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Wyszukujesz frazę "process system" wg kryterium: Temat


Tytuł:
Preliminary reliability, risk and availability analysis and evaluation of bulk cargo transportation system in variable operation conditions
Autorzy:
Kołowrocki, K.
Kwiatuszewska-Sarnecka, B.
Soszyńska, J.
Tematy:
system operation process
multi-state system
reliability
risk
availability
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069686.pdf  Link otwiera się w nowym oknie
Opis:
In the paper, definitions and theoretical results on system operations process, multi-state system reliability, risk and availability modelling are illustrated by the example of their application to a bulk cargo transportation system operating in Gdynia Port Bulk Cargo Terminal. The bulk cargo transportation system is considered in varying in time operation conditions. The system reliability structure and its components reliability functions are changing in variable operation conditions. The system reliability structures are fixed with a high accuracy. Whereas, the input reliability characteristics of the bulk cargo transportation system components and the system operation process characteristics are not sufficiently exact because of the lack of statistical data. Anyway, the obtained evaluation may be a very useful example in simple and quick systems reliability characteristics evaluation, especially during the design and improving the transportation systems operating in ports.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Statistical identification and prediction of the port oil pipeline system’s operation process and its reliability and risk evaluation
Autorzy:
Kołowrocki, K.
Soszyńska, J.
Tematy:
semi-Markov processes
system operations process
reliability
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069675.pdf  Link otwiera się w nowym oknie
Opis:
In the paper a Semi-markov processes are used to construct a general model of complex industrial systems’ operation processes. Main characteristics of this model are determined as well. In particular case, for a port oil pipeline transportation system, its operation states are defined, the relationships between them are fixed and particular model of its operation process is constructed and its main characteristics are determined. Further, the joint model of the system operation process and the system reliability is defined and applied to the reliability and risk evaluation of the port oil pipeline transportation system.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena niezawodności i gotowości stoczniowego systemu transportu linowego
Reliability and Availability Evaluation of a Ship-Rope Transportation System
Autorzy:
Blokus-Roszkowska, A.
Kołowrocki, K.
Tematy:
Inżynieria Ruchu Morskiego 2005
portowe systemy transportowe
proces eksploatacji systemu
niezawodność
gotowość
port transportation systems
system operation process
reliability
availability
Pokaż więcej
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:
https://bibliotekanauki.pl/articles/906308.pdf  Link otwiera się w nowym oknie
Opis:
Przedstawiono połączenie wyników dotyczących niezawodności systemów z uwzględnieniem ich procesów eksploatacji i wyników dotyczących granicznych funkcji niezawodności systemów równoległo-szeregowych. Zastosowanie asymptotycznego podejścia do oceny niezawodności i gotowości wielostanowego systemu równoległo-szeregowego w zmiennych warunkach eksploatacyjnych zostało zaprezentowane na przykładzie stoczniowego systemu transportu linowego.
The paper presents the results on systems' reliability related to their operation processes and the results on limit reliability functions of parallel-series systems. The results of the asymptotic approach to the evaluation of multi-state parallel-series system reliability and availability are presented. Finally, their application to the ship-rope transportation system evaluation is given.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability, availability and safety of complex technical systems : modelling – identification – prediction – optimization
Autorzy:
Kołowrocki, K.
Soszyńska, J.
Tematy:
reliability
safety
multistate system
operation process
complex system
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069542.pdf  Link otwiera się w nowym oknie
Opis:
There is presented a practically well grounded approach concerned with the identification, evaluation, prediction and optimization of reliability, availability and safety of technical systems related to their operation processes. The main emphasis of this approach is on multi-state systems composed of ageing components and changing during the operation processes their structures and their components reliability and safety characteristics. There are proposed the convenient tools for analyzing these systems in the form of semi-markov modeling the systems’ operation processes and multistate modeling the systems’ reliability. There are described theoretical results of the proposed approach to reliability and safety analysis of multistate systems with degrading components in their operation processes and the possibility of their practical applications to the reliability and safety analysis and optimization of the complex technical port and maritime transportation systems.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the Demand Planning Process on Logistic System Reliability. Case Study
Autorzy:
Szozda, Natalia
Werbińska-Wojciechowska, Sylwia
Tematy:
demand planning process
reliability
logistic system
Pokaż więcej
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Powiązania:
https://bibliotekanauki.pl/articles/504072.pdf  Link otwiera się w nowym oknie
Opis:
Authors define the main elements affecting the right logistic system performance level and investigate the possible connections between demand process planning quality and logistic system reliability. Thus, known in the literature definitions of logistic system reliability are characterized. Later, an overview of some recent developments in the analyzed research area is provided. In the next point, authors present the main elements affecting the reliable and available logistic system performance. Finally, the paper is ended by the presentation of the obtained analysis results in comparison with the knowledge about the case companies’ present condition.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability of large port grain transportation system
Autorzy:
Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Tematy:
reliability
multistate system
ageing
large system
operation process
grain transportation system
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069510.pdf  Link otwiera się w nowym oknie
Opis:
The combination of the results on the reliability of complex multi-state systems related to their operation processes and the results concerning the limit reliability functions of the multistate systems is proposed, to obtain the results on the asymptotic approach to the evaluation of the large complex multi-state systems reliability at the variable operation conditions. The asymptotic approach to the large complex system reliability evaluation and the large complex system limit reliability function are defined. Limit reliability functions of selected large complex systems composed of components having Weibull reliability functions are fixed. The way of using this results is illustrated by their application to the evaluation of reliability characteristics of the large complex port grain transportation subsystem composed of three large multistate non-homogeneous series systems and changing its reliability structure and its components reliability parameters at variable operation conditions.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Operational reliability of heat supply systems
Autorzy:
Babiarz, B.
Tematy:
reliability
heat supply system
operation process
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069555.pdf  Link otwiera się w nowym oknie
Opis:
The paper contains an analysis of the operational process of heat supply system with taking into consideration its reliability. The specific character of the operation of heat-supply systems has been considered in this work. In the process of the exploitation of heat-supply systems there have been distinguished five operational states, assuming as a criterion of the level of indoor temperature decrease in residential rooms. The method of modelling the operational reliability of heat-supply systems is worked out. The methodology of determining the overall index of heat-supply system reliability has been presented. The measure of heat-supply system reliability has been assumed as the scale/quantity of inadequate supply of heat power at a given state. Calculations have been carried out regarding the changeability of exterior conditions for one of the groups of customers – residential users. On the basis of the operational data for the heat supply system with two heat sources shortage quantities of heat power and the probability of their occurrence have been calculated as an application of this methodology.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability prediction and optimization of complex technical systems with application in port transport
Autorzy:
Kołowrocki, K.
Soszyńska-Budny, J.
Tematy:
complex system
reliability
operation process
prediction
optimization
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069474.pdf  Link otwiera się w nowym oknie
Opis:
There are presented the methods of the reliability prediction and optimization of complex technical systems related to their operation processes. The general model of the reliability of complex technical systems operating at variable operation conditions linking the semi-Markov modeling of their operation processes with the multistate approach to their reliability analysis and the linear programming are applied in maritime industry to the reliability and risk prediction and optimization of the container gantry crane.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability analysis of complex shipyard transportation system with dependent components
Autorzy:
Blokus-Roszkowska, A.
Kołowrocki, K.
Tematy:
reliability
multi-state system
ageing
operation process
dependability
complex system
shipyard transportation system
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069360.pdf  Link otwiera się w nowym oknie
Opis:
In the paper an approach to the reliability analysis of multi-state systems with dependent components operating at variable operation conditions is presented. The multi-state reliability function of complex system is defined and determined for the shipyard rope ship elevator. In developed models, it is assumed that system components have the multi-state exponential reliability functions with interdependent departures rates from the subsets of reliability states.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability of complex system under operation process influence : Monte Carlo simulation Approach
Autorzy:
Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Tematy:
multistate system
operation process
complex system
reliability
Monte Carlo simulation method
Pokaż więcej
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Powiązania:
https://bibliotekanauki.pl/articles/2069246.pdf  Link otwiera się w nowym oknie
Opis:
The paper presents Monte Carlo simulation method applied to the reliability evaluation of a multistate system subjected to a variable multistate operation process. The system operation process model is linked with the system reliability model and proposed to get a general reliability model of the complex system operating at varying in time operation conditions and to find its reliability characteristics. The Monte Carlo simulation algorithm based on the integrated general model of a complex multistate system reliability, linking its reliability model and its operation process model and considering variable at different operation states its reliability structure and its components reliability parameters is applied to the reliability evaluation of port grain transportation system. Next the results of this simulation method application are illustrated and compared with the results obtained by the analytical method.
Dostawca treści:
Biblioteka Nauki
Artykuł

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