Temat: system operation - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reliability assessment of an exemplary system operating at variable conditions
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069201.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system reliability
system operation process
analytical approach
Opis:: The reliability analysis of a multistate complex system subjected to varying in time its operation process is performed. A semi-Markov process is applied to construct the multistate model of the system operation process and its main characteristics are determined. Analytical linking of the system operation process model with the system multistate reliability model is 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 constructed 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 an exemplary system.
Źródło:: Journal of Polish Safety and Reliability Association; 2015, 6, 1; 129--137
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Reliability and risk evaluation of a container gantry crane at variable operation conditions
Autorzy:: Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069538.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability function
risk function
system operation processes
Opis:: The joint model of the system operation process and the system multi-state reliability is applied to the reliability and risk evaluation of the container gantry crane. The container gantry crane is described and its operation process unknown parameters are identified on the basis of real statistical data. The mean values of the container gantry crane operation process unconditional sojourn times in particular operation states are found and applied to determining this process transient probabilities in these states. The container gantry crane different reliability structures in various its operation states are fixed and their conditional reliability functions on the basis of data coming from experts are approximately determined. Finally, after applying earlier estimated transient probabilities and system conditional reliability functions in particular operation states the unconditional reliability function, the mean values and standard deviations of the container gantry crane lifetimes in particular reliability states, risk function and the moment when the risk exceeds a critical value are found. he joint model of the system operation process and the system multi-state reliability is applied to the reliability and risk evaluation of the container gantry crane. The container gantry crane is described and its operation process unknown parameters are identified on the basis of real statistical data. The mean values of the container gantry crane operation process unconditional sojourn times in particular operation states are found and applied to determining this process transient probabilities in these states. The container gantry crane different reliability structures in various its operation states are fixed and their conditional reliability functions on the basis of data coming from experts are approximately determined. Finally, after applying earlier estimated transient probabilities and system conditional reliability functions in particular operation states the unconditional reliability function, the mean values and standard deviations of the container gantry crane lifetimes in particular reliability states, risk function and the moment when the risk exceeds a critical value are found.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 453--464
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Monte Carlo simulation application to reliability assessment of an exemplary system operating at variable conditions
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069213.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system reliability
system operation process
Monte Carlo simulation approach
Opis:: A semi-Markov process is applied to construct the multistate model of the system operation process and its main characteristics are determined. Analytical linking of the system operation process model with the system multistate reliability model is 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 an exemplary system. Next the results of this simulation method application are illustrated and compared with the results obtained by the analytical method.
Źródło:: Journal of Polish Safety and Reliability Association; 2015, 6, 1; 137--144
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Complex technical systems safety prediction
Autorzy:: Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069501.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety function
complex system
Semi-Markov process
system operation process
Opis:: There are presented general safety analytical models of complex multistate technical systems related to their operation processes. They are the integrated general models of complex technical systems, linking their multistate safety models and their operation processes models and considering variable at the different operation states safety structures and their components safety parameters. The conditional safety functions at the system particular operation states and independent of the system particular operation states the unconditional safety function and the risk function of the complex technical systems are defined. These joint models of the safety and the variable in time system operation processes are constructed for multistate series, parallel, “m out of n”, consecutive “m out of n: F”, series-parallel, parallel-series, series-“m out of k”, “mi out of li”-series, series-consecutive “m out of k: F” and consecutive “mi out of li: F”-series systems. The joint models are applied to determining safety characteristics of these systems related to their varying in time safety structures and their components safety characteristics. Under the assumption that the considered systems are exponential, the unconditional safety functions of these systems are determined. The proposed models and methods are applied to the safety analysis, evaluation and prediction of the one subsystem of the port grain transportation system related to varying in time their operation processes, structures and components safety parameters.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 2; 127--142
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Computer aided operation cost prediction of complex technical systems with reserve and improved components
Autorzy:: Kołowrocki, K.
Mazurek, J.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069546.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: complex technical system
operation process optimization
operation cost analysis
improved system
Opis:: There is presented the computer program based on methods and algorithms for prediction of the operation cost of the complex technical system in variable operation conditions. The program allows to determine of the costs of the non-repairable and repairable improved complex technical systems before and after their operation processes optimization. The procedure of the computer program use and its application to operation cost analysis of the exemplary complex technical system.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 345--360
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Computer aided prediction of complex technical systems operation cost
Autorzy:: Kołowrocki, K.
Mazurek, J.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069547.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: complex technical system
operation process optimization
operation cost analysis
transportation system
Opis:: There is presented the computer program is based on methods and algorithms for prediction of the operation cost of the complex technical system in variable operation conditions. The program allows to determine of the costs of the non-repairable and repairable complex technical systems before and after their operation processes optimization. The procedure of the computer program use and its application to operation cost analysis of the port oil transportation system are given.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 337--344
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Reliability of large port grain transportation system
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2069510.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
multistate system
ageing
large system
operation process
grain transportation system
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.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 2; 77--86
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Reliability prediction and optimization of complex technical systems with application in port transport
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069474.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: complex system
reliability
operation process
prediction
optimization
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.
Źródło:: Journal of Polish Safety and Reliability Association; 2012, 3, 2; 263--278
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Computer-aided characteristics prediction of complex technical systems operation processes
Autorzy:: Blokus-Roszkowska, A.
Guze, S.
Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069523.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: operation processes
prediction
complex systems
transport system
Opis:: In the paper, the procedures of the prediction of complex technical system operation process’ characteristics are described. Furthermore, the computer program for prediction of the operations processes capabilities with description are presented. As the application of this computer program, the characteristics’ prediction of the port oil transportation technical system operation process is shown.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 241--246
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Reliability of complex system under operation process influence : Monte Carlo simulation Approach
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069246.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: multistate system
operation process
complex system
reliability
Monte Carlo simulation method
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.
Źródło:: Journal of Polish Safety and Reliability Association; 2015, 6, 1; 145--154
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Computer-aided identification of complex technical systems operation processes
Autorzy:: Blokus-Roszkowska, A.
Guze, S.
Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069513.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: operation processes
statistical identification
complex systems
transport system
Opis:: In the paper, the procedures of the identification of complex technical system operation process and identifying the distributions of the system conditional sojourn times in the operation states are described. Furthermore, the computer program for identification of the operations processes capabilities with description are presented. As the application of this computer program, the identification of the ferry technical system operation process is shown.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 235--240
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Komputerowa optymalizacja niezawodności i ryzyka lądowego linowego transportera statków
Computer reliability and risk optimisation of the ground ship-rope transporter
Autorzy:: Blokus-Roszkowska, A.
Guze, S.
Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/257877.pdf
Data publikacji:: 2011
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
Tematy:: proces eksploatacji
niezawodność
optymalizacja
system transportowy
operation process
reliability
optimisation
transportation system
Opis:: W artykule przedstawiona jest metoda optymalizacji procesu eksploatacji i niezawodności złożonych systemów technicznych oraz program komputerowy pozwalający na automatyczne zastosowanie proponowanej procedury. Program wyznacza chwilowe prawdopodobieństwa przebywania systemu w poszczególnych stanach eksploatacyjnych, które maksymalizują czasy przebywania systemu w podzbiorach stanów niezawodnościowych nie gorszych niż stan krytyczny, a następnie korzystając z otrzymanych rezultatów pozwala na predykcję optymalnych charakterystyk niezawodności i ryzyka złożonych systemów technicznych. Program jest zastosowany do optymalizacji niezawodności i ryzyka lądowego linowego transportera statków. Ustalone są następujące optymalne charakterystyki: optymalna bezwarunkowa funkcja niezawodności systemu, optymalne wartości średnie bezwarunkowych czasów przebywania systemu w podzbiorach stanów niezawodnościowych, optymalna funkcja ryzyka systemu oraz optymalny moment, kiedy funkcja ryzyka przekroczy ustalony poziom.
The presented computer program for the evaluation and prediction of the complex technical system reliability and risk of optimal characteristics is based on methods and algorithms of optimisation presented in [2, 6, 7]. The computer program determines the transient probabilities in particular operation states maximising the system lifetimes in the reliability-state subset not worse than the system critical reliability state and then using the obtained results to evaluate optimal reliability and risk characteristics of the complex technical systems. In order to illustrate the application of the computer program, we determined optimal reliability and risk characteristics of a ground ship-rope transporter. Presented in the paper is the reliability and risk optimisation of a real shipyard system that can be an example of a computer aid for the operation process of transportation systems.
Źródło:: Problemy Eksploatacji; 2011, 1; 45-56
1232-9312
Pojawia się w:: Problemy Eksploatacji
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Preliminary approach to safety analysis of critical infrastructures
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069426.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
multistate system
aging
operation process
dependability
critical infrastructure
Opis:: In the paper the new results of the safety investigations of the multistate complex systems with dependent components at variable operation conditions called critical infrastructures are presented. The multi-state safety function of the critical infrastructure system is defined and determined for an exemplary critical infrastructure. In the developed models, it is assumed that the system components have the multistate exponential safety functions with interdependent departures rates from the subsets of the safety states.
Źródło:: Journal of Polish Safety and Reliability Association; 2012, 3, 1; 73--88
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Operation and reliability optimization of complex technical systems
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069477.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
multistate system
ageing
operation process
optimization
exemplary application
Opis:: Modelling and prediction of the operation and reliability of technical multistate ageing systems related to their operation processes called complex systems are briefly presented and applied to prediction of the operation processes and reliability characteristics of an exemplary complex non-homogeneous system composed of a series-parallel and a series-“m out of l” subsystems linked in series, changing its reliability structure and its components reliability parameters at variable operation conditions. Further, the linear programming is proposed to the operation and reliability optimization of complex technical systems operating at variable operation conditions. The method consists in determining the optimal values of limit transient probabilities at the system operation states that maximize the system lifetimes in the reliability state subsets. The proposed method is practically applied to the operation and reliability optimization of the considered exemplary complex system.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 1; 91--106
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Application of critical infrastructure safety modelling in port transport
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/134979.pdf
Data publikacji:: 2015
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: safety
multi-state system
ageing
operation process
dependability
critical infrastructure
Opis:: A new approach is proposed for safety investigations of complex multistate systems. These systems have dependent components, called critical infrastructures, with variable operating conditions. The safety function of the critical infrastructure system is defined and determined for an exemplary “m out of l” critical infrastructure. In the fully-developed model, it is assumed that system components have multistate exponential safety functions with interdependent departure rates from subsets of safety states. A critical infrastructure safety model is adopted for an oil pipeline transportation system operating in a maritime port.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 44 (116); 128-134
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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