Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Jarosław KONIECZNY"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract This paper presents the use of one-way analysis of variance ANOVA as an effective tool for ranking the features calculated from diagnostic signals and evaluates their impact on the accuracy of the machine learning system's classification of
Externí odkaz:
https://doaj.org/article/3a6965189be64f538da8691a979d8e3f
Silver Alloy Surface Modification for Mechanical Property Enhancement in Aviation and Transportation
Autor:
Krzysztof Labisz, Jarosław Konieczny
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 1702 (2024)
Silver alloys are often used for electrical switches in railway transportation. However, a well-known issue with these switches is their relatively short application period due to certain disadvantages of silver alloys, mainly their low hardness and
Externí odkaz:
https://doaj.org/article/cfd0983843fe4a69a824d3df09fe7589
Publikováno v:
Transport Problems, Vol 17, Iss 1, Pp 73-86 (2022)
Since welding technology is currently used to assemble the frame of driver’s seats, it is important to develop laser welding technology for steel and aluminium. For this reason, the purpose of the present work was to examine the structure and se
Externí odkaz:
https://doaj.org/article/2864aa408db5477eb9b3a4a0338a42c1
Autor:
Jarosław KONIECZNY
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 113, Pp 101-113 (2021)
This article presents the results of a research on the operational damage to sectional insulator guides made of hard electrolytic copper Cu-ETP (Electrolytic Tough Pitch Copper). The guides were used on various rail routes, in real conditions, on whi
Externí odkaz:
https://doaj.org/article/8c7540baa1ec482c86d550ef108bfa02
Autor:
Jarosław Konieczny, Krzysztof Labisz, Szymon Surma, Jakub Młyńczak, Jerzy Łukasik, Renata Boris, Michał Grzybowski
Publikováno v:
Energies, Vol 16, Iss 11, p 4400 (2023)
Currently, hydrogen and electric drives used in various means of transport is a leading topic in many respects. This article discusses the most important aspects of the operation of vehicles with electric drives (passenger cars) and hydrogen drives.
Externí odkaz:
https://doaj.org/article/3295a43cb7fa440ca7d59e6dbc92c2cb
Publikováno v:
Energies, Vol 16, Iss 10, p 4099 (2023)
In this study, we investigate a robust H∞ controller for a quarter-car model of an active inerter-based suspension system under parameter uncertainties and road disturbance. Its main objective is to improve the inherent compromises between ride qua
Externí odkaz:
https://doaj.org/article/4c13b707b97b491aab692fb1a5e5e503
Publikováno v:
Materials, Vol 16, Iss 8, p 2941 (2023)
This paper presents the results of research on a newly developed surface layer made by laser remelting the working surface of the Cu-ETP (CW004A, Electrolytic Tough Pitch) copper section insulator guide with Cr-Al powder. For the investigation, a fib
Externí odkaz:
https://doaj.org/article/3c0cc1082bd6490eae453d5598dc035c
Autor:
Jarosław KONIECZNY, Krzysztof LABISZ
Publikováno v:
Transport Problems, Vol 16, Iss 2, Pp 5-18 (2021)
In this work,anattempt was madeto apply laser surface technology for enhancement of the properties and strengtheningthe material with addition of ceramic phases intheform of silicon and tungsten carbide particles, leading toaremarkableincreasein hard
Externí odkaz:
https://doaj.org/article/f9ffae305d2644e9b098d6cb5acc15d7
Publikováno v:
Energies, Vol 16, Iss 3, p 1408 (2023)
Hydraulic power systems are commonly used in heavy industry (usually highly energy-intensive) and are often associated with high power losses. Designing a suitable system to allow an early assessment of the wear conditions of components in a hydrauli
Externí odkaz:
https://doaj.org/article/aba4e5a8457e44fd93b8117bc126965a
Autor:
Krzysztof LABISZ, Jarosław KONIECZNY
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 106, Iss 106, Pp 85-96 (2020)
Rail transport is presently one of the most supported means of transport in Europe; it existed from the end of the 18th century. However, some issues especially concerning materials and its exploitation are still actual and are a matter of scientific
Externí odkaz:
https://doaj.org/article/6f93522c02af48ad8d60ccc939837bcb