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1
Wspomaganie inwentaryzacji sieci elektroenergetycznych
Helt P., Baczyński D., Glezma R., Zych G.
Wiadomości Elektrotechniczne
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2014
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R. 82, nr 8
16--20
PL
Przedstawiono prototyp systemu wspierającego inwentaryzację sieci elektroenergetycznych na podstawie nowoczesnych technik automatycznej identyfikacji obiektów oraz rozproszonego zarządzania pozyskaniem i obróbką danych.
EN
The paper presents a prototype system for aiding of inventorying of electric power networks, based on modern technology of automatic identification of objects and distributed management of data acquirement and processing.
2
Content available Determination of bone volume porosity based on histograms of the mCT scans
Gadzała P., Szczepański Z., Zych G.
Challenges of Modern Technology
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2010
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Vol. 1, no. 1
88--89
EN
The new method is proposed in the paper for determination of volume porosity of bone tissue based on histograms of 3D mCT scans and also precise defi nition of the threshold value of relative density preserving calculated volume porosity during the reconstruction of the binary image of sample. In this method the normed histogram is considered as a probability distribution of relative mass density in the bone sample. It was shown that the normed histograms of increasing 3D sample are convergent to the limit curve which can be interpreted as a representative histogram of given sample. The limit histograms have been used to determine: the distributions of relative densities in the sets of voxels of pore and skeleton type and their characteristics, the volume porosities of both samples and thresholds values of their binarisation.
3
Content available Application of Micro Computer Tomography to Identification of Pore Structure Parameters of Porous Materials
Szczepański Z., Cieszko M., Gadzała P., Zych G.
Challenges of Modern Technology
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2010
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Vol. 1, no. 1
90--91
EN
The purpose of this paper is to apply the scans of microscopic geometry of human bones obtained by Micro Komputer Tomography method to identifi cation of their macroscopic pore structure parameters: volume porosity, permeability and tortuosity of pores and skeleton. These parameters, except the volume porosity, have been determined by simulations of microscopic processes of viscous fl uid fl ow and electrical current passage through virtual models of bones samples. The simulations wave performed using the COMSOL’s Multiphysics environment assigned for solution of boundary value problems described by partial diff erential equations, by use of the fi nite element method.
4
Content available remote Neural network as the source of expert knowledge system
Zych G.
Image Processing & Communications
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2006
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Vol. 11, no 1
91-96
EN
Expert system, known and applied for many years, are a tool used to solve numerous problems. The article suggests a hybrid expert system in which, apart from a classical rule knowledge base, exists an additional source in a form of a neural network. The system will help to specify an energetic efficiency of a chosen process and the disintegrating device. It will also present its qualitative evaluation (good, satisfactory, unsatisfactory). A suggested diagram may be used in other fields.
5
Analiza wpływu warunków podparcia na stan naprężeń w iglicy rozjazdu kolejowego
Zych G.
Zeszyty Naukowe. Mechanika / Akademia Techniczno-Rolnicza w Bydgoszczy
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2002
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Z. 53(241)
325-332
PL
Praca przedstawia propozycję modelu iglicy rozjazdu kolejowego służącego do określenia wpływu luzów podparcia iglicy na maksymalne naprężenia zginające. Analizę przeprowadzono przy przyjęciu iglicy jako belki niepryzmatycznej, nieciągle podpartej w dwóch płaszczyznach. W pracy przedstawiono model obliczeniowy i program numeryczny rozjazdu Rkpd S60/190/1:9.
EN
The paper presents a proposed model of the switch blade, which serves to determine the impact of the switch blade support slackness on maximum bending stresses. For the sake of analysis the switch blade was treated as a non-prismatic beam, discontinuously supported in two planes. The paper presents the calculation model and the numerical program for Rkpd s601/190/1:9 turnout.
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