Temat: MULTI - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reliability and risk analysis of multi-state systems with degrading components
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069716.pdf
Data publikacji:: 2008
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: multi-state systems
system reliability
system risk
Opis:: Applications of multi-state approach to the reliability evaluation of systems composed of independent components are considered. The main emphasis is on multi-state systems with degrading components because of the importance of such an approach in safety analysis, assessment and prediction, and analysing the effectiveness of operation processes of real technical systems. The results concerned with multi-state series systems are applied to the reliability evaluation and risk function determination of a homogeneous bus transportation system. Results on homogeneous multi-state “m out of n” systems are applied to durability evaluation of a steel rope. A nonhomogeneous series-parallel pipeline system composed of several lines of multi-state pipe segments is estimated as well. Moreover, the reliability evaluation of the model homogeneous multi-state parallel-series electrical energy distribution system is performed.
Źródło:: Journal of Polish Safety and Reliability Association; 2008, 2; 205--216
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:: On multi-state safety analysis in shipping
Autorzy:: Dziula, P.
Jurdziński, M.
Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069623.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
multi-state system
operation process
complex system
shipping
Opis:: A multi-state approach to defining basic notions of the system safety analysis is proposed. A system safety function and a system risk function are defined. A basic safety structure of a multi-state series system of components with degrading safety states is defined. For this system the multi-state safety function is determined. The proposed approach is applied to the evaluation of a safety function, a risk function and other safety characteristics of a ship system composed of a number of subsystems having an essential influence on the ship safety. Further, a semi-Markov process for the considered system operation modelling is applied. The paper also offers a general approach to the solution of a practically important problem of linking the multi-state system safety model and its operation process model. Finally, the proposed general approach is applied to the preliminary evaluation of a safety function, a risk function and other safety characteristics of a ship system with varying in time its structure and safety characteristics of the subsystems it is composed of.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 1; 83--96
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:: 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.
Powiązania:: https://bibliotekanauki.pl/articles/2069686.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system operation process
multi-state system
reliability
risk
availability
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.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 179--188
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:: 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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Skocz do pozycji: 5.

Tytuł:: Application of multistate systems safety modelling in maritime transport
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/135066.pdf
Data publikacji:: 2016
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: safety
multi-state system
ageing
operation process
maritime transport
risk
Opis:: Basic concepts of the safety analysis of ageing multistate systems are introduced. The system components and the system multistate safety functions are defined. The mean values and variances of the multistate systems’ lifespans in the safety state subsets and the mean values of their lifespans in the particular safety states are defined. The multistate system risk function and the moment of exceeding the critical safety state are introduced. A series safety structure and a parallel-series safety structure of the multistate systems with ageing components are defined and their safety functions are determined. The multistate system safety models are applied to the prediction of safety characteristics of a maritime ferry.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 114-119
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Wielostanowe podejście do analizy bezpieczeństwa systemów
Multi-state approach to system safety analysis
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/327666.pdf
Data publikacji:: 2006
Wydawca:: Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:: bezpieczeństwo systemów
systemy wielostanowe
diagnostyka
system safety
multi-state systems
diagnostics
Opis:: Zaproponowane jest wielostanowe podejście do zdefiniowania podstawowych pojęć analizy i diagnozowania bezpieczeństwa systemów. Zdefiniowane są funkcja bezpieczeństwa systemu i funkcja ryzyka systemu. Zdefiniowane są podstawowe struktury wielostanowych systemów elementów z pogarszającymi się stanami bezpieczeństwa. Dla tych systemów wyznaczone są funkcje bezpieczeństwa. Proponowane podejście jest zastosowane do oceny funkcji bezpieczeństwa, funkcji ryzyka oraz innych charakterystyk bezpieczeństwa systemu transportu rurociągowego, kabla energetycznego oraz liny stalowej.
A multi-state approach to defining basic notions of the system safety analysis and diagnosis is proposed. A system safety function and a system risk function are defined. Basic safety structures of multi-state systems of components with degrading safety states are defined. For these systems the multi-state safety functions are determined. The proposed approach is applied to the evaluation of safety functions, risk functions and other safety characteristics of a piping transportation system, an energetic cable and a steel rope.
Źródło:: Diagnostyka; 2006, 2(38); 135-142
1641-6414
2449-5220
Pojawia się w:: Diagnostyka
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Reliability analysis of complex shipyard transportation system with dependent components
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069360.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
multi-state system
ageing
operation process
dependability
complex system
shipyard transportation system
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.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 1; 21--32
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 analysis of multi-state ageing consecutive „k out of n: F” systems
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069622.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: multi-state system
ageing system
consecutive “k out of n : F” system
reliability
Opis:: A multi-state approach to reliability analysis of systems composed of ageing components is introduced and basic reliability characteristics for such systems are defined. Further, a multi-state consecutive “ k out of n : F” system composed of ageing components is defined and the recurrent formulae for its reliability function are proposed. Moreover, the application of the proposed reliability characteristics and formulae to reliability evaluation of the steel cover composed of ageing sheets is illustrated.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 1; 173--180
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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