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Publications - 6383

Evaluation of response times on a touch screen using stereo panned speech command auditory feedback

Hunor Nagy Gyorgy Wersenyi

Publication Name: Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics

Publication Date: 2016-01-01

Volume: 9811 LNCS

Issue: Unknown

Page Range: 279-286

Description:

User interfaces to access mobile and handheld devices usually incorporate touch screens. Fast user responses are in general not critical, however, some applications require fast and accurate reactions from users. Errors and response times depend on many factors such as the user’s abilities, feedback types and latencies from the device, sizes of the buttons to press, etc. We conducted an experiment with 17 subjects to test response time and accuracy to different kinds of speech-based auditory stimuli over headphones. Speech signals were spatialized based on stereo amplitude panning. Results show significantly better response times for 3 directions than for 5, as well as for native language compared to English, and more accurate judgements based on the meaning of the speech sounds rather than their direction.

Open Access: Yes

DOI: 10.1007/978-3-319-43958-7_33

First names of female servants in a Józsefváros (Josefstadt) apartment building in the 19th-20th centuries

László Horváth

Publication Name: Nevtani Ertesito

Publication Date: 2016-01-01

Volume: Unknown

Issue: 38

Page Range: 79-84

Description:

The paper discusses the 19th-20th-century first names of female servants in an apartment building in Budapest compared to the female first names used by the families that employed them. Sources were register books listing the inhabitants of the building between 1899 and 1947. Female servants arrived to the capital from over 40% of the counties in the country at the time, while families employing them were mostly from Budapest. The most frequent first names in the register books coincide with the top 10 percent of first names in the country-wide statistics of the era. The assumption that mainly young unmarried female servants were listed in the register books by hypocoristic names has clearly not been justified. A comparison of the first names of the female servants and those of the female members of their employers' families displays the approximate similarity of the most frequent first names. Differences between the two name stocks can only be observed with respect to female servants' informal nicknames. The final conclusion of the paper is that first names borne exclusively by female servants did not exist.

Open Access: Yes

DOI: DOI not available

Tribological Investigation of Base Oil Supplemented with Zirconia Nanoparticles at Various Operating Temperatures †

I. Szabó Márk Marsicki

Publication Name: Engineering Proceedings

Publication Date: 2024-01-01

Volume: 79

Issue: 1

Page Range: Unknown

Description:

This study examines oil samples with zirconium dioxide (ZrO2) nanoparticles in Group III base oil at different temperatures, revealing the effects of temperature and concentration on the tribological system. The samples contain 0.1% and 1% ZrO2 nanoparticles, tested at 40–120 °C. The friction results showed that the nanoparticles increase the friction absolute integral values at all tested temperatures; however, static friction can be improved by 3–13%. The study demonstrates the wear-resistant effect of ZrO2 nanoparticles. Significant wear reduction can be achieved even at low concentrations; wear volume can be reduced by 21–87% depending on the nanoparticle concentration and operating temperature. Scanning electron microscopy with EDX helped to identify wear types, the processes occurring on the surfaces, and the percentage of nanoparticles on the surface.

Open Access: Yes

DOI: 10.3390/engproc2024079035

Heat transfer control in MHD flow through internally finned vertical duct: A finite volume approach

Mohamed R. Eid Kashif Ali Assmaa Abd-Elmonem Bandar M. Fadhl Syed M. Hussain Wasim Jamshed Hijaz Ahmad Neissrien Alhubieshi

Publication Name: International Communications in Heat and Mass Transfer

Publication Date: 2026-03-01

Volume: 172

Issue: Unknown

Page Range: Unknown

Description:

The purpose of this investigation is to explore in depth a duct flow that incorporates the Al2O3/H2O nanofluid while it is subjected to an external field impact. The duct is made up of two opposing fins that are joined to the walls that are opposite each other. The temperature may be considered to be uniform at the cross-sectional plane of the duct. Additionally, the heat flow at the border is not variable. The finite volume approach was chosen because it offers a satisfactory balance between computing efficiency and the accuracy of its solutions. Importantly, our results indicate that the slowness of flow that is caused by increased Rayleigh numbers may be efficiently regulated by introducing an external magnetic field that has been carefully measured. The significance of this study demonstrates how magnetic-field modulation can be strategically employed to control thermal-hydraulic behavior in internally finned duct systems. The results provide valuable guidance for designing advanced cooling channels, energy devices, and thermal management systems where enhanced heat transfer and flow stability are required under magnetic field environments. The installation of an external magnetic field of moderate strength resulted in a drop of about 75 % in both the maximum velocity and temperature across the duct. Further, a jump of approximately 66 % in the average Nusselt number has been brought about by 25 % increase in the fin height. Through the use of this study framework, a link between thermal-hydraulic behavior and the application of magnetic force is established. The involvement of the Lorentz force, which offers resistance to the motion of the fluid by operating in a direction that is perpendicular to the direction in which the fluid is flowing, and the magnetic force, is brought about as a consequence of the magnetic forces. Consequently, it is possible to draw the conclusion that a larger Nusselt number is the result of both a higher Rayleigh number and a higher magnetic parameter.

Open Access: Yes

DOI: 10.1016/j.icheatmasstransfer.2025.110298

Soil shear modulus from resonant column, torsional shear and bender element tests

Peter Hudacsek Zsolt Szilvágyi Richard P. Ray

Publication Name: International Journal of Geomate

Publication Date: 2016-01-01

Volume: 10

Issue: 2

Page Range: 1822-1827

Description:

This study compares results from three different testing methods: Resonant Column, Torsional Simple Shear, and Bender Element tests to determine shear modulus. The resonant column and torsional shear tests were performed on the same hollow cylinder specimen. The bender element test was performed on a triaxial specimen with the same void ratio and confining stress as well as others. Several effects were studied, among them confining stress, shear strain amplitude and for the bender element, anisotropic confinement. Testing methods and data analysis are discussed in the paper because data interpretation is very important in these tests. Results showed that the shear modulus values were almost identical between the resonant column and torsional shear but varied somewhat with the bender element results. Further research will focus on influence of stress anisotropy preparation methods.

Open Access: Yes

DOI: 10.21660/2016.20.39871

Scalable Supervisory Architecture for Autonomous Race Cars

Gergely Bári Péter Bogdán Zalán Demeter Ármin Bogár-Németh

Publication Name: IEEE Intelligent Vehicles Symposium Proceedings

Publication Date: 2024-01-01

Volume: Unknown

Issue: Unknown

Page Range: 264-271

Description:

In recent years, the number and importance of autonomous racing leagues, and consequently the number of studies on them, has been growing. The seamless integration between different series has gained attention due to the scene's diversity. However, the high cost of full scale racing makes it a more accessible development model, to research at smaller form factors and scale up the achieved results. This paper presents a scalable architecture designed for autonomous racing that emphasizes modularity, adaptability to diverse configurations, and the ability to supervise parallel execution of pipelines that allows the use of different dynamic strategies. The system showcased consistent racing performance across different environments, demonstrated through successful participation in two relevant competitions. The results confirm the architecture's scalability and versatility, providing a robust foundation for the development of competitive autonomous racing systems. The successful application in real-world scenarios validates its practical effectiveness and highlights its potential for future advancements in autonomous racing technology.

Open Access: Yes

DOI: 10.1109/IV55156.2024.10588615

A new species of Trichochloritis Pilsbry, 1891 from Sichuan, China (Gastropoda: Stylommatophora: Camaenidae)

Barna Páll-Gergely András Hunyadi

Publication Name: Acta Phytopathologica Et Entomologica Hungarica

Publication Date: 2025-11-13

Volume: 60

Issue: 2

Page Range: 155-160

Description:

Trichochloritis kiralyi sp. nov. is described from Sichuan Province, China. This new species is most similar to Trichochloritis adaequata (Gredler, 1894), which has a more elevated spire and a narrower umbilicus. Trichochloritis hunanensis Yen, 1939 is a new synonym of T. adaequata.

Open Access: Yes

DOI: 10.1556/038.2025.00255

Evaluation and improvement of parallel discrete event simulation performance predictions: A rough-set-based approach

László Muka István Derka

Publication Name: Acta Polytechnica Hungarica

Publication Date: 2016-01-01

Volume: 13

Issue: 6

Page Range: 125-145

Description:

Simulation performance prediction methods make possible the realization of performance improvement potentials of Parallel Discrete Event Simulation (PDES) methods, important in the analysis of complex systems and large-scale networks. Currently, high performance execution environments (emerging clusters and computing clouds) advance the development of quality/cost analysis capabilities of performance prediction methods. In this paper, for the evaluation and management of prediction correctness/cost, the efficacy, efficiency and effectiveness coefficients and improvement operations are defined for predictions. The performance coefficients and improvement operations are embedded in the rough-set-modeling and learning process and presented as an enhancement approach of the conventional Coupling Factor Method (CFM). A case study based on the CFM analysis of PDES of a closed queuing network model is presented. In the example, after rough-modeling and train-and-test analysis, the correctness/cost evaluation and effectiveness improvement operations are shown for series of predictions and the feedback connection to modeling refinement phase is demonstrated too.

Open Access: Yes

DOI: DOI not available

We remember Vilmos Schulhof (1874-1944)

Ágota Kulisch Noémi Gyarmati Zsuzsanna Mándó József Horváth Ágota Kránicz Annamária Bergmann Szilvia Boros

Publication Name: Orvosi Hetilap

Publication Date: 2024-11-17

Volume: 165

Issue: 46

Page Range: 1837-1839

Description:

No description provided

Open Access: Yes

DOI: 10.1556/650.2024.HO2805