TY - JOUR AU - Kedves, András AU - Akay, M. AU - Akay, Y. AU - Kisiván, K. AU - Glavák, C. AU - Miovecz, Ádám AU - Schiffer, Ádám AU - Kisander, Zsolt AU - Lőrincz, Aba Tamás AU - Szőke, András AU - Sánta, B. AU - Freihat, Omar AU - Sipos, Dávid AU - Kovács, Árpád AU - Lakosi, Ferenc TI - Predictive value of magnetic resonance imaging diffusion parameters using artificial intelligence in low-and intermediate-risk prostate cancer patients treated with stereotactic ablative radiotherapy: A pilot study JF - RADIOGRAPHY J2 - RADIOGRAPHY VL - 30 PY - 2024 IS - 3 SP - 986 EP - 994 PG - 9 SN - 1078-8174 DO - 10.1016/j.radi.2024.03.015 UR - https://m2.mtmt.hu/api/publication/34824534 ID - 34824534 LA - English DB - MTMT ER - TY - JOUR AU - Iványi, Péter AU - Iványi, Miklósné AU - Jutila, Aarne AU - Balogh, Jenő AU - Topping, Barry H. V. AU - Medvegy, Gabriella TI - In memoriam: Prof. Dr. Miklós Iványi 1940–2013 JF - POLLACK PERIODICA: AN INTERNATIONAL JOURNAL FOR ENGINEERING AND INFORMATION SCIENCES J2 - POLLACK PERIODICA VL - 19 PY - 2024 IS - 1 SP - 1 EP - 12 PG - 12 SN - 1788-1994 DO - 10.1556/606.2024.00965 UR - https://m2.mtmt.hu/api/publication/34754016 ID - 34754016 LA - English DB - MTMT ER - TY - JOUR AU - Rajs, Vladimir AU - Herceg, Dejana AU - Despotović, Živadin AU - Bogdanović, Miroslav AU - Šiljegović, Mirjana AU - Popadić, Bane AU - Kiraly, Zoltan AU - Vizvári, Zoltán Ákos AU - Sári, Zoltán AU - Klincsik, Mihály AU - Felde, Imre AU - Odry, Péter AU - Tadity, Vladimir TI - Dead-Time Effect in Inverters on Wireless Power Transfer JF - ELECTRONICS (SWITZ) VL - 13 PY - 2024 IS - 2 PG - 14 SN - 2079-9292 DO - 10.3390/electronics13020304 UR - https://m2.mtmt.hu/api/publication/34496311 ID - 34496311 N1 - Faculty of Technical Sciences, Department of Power, Electronic and Telecommunication Engineering, University of Novi Sad, Trg Dositeja Obradovića 6, Novi Sad, 21000, Serbia Faculty of Sciences, Department of Physics, University of Novi Sad, Trg Dositeja Obradovića 6, Novi Sad, 21000, Serbia Institute of Information Technology, University of Dunaujvaros, Tancsics M. Str. 1/A, Dunaujvaros, H-2401, Hungary John von Neumann Faculty of Informatics, University of Obuda, Becsi Str. 96/B, Budapest, H-1034, Hungary Symbolic Methods in Material Analysis and Tomography Research Group, Faculty of Engineering and Information Technology, University of Pecs, Boszorkany Str. 6, Pecs, H-7624, Hungary Faculty of Engineering and Information Technology, University of Pecs, Boszorkany Str. 2, Pecs, H-7624, Hungary Cellular Bioimpedance Research Group, Szentagothai Research Centre, University of Pecs, Ifjusag Str. 20, Pecs, H-7624, Hungary Export Date: 9 February 2024 Correspondence Address: Tadic, V.; Institute of Information Technology, Tancsics M. Str. 1/A, Hungary; email: tadity.laszlo@uni-obuda.hu Funding details: GINOP_PLUSZ-2.1.1-21-2022-00249 Funding text 1: This research was funded by projects 2020-1.1.2-PIACI-KFI-2020-00166 and 2020-1.1.2-PIACI-KFI-2020-00173 of the University of Dunaujavaros and by project GINOP_PLUSZ-2.1.1-21-2022-00249 of the University of Obuda, co-financed by the Hungarian State. AB - This paper presents a comprehensive analysis of the dead-time effects in wireless power transfer systems based on LCC-S topology. In these systems operating at high frequencies, the ratio of dead-time versus the operating period becomes critical, and the dead-time issue can cause certain problems regarding power quality, efficiency, and output voltage ripple. The impact of input quantities such as voltage and switching frequency on the efficiency and output power of the LCC-S-tuned WPT system was also investigated. The optimal combination of these parameters used to achieve the maximum efficiency for a target output power and to set the appropriate value of the dead time were determined by running multiple simulations using the MATLAB R2023b software platform. It was also shown that the output voltage remained unchanged with and without a load and up to 1200 ns of dead-time, which provides a simple implementation of the corresponding mathematical model. In the recommended interval of 600–1500 ns, the influence of the dead-time on the value of the output voltage amplitude is less than 10%. The validity of the proposed method was confirmed through the implementation of the experimental prototype, a 5 kW wireless power transmission system, and the obtained results were in accordance with the simulation results. LA - English DB - MTMT ER - TY - JOUR AU - Vizvári, Zoltán Ákos AU - Klincsik, Mihály AU - Odry, Péter AU - Tadity, Vladimir AU - Győrfi, Nina Rubina AU - Tóth, Attila AU - Sári, Zoltán TI - Continuous Electrode Models and Application of Exact Schemes in Modeling of Electrical Impedance Measurements JF - ELECTRONICS (SWITZ) VL - 13 PY - 2024 IS - 1 PG - 17 SN - 2079-9292 DO - 10.3390/electronics13010066 UR - https://m2.mtmt.hu/api/publication/34448557 ID - 34448557 N1 - Export Date: 22 January 2024 Correspondence Address: Vizvari, Z.; Department of Environmental Engineering, Boszorkany Str. 2, Hungary; email: vizvari.zoltan@mik.pte.hu AB - The crucial issue in electrical impedance (EI) measurements lies in the galvanic interaction between the electrodes and the investigated material. This paper brings together the basic and applied research experience and combines their results with excellent properties. Consequently, innovative precise methodologies have emerged, enabling the direct modeling of EI measurements, free from the inaccuracies often associated with numerical approaches. As an outcome of the efficiency and robustness of the applied method, the conductivity of the material and the electrodes are represented by a common piecewise function, which is used to solve the differential equation modeling of the EI measurement. Moreover, this allows the possibility for modeling the conductivity of electrodes with continuous functions, providing an important generalization of the Complete Electrode Model (CEM), which has been widely used so far. The effectiveness of the novel approach was showcased through two distinct case studies. In the first case study, potential functions within both the material and the electrodes were computed using the CEM. In the second case study, calculations were performed utilizing the newly introduced continuous electrode model. The simulation results suggest that the new method is a powerful tool for biological research, from in vitro experiments to animal studies and human applications. LA - English DB - MTMT ER - TY - GEN AU - Sebők-Tornai, Bence AU - Várady, Géza TI - Szimulációs mérések szerepe a térérzékelésben PY - 2023 UR - https://m2.mtmt.hu/api/publication/34549759 ID - 34549759 AB - A Magyar Tudományos Akadémia Pécsi Területi Bizottsága VI. sz. Műszaki Tudományok Szakbizottságának Információtechnológiai Munkabizottsága; Energia Design és Szintézis Munkabizottsága és Orvos- Mérnöki Munkabizottság / Biomedical Engineering Munkabizottsága Alkalmazott informatika és mesterséges intelligencia a mérnöki tudományokban LA - Hungarian DB - MTMT ER - TY - CHAP AU - Budulski, László AU - Loch, Gábor AU - Lenkovics, László AU - Baumann, Mihály AU - Cakó, Balázs AU - Zsebe, Tamás AU - Meiszterics, Zoltán AU - Csonka, Dávid Ciprián AU - Vasvári, Gyula Ferenc AU - Vasváry-Nádor, Norbert AU - Bitó, Tamás AU - Várady, Géza ED - Iványi, Péter TI - Tube-Fin Contact Material Assesment in Heat Exchangers T2 - Abstract book for the19th MIKLÓS IVÁNYI INTERNATIONAL PHD & DLA SYMPOSIUM PB - Pollack Press C1 - Pécs SN - 9789636261825 PY - 2023 SP - 146 EP - 147 PG - 2 UR - https://m2.mtmt.hu/api/publication/34257838 ID - 34257838 LA - English DB - MTMT ER - TY - CHAP AU - Sebők-Tornai, Bence AU - Várady, Géza AU - L., Czúni ED - Iványi, Péter TI - Adaptive Spatial Sensing Using a Multi Camera System T2 - Abstract book for the19th MIKLÓS IVÁNYI INTERNATIONAL PHD & DLA SYMPOSIUM PB - Pollack Press C1 - Pécs SN - 9789636261825 PY - 2023 SP - 131 PG - 1 UR - https://m2.mtmt.hu/api/publication/34257596 ID - 34257596 LA - English DB - MTMT ER - TY - CHAP AU - Iványi, Péter AU - Iványi, Miklósné ED - Iványi, Péter TI - Remembering Professor Miklós Iványi. A Decade of Tribute TS - A Decade of Tribute T2 - Abstract book for the19th MIKLÓS IVÁNYI INTERNATIONAL PHD & DLA SYMPOSIUM PB - Pollack Press C1 - Pécs SN - 9789636261825 PY - 2023 SP - 34 EP - 37 PG - 4 UR - https://m2.mtmt.hu/api/publication/34256148 ID - 34256148 N1 - Personalia (alkalmi megemlékezés) jellegű esszé LA - English DB - MTMT ER - TY - JOUR AU - Győrfi, Nina Rubina AU - Gál, Adrián Róbert AU - Fincsur, András AU - Kalmar-Nagy, Karoly AU - Mintál, Kitti AU - Hormay, Edina AU - Miseta, Attila János AU - Tornóczky, Tamás AU - Nemeth, Anita K. AU - Bogner, Péter AU - Kiss, Tamas AU - Helyes, Zsuzsanna AU - Sári, Zoltán AU - Klincsik, Mihály AU - Tadity, Vladimir AU - Lénárd, László AU - Vereczkei, András AU - Karádi, Zoltán György AU - Vizvári, Zoltán Ákos AU - Tóth, Attila TI - Novel Noninvasive Paraclinical Study Method for Investigation of Liver Diseases JF - BIOMEDICINES J2 - BIOMEDICINES VL - 11 PY - 2023 IS - 9 PG - 21 SN - 2227-9059 DO - 10.3390/biomedicines11092449 UR - https://m2.mtmt.hu/api/publication/34124226 ID - 34124226 N1 - Communication AB - Based on a prior university patent, the authors developed a novel type of bioimpedance-based test method to noninvasively detect nonalcoholic fatty liver disease (NAFLD). The development of a new potential NAFLD diagnostic procedure may help to understand the underlying mechanisms between NAFLD and severe liver diseases with a painless and easy-to-use paraclinical examination method, including the additional function to detect even the earlier stages of liver disease. The aim of this study is to present new results and the experiences gathered in relation to NAFLD progress during animal model and human clinical trials. LA - English DB - MTMT ER - TY - JOUR AU - Storcz, Tamás AU - Várady, Géza AU - Kistelegdi, István AU - Ercsey, Zsolt TI - Regression Models and Shape Descriptors for Building Energy Demand and Comfort Estimation JF - ENERGIES J2 - ENERGIES VL - 16 PY - 2023 IS - 16 PG - 20 SN - 1996-1073 DO - 10.3390/en16165896 UR - https://m2.mtmt.hu/api/publication/34093695 ID - 34093695 N1 - Export Date: 19 September 2023 Correspondence Address: Storcz, T.; Department of Systems and Software Technologies, Boszorkány Street 2, Hungary; email: storcz.tamas@mik.pte.hu AB - Optimal building design in terms of comfort and energy performance means designing and constructing a building that requires the minimum energy demand under the given conditions while also providing a good level of human comfort. This paper focuses on replacing the complex energy and comfort simulation procedure with fast regression model-based processes that encounter the building shape as input. Numerous building shape descriptors were applied as inputs to several regression models. After evaluating the results, it can be stated that, with careful selection of building geometry describing design input variables, complex energy and comfort simulations can be approximated. Six different models with five different building shape descriptors were tested. The worst results were around R2 = 0.75, and the generic results were around R2 = 0.92. The most accurate prediction models, with the highest level of accuracy (R2 > 0.97), were linear regressions using 3rd power and dense neural networks using 1st power of inputs; furthermore, averages of mean absolute percentage errors are 1% in the case of dense neural networks. For the best performance, the building configuration was described by a discrete functional point cloud. The proposed method can effectively aid future building energy and comfort optimization processes. LA - English DB - MTMT ER -