Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Andrzej Ratkiewicz"'
Autor:
Jacek Kukulski, Andrzej Ratkiewicz
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6172 (2024)
This paper presents the concept of a modified 60E1 rail dedicated to continuous welded rail (CWR) track. The presented solution is the subject of a patent application by the authors of the publication. The paper describes problems associated with the
Externí odkaz:
https://doaj.org/article/9c7937635aa640d4a79ffe15e7cf6db3
Autor:
Andrzej Ratkiewicz, Jakub Walczak
Publikováno v:
Archives of Transport, Vol 64, Iss 4, Pp 27-43 (2022)
The paper presents an approach for integrating conflicted cells in a chain-like structure based on a measurement of the level of integration of this structure. The authors’ prior experience suggests an assumption that conflicts always arise when ce
Externí odkaz:
https://doaj.org/article/31ed7ff0d06e49828ac97ba59e1b87bd
Autor:
Andrzej Ratkiewicz, Konrad Lewczuk
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 69, Iss No. 1 (2021)
This paper discusses the configuration of a space-effective rack cell for storing a given set of heterogeneous items. Rack cells are the primary components of rack storage areas. A rack cell configuration problem (RCCP) for heterogeneous storage is f
Externí odkaz:
https://doaj.org/article/031522e8ff7249c2a811cc34ae6df895