Autor: Kolowrocki, K. - 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:: Safety of critical infrastructures
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069352.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure
safety
hazards
accident consequences
modeling
identification
prediction
optimization
Opis:: The paper presents a general approach to safety analysis of critical infrastructures that aims to suggest new and to develop existing methods and tools capable of supporting intelligent modeling and decision making in controlling and optimizing the safety of those systems and their accidents consequences risk. Its main focus is on the suggestions of the creation and usage of new techniques, procedures and strategies to improve and to optimize safety of real complex infrastructure systems related to the inside dependencies – among their subsystems and components and the outside dependencies – coming from their operation environment and from other dangerous events and natural hazards. The approach tries to create an original and coherent methodology of safety of critical infrastructures useful in ensuring and improving safety of those systems in various industrial sectors by providing an integrated package of solutions consisting of various packages of theoretical and practical tools ready for direct use by safety theoreticians and practitioners dealing with safety of real critical infrastructures.
Źródło:: Journal of Polish Safety and Reliability Association; 2013, 4, 1; 51--72
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:: Reliability modelling of complex systems. Part 2
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069591.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
large system
asymptotic approach
limit reliability function
Opis:: Series-“m out of n” systems and “m out of n”-series systems are defined and exemplary theorems on their limit reliability functions are presented and applied to the reliability evaluation of a piping transportation system and a rope elevator. Applications of the asymptotic approach in large series systems reliability improvement are also presented. The paper is completed by showing the possibility of applying the asymptotic approach to the reliability analysis of large systems placed in their variable operation processes. In this scope, the asymptotic approach to reliability evaluation for a port grain transportation system related to its operation process is performed.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 2; 231--242
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:: Conclusions from the workshop on Baltic Sea region critical infrastructure networks and next steps in EU-CIRCLE project research
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069034.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: Baltic Sea region
critical infrastructure
networks
Opis:: The report is devoted to the next steps in the Gdynia Maritime University team EU-CIRCLE project “A pan – European framework for strengthening Critical Infrastructure resilience to climate change” research activity after preliminary analysis of main static and dynamic industry critical infrastructures existing in the Baltic Sea Region performed to classify them as either a single critical infrastructure network or a network of critical infrastructure networks.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 2; 73--82
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:: Reliability of large and complex systems : state of art
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069522.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
two-state system
multistate system
ageing
operation process
complex system
optimization
applications
Opis:: The author’s latest monograph “Reliability of large and complex systems” published by Elsevier in 2014 is presented. The paper is composed of an introduction, the monograph contents, conclusions and the references the monograph contents is based on.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 2; 63--76
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:: Reliability modelling of complex systems. Part 1
Autorzy:: Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069590.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
large system
asymptotic approach
limit reliability function
Opis:: The paper is concerned with the application of limit reliability functions to the reliability evaluation of large systems. Two-state large non-repaired systems composed of independent components are considered. The asymptotic approach to the system reliability investigation and the system limit reliability function are defined. Two-state homogeneous series, parallel and series-parallel systems are defined and their exact reliability functions are determined. The classes of limit reliability functions of these systems are presented. The results of the investigation concerned with domains of attraction for the limit reliability functions of the considered systems and the investigation concerned with the reliability of large hierarchical systems as well are discussed in the paper. The paper contains exemplary applications of the presented facts to the reliability evaluation of large technical systems.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 2; 219--230
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:: Optimization of Operation and Safety of Global Baltic Network of Critical Infrastructure Networks (GBNCIN) with Considering Climate-Weather Change Process (C-WCP) influence – Minimizing GBNCIN Operation Cost
Autorzy:: Dziula, P.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068743.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure
critical infrastructure network
operation process
climate-weather change process
network of critical infrastructure networks
Opis:: The paper presents a method of the GBNCIN operation and safety, with considering the climate-weather change process, safety optimization. Basic characteristics of the critical infrastructure operation process related to climateweather change process are shown. Then, the GBNCIN operation cost related to climate-weather change is introduced. Furthermore, by analysis of the operation cost of the GBNCIN impacted by the operation process, related to the climate-weather change process, and its conditional safety functions, mean values of the total sojourn times at particular operation states during certain sufficiently large GBNCIN operation time are fixed. Finally, the GBNCIN operation cost related to climate-weather change minimization, and cost analysis of the GBNCIN operation impacted by climate-weather change, are presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 1; 53--60
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:: Optimization of Operation and Safety of Global Baltic Network of Critical Infrastructure Networks (GBNCIN) with Considering Climate-Weather Change Process (C-WCP) influence – Maximizing GBNCIN Lifetime in the Set of Safety States not worse than a Critical Safety State
Autorzy:: Dziula, P.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068745.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure
critical infrastructure network
operation process
network of critical infrastructure networks
Opis:: The paper presents a method of the GBNCIN operation and safety, with considering the climate-weather change process, safety optimization. Basic characteristics of the critical infrastructure operation process related to climateweather change process are shown. Then, optimal transient probabilities of the GBNCIN Operation Process at Operation States Related to Climate-Weather Change Process, and the GBNCIN optimal safety and resilience indicators, are introduced. By defining unconditional multistate safety function of the GBNCIN, and corresponding optimal risk function, the optimal coefficients of the operation process related to the climateweather change impact on the GBNCIN intensities of degradation, have been determined. Finally, optimal sojourn times of the GBNCIN operation process at operation states, related to climate-weather change process and operation strategy, are presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 1; 17--26
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:: Optimization of Operation and Safety of Baltic Port and Shipping Critical Infrastructure Network with Considering Climate-Weather Change Influence – Maximizing Lifetime in the Set of Safety States Not Worse Than a Critical Safety State
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068746.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure network
operation process
climate-weather change process
safety lifetime maximization
port
shipping
Opis:: The paper is devoted the optimization of operation process and maximization of safety lifetimes for Baltic Port and Shipping Critical Infrastructure Network (BPSCIN) at variable operation conditions related to the climateweather change. For this network, the optimal transient probabilities of BPSCIN operation process at operation states related to climate-weather change that maximize the mean value of BPSCIN safety lifetimes are found. Finally, the optimal safety and resilience indicators of considered network are presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 1; 27--34
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:: Optimization of Operation and Safety of Baltic Port and Shipping Critical Infrastructure Network with Considering Climate-Weather Change Influence – Minimizing Critical Infrastructure Network Operation Cost
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068751.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure network
operation process
climate-weather change process
operation cost
optimization
port
shipping
Opis:: The paper is devoted the optimization of operation process and minimization of operation cost for Baltic Port and Shipping Critical Infrastructure Network (BPSCIN) at variable operation conditions related to the climateweather change. For this network, the optimal transient probabilities that minimize the mean value of the total operation costs are found. Finally, cost analysis of BPSCIN operation impacted by climate-weather change is presented in case the BPSCIN is non-repairable and in case it is repairable after exceeding its critical safety state.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 1; 61--70
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:: Integrated Impact Model on Global Baltic Network of Critical Infrastructure Networks Safety Related to Its Operation Process
Autorzy:: Dziula, P.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068788.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
Global Baltic Network
critical infrastructure network
Network of Networks
Opis:: The purpose of the paper is to present the impact model for Global Baltic Network of Critical Infrastructure Networks (GBNCIN), related to its operation process. At first, basic issues regarding the GBNCIN operation at variable conditions have been described. Then, aspects regarding safety of the multistate GBNCIN at Variable operation conditions have been pointed. Finally, safety characteristics of multistate GBNCIN, consisting of exponential BCIN Networks at variable operation conditions are presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 103--112
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:: Integrated Impact Model on Baltic Port and Shipping Critical Infrastructure Network Safety Related to Its Operation Process…
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068799.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port
shipping
critical infrastructure
safety
operation process
impact model
network
Opis:: The main aim of the paper is the adaptation of the known methods for safety modelling related to the operation process for Baltic Port and Shipping Critical Infrastructure Network. To realize this goal, the description of the four critical infrastructure networks, i.e. Baltic Port, Shipping, Ship traffic and port operation, and finally Baltic Port and Shipping are provided. The basic notations for operation process and multi-state CIN safety analysis for them are introduced. Furthermore, the Baltic Port and Shipping Critical Infrastructure Network safety function and its risk function are proposed. The practically significant critical infrastructure network safety indices like mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the component and critical infrastructure network intensities of ageing/degradation and the coefficients of operation impact on component and critical infrastructure network intensities of ageing are presented for four CIs considered in the paper.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 77--102
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: General Model of Critical Infrastructure Accident Consequences Application to Chemical Spill Consequences Generated by Dynamic Ship Critical Infrastructure Network Operating at the Baltic Sea Waters. Part 1. Process of Initiating Events
Autorzy:: Bogalecka, M.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068805.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: Baltic Sea region
critical infrastructure
sea accident
accident consequences
initiating events
Opis:: In the paper, the process of initiating events at the Baltic Sea area identification is performed. Next, the main characteristics of this process are predicted.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 3; 117--122
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:: Modelling Safety of Baltic Port and Shipping Critical Infrastructure Network
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068808.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
critical infrastructure network
Baltic Port
modelling
Opis:: In the paper, the three critical infrastructure networks are introduced, i.e. port, shipping, and ship traffic and port operation information. For every of them the main safety paremeters are defined. Furthermore, the multistate system component and the multistate system main safety characteristics, i.e. their mean values of the lifetimes and in the safety state subsets and in the particular safety states and standard deviations and the moment when the system risk function exceeds a fixed permitted level are determined. Finally, the Baltic Port and Shipping Critical Infrastructure Network is defined and described in the same way.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 3; 55--72
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:: EU-CIRCLE: A pan-European framework for strengthening critical infrastructure resilience to climate change Project taxonomy and methodology : Critical infrastructure accident consequences terminology and methodology
Autorzy:: Bogalecka, M.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068871.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure
accident consequences
modelling
prediction
Opis:: The paper presents critical infrastructure accident consequences terminology, used in the project titled “A panEuropean framework for strengthening Critical Infrastructure resilience to climate change – EU-CIRCLE”, realized under the European Union’s Horizon 2020 research and innovation program. The methodology concerned with EU-CIRCLE project Case Study 2, investigating chemical spill due to extreme surges related to critical infrastructure accident consequences modelling in the scope of project issues is proposed as well.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 1; 247--258
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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