@techreport{MTMT:2672055, title = {Demonstration of multilink features}, url = {https://m2.mtmt.hu/api/publication/2672055}, author = {Hans, Ole Rafaelsen and Kántor, Péter and Antonio, Alfaro and Daniel, Seixas and Peter, Sheynkman and Urbancsek, Tamás and Noam, Amram and Frank, Eliassen}, editor = {Hans, Ole Rafaelsen}, unique-id = {2672055}, year = {2011}, pages = {1-33} } @article{MTMT:2650231, title = {Beyond the Limits of Kinematics in Planning keyframed Biped Locomotion}, url = {https://m2.mtmt.hu/api/publication/2650231}, author = {Juhász, Tamás and Urbancsek, Tamás}, doi = {10.3311/pp.ee.2009-1-2.01}, journal-iso = {PERIOD POLYTECH ELECTR ENG}, journal = {PERIODICA POLYTECHNICA-ELECTRICAL ENGINEERING}, volume = {2009}, unique-id = {2650231}, issn = {0324-6000}, abstract = {The methods of locomotion planning for biped robots have been studied for many years. Presently, several companies have announced the commercial availability of various humanoid robot prototypes with diverse controllability. However a family of existing (small) humanoids is being controlled in a discrete time manner (using so called “keyframes”). The keyframe technique lets us specify the target angular position of the joints only in discrete time-steps, whereby the length of the individual intervals is also defined. These platforms have built-in path planning algorithms and have their own control electronics: i.e. no external feedback is given about actual joint torques. They do not support the widely spread methods, thus they need a different approach for locomotion planning. In this paper, we aim to provide an off-line (i.e. non real-time) dynamic motion planning method for keyframed humanoids based on various numerical optimization techniques. Using inverse kinematics and the existing techniques for creating keyframed character animation, one can relatively easily generate a reference movement, which can be simulated using a real-time kinematics model of the given robot. In this case we get the reference time curves of the robot segments’ poses. It is a fact, that due to gravitational-, inertial- and frictional effects, the motion won’t exactly be the same in the real world. Assuming we have built a detailed, sophisticated dynamics model (running offline) we can formulate a norm that expresses the difference of these outputs. In this article we present our idea, how the motion could be automatically tailored by lowering this norm using numerical methods in a way, that the output of the dynamic model better approximates the reference motion. Finally, we show our experimental results obtained by implementations running within a modern simulation environment as well as on our test humanoid platform.}, year = {2010}, eissn = {1587-3781}, pages = {3-9} } @misc{MTMT:2650225, title = {EMSER}, url = {https://m2.mtmt.hu/api/publication/2650225}, author = {Vajta, László and Vajda, Ferenc and Juhász, Tamás and Urbancsek, Tamás and Kálmán, Viktor and Vogel, Miklós and Helybély, Ádám}, unique-id = {2650225}, year = {2007}, pages = {1-148}, orcid-numbers = {Vajta, László/0000-0001-7164-6050} } @{MTMT:2622653, title = {Rendszer és eljárás valós objektumok mozgatására virtuális térben végrehajtott műveletekkel}, url = {https://m2.mtmt.hu/api/publication/2622653}, author = {Dálnoki, Á and Helybély, Ádám and Juhász, Tamás and Kálmán, Viktor and Urbancsek, Tamás and Vajda, Ferenc and Vajta, László}, unique-id = {2622653}, year = {2007}, orcid-numbers = {Vajta, László/0000-0001-7164-6050} } @CONFERENCE{MTMT:2622157, title = {Beyond the limits of kinematics in planning keyframed biped locomotion}, url = {https://m2.mtmt.hu/api/publication/2622157}, author = {Juhász, Tamás and Urbancsek, Tamás}, booktitle = {Proceedings of the 6th EUROSIM Congress on Modelling and Simulation}, unique-id = {2622157}, year = {2007}, pages = {78-84} } @CONFERENCE{MTMT:2621423, title = {Comparison of Different 3D (Stereo) Visualization Methods - Experimental Study}, url = {https://m2.mtmt.hu/api/publication/2621423}, author = {Vajta, László and Urbancsek, Tamás and Vajda, Ferenc and Juhász, Tamás}, booktitle = {Proceedings of the 6th EUROSIM Congress on Modelling and Simulation}, unique-id = {2621423}, year = {2007}, pages = {1-7}, orcid-numbers = {Vajta, László/0000-0001-7164-6050} } @misc{MTMT:2618520, title = {Szakértői rendszer készítése Video-On-Demand tartalmak kölcsönzésének előrejelzésére felhasználói profil-képzés technikájával}, url = {https://m2.mtmt.hu/api/publication/2618520}, author = {Vámos, Gábor and Urbancsek, Tamás}, unique-id = {2618520}, year = {2007} } @misc{MTMT:2650232, title = {3D megjelenítés nagyméretű LED-es kijelzőkön}, url = {https://m2.mtmt.hu/api/publication/2650232}, author = {Ladányi, J and Szőcs, Cs and Vajda, Ferenc and Urbancsek, Tamás and Juhász, Tamás and Vajta, László}, unique-id = {2650232}, year = {2006}, orcid-numbers = {Vajta, László/0000-0001-7164-6050} } @CONFERENCE{MTMT:2650012, title = {Design of an Internet-Based Tele-Microrobotical Laboratory Assignment}, url = {https://m2.mtmt.hu/api/publication/2650012}, author = {Arató, Péter and Vajta, László and Urbancsek, Tamás and George, Chamilothoris}, booktitle = {4th IEEE International Conference on Computational Cybernetics}, doi = {10.1109/ICCCYB.2006.305739}, unique-id = {2650012}, year = {2006}, pages = {97-100}, orcid-numbers = {Arató, Péter/0000-0003-2627-0511; Vajta, László/0000-0001-7164-6050} } @inproceedings{MTMT:2650013, title = {Neue Algorithmen in der VR-Basierten Internet Telerobotik}, url = {https://m2.mtmt.hu/api/publication/2650013}, author = {Urbancsek, Tamás}, booktitle = {Wissenschaftliche Mitteilungen der 17. Frühlingsakademie}, unique-id = {2650013}, abstract = {The realization of visual feedback is critical to quality and usability of telerobotic applications. This article surveys some techniques and methods that may increase usability and quality of Virtual Reality based Internet telerobotic systems. The article also describes how these methods can be combined with each other and what derived problems are the engineers face to during the telerobotical system construction.}, year = {2005}, pages = {129-132} }