Semėnas, Rokas; Baušys, Romualdas (Communication and intelligent systems. Proceedings of ICCIS 2020. 2nd International conference on communication and intelligent systems, December 26-27, 2020, 2021)
      In this research, a new adaptive strategy is proposed for the autonomous mobile robot, which explores the unknown search and rescue (SAR) environment. The robot, which implements the proposed strategy, operates on the ...
    • An analysis of flexural bond length and anchorage length of prestressed fiber reinforced polymer reinforcement 

      Jokūbaitis, Aidas; Valivonis, Juozas (The Eurasia proceedings of science technology engineering and mathematics.: International Conference on Technology, Engineering and Science (IConTES), November 16-19, 2022, Antalya/Turkey, 2022)
      The main aim of this paper is to provide a broader analysis of the flexural bond length and anchorage length of different types of prestressed Fiber Reinforced Polymer (FRP) reinforcement and to provide corrections to the ...
    • An analytical approach for calculating crack width of RC members: Pure shear method 

      Sakalauskas, Karolis; Kaklauskas, Gintaris (International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures [SynerCrete’23]: conference paper, 2023)
      Nowadays Serviceability Limit State (SLS) of Reinforced Concrete (RC) structures is becoming a more and more important object of research among scientists and engineers. One of the most relevant topics of SLS is cracking ...