Wszystkie pola: availability - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Selected issues of reliability and availability in marine vessel fire alarm systems
Autorzy:: Bistrović, Miroslav
Powiązania:: https://bibliotekanauki.pl/articles/135156.pdf
Data publikacji:: 2019
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: reliability
safety
protection
availability
fire alarm system
human factor
Opis:: Today, every industry is striving for the highest efficiency and best economic results possible, with the greatest possible competitiveness. But in maritime affairs, human safety and environmental protection are the foundations of sustainability. To achieve this, marine systems must be reliable, high quality and easy to maintain. Because of this, reliability has become an important factor in safety, which remains relevant throughout the lifetimes of ship systems, including fire alarm systems. In this paper we address a number of issues connected with the reliability – and ‘availability’ of these systems. Firstly, ship fire alarm systems consist of various components whose individual reliability affect the system’s overall reliability. Discussions of reliability in ship fire alarm systems normally focus on the length of a system’s useful life or performance during design-based fire events. In addition to the reliability of systems, their availability for use is also crucial given the possibility that the system may need to operate at any point in time.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2019, 60 (132); 177-183
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The quantification method of functional availability military vehicles
Autorzy:: Przybysz, Kamil
Powiązania:: https://bibliotekanauki.pl/articles/1537426.pdf
Data publikacji:: 2020
Wydawca:: Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:: functional availability
safety
reliability
semi-Markov models
dostępność funkcjonalna
bezpieczeństwo
niezawodność
model semi-Markowa
Opis:: The availability is one of the most important feature of a technical object which shapes its operational quality. The paper undertakes the issue related to the quantification of functional availability of vehicles, with reference to reliability aspects. The conducted exploitation research paved the way for elaborating methods of determining functional availability for vehicles, in particular focusing on reliability. The essential research was conducted using the developed mathematical model based on the probabilistic, stochastic Markov process, which allowed modelling the process of changes in the exploitation states of vehicles. In view of the above, it is essential to develop methods that enable the most accurate estimation of the functional availability of vehicles. Knowing the values of functional availability, we can estimate the probability of performing assigned tasks and precisely control the vehicle exploitation system, especially in terms of availability, which is important for vehicles. This work presents a method for determining the functional availability of vehicles, taking into account the limitations introduced by the vehicle exploitation system. Particular attention was paid to the possibility of using probabilistic, stochastic semiMarkov models, whose rules and method of creation were generally described, with regard to the ability to acquire operational data in the vehicle exploitation system.
Źródło:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2020, 4; 1-11
2450-1859
2450-8721
Pojawia się w:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Reliability, availability, and maintainability analysis of the propulsion system of a fleet
Autorzy:: Bayraktar, Murat
Nuran, Mustafa
Powiązania:: https://bibliotekanauki.pl/articles/24202522.pdf
Data publikacji:: 2022
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: ship propulsion system
reliability
availability
maintainability
RWB software
RAM analysis
Opis:: New systems are produced and developed to meet specific needs, and their reliability is the most important issue. In the maritime industry, evaluating failures in a ship’s propulsion system results in high costs and the loss of prestige for the company. Land/sea fleet employees need to detect and minimize the failures that may occur in ship propulsion systems in advance to ensure the continuity of the ships’ operations. In this study, the recorded failure data of four different ships belonging to a fleet in the last 10 years are used. Failures were examined as a whole since the ships have similar propulsion systems. The obtained failure data were grouped, and the average time to fix the failures was determined by the chief engineer and made suitable for reliability, availability, and maintainability (RAM) analysis. A suitable model was created for grouped failures by Isograph’s RWB software. As a result of the analysis of the propulsion system and its subsystems, the main engine of the ship was shown to have the best reliability. Furthermore, the most important components were the cylinders of the main engine as subsystems. This study highlights the components that are important to the reliability of a propulsion system. Thanks to the RAM analysis, improvements can be pinpointed on a ship’s propulsion system, which will increase the operations of the maritime industry. Reducing failures will further increase the confidence in maritime transport and strengthen its place among the modes of transportation. This study provides a valuable resource for academicians, experts, as well as companies working on reliability, availability, and maintainability in the future.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 70 (142); 63--70
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Reliability and availability of a ground ship-rope transporter in variable operation conditions
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069683.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: transportation system
reliability
risk
availability
system operation proces
Opis:: In the paper the environment and infrastructure influence of the ground ship-rope transporter operating in Naval Shipyard in Gdynia on its operation processes is considered. The results are presented on the basis of a general model of technical systems operation processes related to their environment and infrastructure. The transporter operation process is described and its statistical identification is given. Next, the reliability, risk and availability evaluation of the transporter in variable operation conditions is presented. In addition, the reliability and availability basic characteristics of the system assuming its components’ failure dependence are determined. Finally, the obtained results for the ground ship-rope transporter under the assumption that its components are dependent and independent are compared.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 43--56
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 and availability of a shipyard ship-rope elewator in variable operation conditions
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069697.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: transportation system
reliability
risk
availability
system operation proces
Opis:: In the paper the environment and infrastructure influence of the ship-rope elevator operating in Naval Shipyard in Gdynia on its operation processes is considered. The results are presented on the basis of a general model of technical systems operation processes related to their environment and infrastructure. The elevator operation process is described and its statistical identification is given. Next, the elevator is considered in varying in time operation conditions with different its components’ reliability functions in different operation states. Finally, the reliability, risk and availability evaluation of the elevator in variable operation conditions is presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 57--66
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:: Functional availability studies of military vehicles in terms of operation intensity
Autorzy:: Przybysz, Kamil
Powiązania:: https://bibliotekanauki.pl/articles/1537510.pdf
Data publikacji:: 2020
Wydawca:: Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:: functional availability
reliability
operation intensity
military vehicles
funkcjonalna dostępność
niezawodność
intensywność operacji
pojazdy wojskowe
Opis:: Keeping vehicles technically suitable is strictly dependent on the intensity and nature of the damage. Determining the factors influencing functional availability comes down to investigating the causes of vehicle damage. Studies and analysis of the results have confirmed that functional availability for military vehicles can be estimated, taking into account vehicle intensity and reliability. The intensity of use may be taken into account by appropriate selection of layer tests, classified by intensity of use and by observing changes in functional availability with an increase in the number of trips, reflecting the intensity of use. Studies have found that the intensity of use in the range of average intensity of use of military vehicles does not significantly differentiate the level of availability.
Źródło:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2021, 1; 48-54
2450-1859
2450-8721
Pojawia się w:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Reliability, risk and availability based optimization of complex technical systems operation processes. Part 1, Theoretical backgrounds
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069687.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
availability
complex system
operation process
optimization
Opis:: A convenient new tool for solving the problem of reliability and availability evaluation and optimization of complex technical systems is presented. Linking a semi-markov modeling of the system operation processes with a multi-state approach to system reliability and availability analysis is proposed to construct the joint general model of reliability and availability of complex technical systems in variable operation conditions. This joint model and a linear programming is proposed to complex technical systems reliability and availability evaluation and optimization respectively.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 189--196
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:: The attempt to quantify operational availability of exploited vehicles awaiting functioning
Autorzy:: Kruk, Z.
Powiązania:: https://bibliotekanauki.pl/articles/348487.pdf
Data publikacji:: 2015
Wydawca:: Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:: military means of transport
operational availability
reliability
dependability
indicators
intensity of use
service life
wear out
Opis:: Quantification of operational availability at any moment, of cars utilized in action operations is the result of the processed information from the monitoring of use and maintenance processes. The collection of information on the monitoring processes and its structure are secondary to the applied preparedness and reliability indicators. This study, based on data from the literature and normative acts, contains the characteristics of the preparedness models used in the military transportation system and the indicators used for controlling its exploitation. The specific issue in this approach is an attempt to indicate how to assess the impact of the vehicle wear on their preparedness, reliability and availability. Not only the need, but also the possibility to account for this impact, was justified by empirical characterization of damageability of the vehicles operated with varying intensity of use. Varying intensity of use of vehicles suitable for a variety of cargo shipments, is a characteristic phenome-non in the system with action specificity like the military transportation system in the status of waiting for the full functioning. The study also attempted to utilize index, defined in the defence standards, for quantification of operational availability of vehicles utilized in the system with action characteristics, and also an attempt to identify their reliability and availability.
Źródło:: Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki; 2015, 3; 43-54
1731-8157
Pojawia się w:: Zeszyty Naukowe / Wyższa Szkoła Oficerska Wojsk Lądowych im. gen. T. Kościuszki
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Computer-aided prediction of the renewal and availability characteristics of complex technical systems
Autorzy:: Blokus-Roszkowska, A.
Guze, S.
Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069550.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
large system
availability
renewal
prediction
Opis:: The procedures of defining the parameters of the availability of the multistate systems in variable operation conditions are shown. Furthermore, the renewal and availability characteristics of the complex technical system are defined. The computer program for prediction of these characteristics capabilities with description are presented. As the application of this computer program, the prediction the renewal ad availability characteristics of the exemplary complex technical system is shown.
Źródło:: Journal of Polish Safety and Reliability Association; 2011, 2, 2; 247--254
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, risk and availability based optimization of complex technical systems operation processes. Part 2, Application in port transportation
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069688.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
availability
complex system
operation process
optimization
piping transport
Opis:: The joint general model of reliability and availability of complex technical systems in variable operation conditions linking a semi-markov modeling of the system operation processes with a multi-state approach to system reliability and availability analysis and linear programming considered in the paper Part 1 are applied in maritime industry to reliability, risk and availability optimization of a port piping oil transportation system.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 197--208
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:: 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: 12.

Tytuł:: Ocena niezawodności i gotowości portowego elewatora zbożowego
The Evaluation of Reliability and Availability of a Port Grain Transportation System
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/906394.pdf
Data publikacji:: 2005
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: portowe systemy transportowe
Inżynieria Ruchu Morskiego 2005
niezawodność
gotowość
port transportation systems
reliability
availability
Opis:: Zaproponowano użycie granicznych funkcji do oceny niezawodności i gotowości systemów oraz zastosowanie procesów Semi-Markova do modelowania ich procesu eksploatacji. Analizowano też podejście do rozwiązania bardzo ważnego, praktycznego problemu powiązania niezawodności systemów z ich procesem eksploatacji. Zastosowanie przedstawionej metody omówiono na przykładzie oceny niezawodności i gotowości portowego systemu transportu zboża.
The paper proposes the use of the limit reliability functions in the systems' reliability and availability evaluation and semi-markov processes application for their operation modelling. The paper offers an approach to the solution of a practically very important problem of linking the systems' reliability and their operation processes. An application of the proposed method is illustrated in the evaluation of reliability, risk and availability of the port grain transportation system.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2005, 6 (78); 211-221
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Security of telecommunications systems in transport
Autorzy:: Siergiejczyk, M.
Gago, S.
Powiązania:: https://bibliotekanauki.pl/articles/242473.pdf
Data publikacji:: 2017
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: security
transport
telecommunications
reliability
availability
Opis:: The article presents the selected elements affecting reliability and security of the telecommunications networks, which support transport services. In terms of telecommunications security, the selected methods and mechanisms, which allow providing the required level of reliability and availability of the telecommunications networks, in the fault-free operation and emergency modes, were discussed. In the article, attention was paid to the impact of a way of operation and maintenance on security of the telecommunications networks, and also on a correlation between the telecommunications system security and the security culture within the administrative and decision-making bodies. The telecommunications networks used in transport ensure the broadly understood safe provision of data transmission services. Telecommunications networks consist of hardware and software systems, and the data transmission security depends both on hardware and software. It is a set of methods and mechanisms, which provides a high level of the system’s reliability and availability by selecting the appropriate system structure.
Źródło:: Journal of KONES; 2017, 24, 3; 253-260
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Dependability for the military vehicles in the safety aspects
Autorzy:: Przybysz, Kamil
Powiązania:: https://bibliotekanauki.pl/articles/110985.pdf
Data publikacji:: 2020
Wydawca:: Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:: military vehicle
availability
reliability
Opis:: The article discusses the essence of dependability for the military vehicles, the knowledge of which ensures success in the mission and provides an appropriate level of the crew safety while executing combat tasks. The paper also includes an analysis of factors affecting the dependability for the military vehicles.
Źródło:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2020, 1; 1-8
2450-1859
2450-8721
Pojawia się w:: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Ocena niezawodności i gotowości portowego systemu transportu paliwa
The Evaluation of Reliability and Availability of a Port Oil Transportation System
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/906327.pdf
Data publikacji:: 2005
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:: portowe systemy transportowe
Inżynieria Ruchu Morskiego 2005
niezawodność
gotowość
port transportation systems
reliability
availability
Opis:: Zaproponowano użycie granicznych funkcji do oceny niezawodności i gotowości systemów oraz zastosowanie procesów Semi-Markova do modelowania ich procesu eksploatacji. Analizowano też podejście do rozwiązania bardzo ważnego, praktycznego problemu powiązania niezawodności systemów z ich procesem eksploatacji. Zastosowanie przedstawionej metody zostało omówione na przykładzie oceny niezawodności i gotowości portowego systemu transportu paliwa.
The paper proposes the use of the limit reliability functions in the systems' reliability and availability evaluation and semi-markov processes application for their operation modelling. The paper offers an approach to the solution of a practically very important problem of linking the systems' reliability and their operation processes. An application of the proposed method is illustrated in the reliability, risk and availability evaluation of a port oil transportation system.
Źródło:: Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2005, 6 (78); 223-233
1733-8670
2392-0378
Pojawia się w:: Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:: Biblioteka Nauki

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