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1
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Journal of KONBiN
2006 No. 2 299--305
EN A method of means of transport maintenance with a requisite reliability is presented in this paper. Results are achieved by using redundancy of objects in a fleet and by making preventive replacement of objects’ elements. The acceptable level of a failure risk while executing transportation tasks ha[...]
2
80%
Journal of Polish CIMAC
EN Paper presents results of an experimental verification of the method of quantitative evaluation of engine operation, presented in the literature, exemplified by a low-power internal combustion piston engine. In accordance with such interpretation, engine operation may be presented as a physical quan[...]
3
80%
Journal of Telecommunications and Information Technology
2006 nr 4 31-38
EN In various types telecommunication networks, namely mobile ad hoc networks, WDM networks and MPLS networks, there is the necessity of calculating disjoint paths for given node to node connections in order to increase the reliability of the services supported by these networks. This leads to the prob[...]
4
80%
Problemy Eksploatacji
2012 nr 1 79-85
PL Celem pracy było porównanie niezawodności autobusów komunikacji miejskiej na przykładzie marki Solaris Urbino 12 i Mercedes-Benz 628 Conecto LF w Miejskim Przedsiębiorstwie Komunikacyjnym w Lublinie. Uwzględniono wskaźniki niezawodności silnika oraz wybranych układów konstrukcyjnych o największej li[...]
EN The purpose of this paper is to present reliability comparison of city transport buses on the example of Solaris Urbino 12 and Mercedes-Benz 628 Conecto LF at Municipal Transport Company in Lublin. Reliability rate of the engine and some of the construction systems with the highest number of defects[...]
5
80%
Journal of KONBiN
2006 No. 1 57--66
EN The paper proposes an approach to the solution of the practically very important problem of linking multi-state systems’ reliability and their operation processes. To involve the interactions between the systems’ operation processes and their reliability structures that are changing in time a semi-m[...]
6
80%
Rynek Energii
2011 nr 2 95-101
PL W artykule przedstawiono sposoby poprawy niezawodności zasilania odbiorców zasilanych z sieci średnich napięć. Do najczęściej spotykanych należą: rezerwowanie zasilania, generacja lokalna, automatyka SPZ oraz zastosowanie samo-czynnych napowietrznych wyłączników (reklozerów). Rozwinięto zagadnienie [...]
EN The article presents methods to improve the reliability of consumers which are supplied from medium voltage networks. The most common are: reserving supply, local generation, automatic reclosing and the use of reclosers. Generation problem has been developed, especially from the point of view of the[...]
7
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Zeszyty Naukowe / Akademia Morska w Szczecinie
2013 nr 33 (105) 100--105
EN Electronic equipment used in transport operates under various conditions. Due to characteristic nature of their application, they should be highly reliable. This paper presents a methodology of optimising a bistable operation process of those systems factoring in economic factors, i.e. the funding a[...]
8
80%
Reports on Geodesy
2011 z. 1/90 341--347
EN Discreet construction of reliable network by adding and removing of observations is very time-consuming (even using computer calculations) and may demand a large, economically forbidding, number of observations or it may not lead to a positive effect anyhow. In this work there is presented a qualita[...]
9
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Journal of Polish CIMAC
EN The paper presents the slide bearing with circulating lubrication as a system of series three-element structure, where lubricating oil is the weakest link. In accordance with the Pierce statement that "strength of chain is the strength of its weakest link", a bearing reliability model has been devel[...]
10
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Journal of KONBiN
2006 No. 1 235--244
EN Paper presents five-phases model of reliability of combined transport system. All phases and activities involved into them are separately described. There is assumption about exponential distribution of time to failure and repair applicated to system and services fluxes.
11
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Journal of KONBiN
2006 No. 2 41--46
EN The paper is focusing on model of an man-machine set for shaping his critical and reliability levels. The meaning of stress, possibility of reliability shaping and assessment indicators of operator operation has been formulated.
12
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Journal of KONBiN
2006 No. 2 141--144
EN The Reliability Enhancement Methodology and Modeling (REMM) can provide alternative metrics from those traditionally used in the engineering community. This problem have outline the metrics available from such techniques and compares them with the more commonly used engineering metrics such as remov[...]
13
80%
Journal of KONBiN
2006 No. 2 261--268
EN The paper presents research methodology of control methods influence on exploitation quality and technical state of the selected transportation devices and precision realised transportation tasks. The example of monitoring system of control process of crane movement and chosen exploitation parameter[...]
14
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Journal of KONBiN
2006 No. 2 317--330
EN The paper presents a cybernetic system that describes the exploitation of technical equipment. It is emphasized that basic parameters of the system include reliability, diagnostics and regulation, therefore mutual relationships between those three parameters are established and described. It is prov[...]
15
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Journal of KONBiN
2006 No. 2 383--390
EN Operation and maintenance factors and the destructive processes of the technical object elements cause unfavourable changes in the values of the significant functional features, leading to a damage. A damage has been defined as exceeding admissible boundary values of these features. In this paper it[...]
16
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Journal of KONBiN
2006 No. 2 391--398
EN In that paper there are presented the models of the non-renewal reliability systems with dependent times to failure of components. Their dependence follows from some common sources of shocks existing in the environment. It is assumed that the failure occurs only because of two independent sources co[...]
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Journal of Telecommunications and Information Technology
2006 nr 1 87-92
EN The modern radio transmission systems are specifically designed for catching principally two main objectives: on one side to provide a radio solution for long distance where large configurations are required to fulfil the high capacity transmissions needs, on the other side to guarantee link quality[...]
18
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Journal of Polish CIMAC
EN The paper presents a failure model of main elements of the crankshaft-piston assembly, based on failures of crankshaft-piston assembly and timing gear system of the Sulzer RD engines, retrieved from the equipment reliability data of selected ships.
19
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International Journal of Applied Mathematics and Computer Science
EN The problem considered in this paper is the minimization of the lifetime variance of a complex system subject to its expected life and economic constraints. The example of a bridge network, in which all elements have constant failure rates, illustrates the problem. A numerical algorithm for solving [...]
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Journal of Theoretical and Applied Mechanics
2001 Vol. 39 nr 2 409-421
PL Ocena stateczności konstrukcji w ujęciu teorii zbiorów rozmytych. Losowość i nieprecyzyjność są dwoma pojęciami o różnych, często mylonych znaczeniach. Losowość jest przedmiotem badań teorii prawdopodobieństwa, natomiast analizą nieprecyzyjności zajmuje się teoria zbiorów rozmytych. W pracy zastosow[...]
EN There are two different concepts that are often used incorrectly - randomness and imprecision. The randomness is described on the basis of the theory of probability, whereas the analysis of the imprecision is a subject of research of the fuzzy sets theory. The theory of reliability uses the Hasofer-[...]
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