Temat: multistate - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A broadband multistate interferometer for impedance measurement
Autorzy:: Szymański, P.
Wiatr, W.
Powiązania:: https://bibliotekanauki.pl/articles/307775.pdf
Data publikacji:: 2005
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: impedance measurement
multistate interferometer
reflectometer
Opis:: We present a new four-state interferometer for measuring vectorial reflection coefficient from 50 to 1800 MHz. The interferometer is composed of a four-state phase shifter, a double-directional coupler and a spectrum analyzer with an in-built tracking generator. We describe a design of the interferometer and methods developed for its calibration and de-embedding the measurements. Experimental data verify good accuracy of the impedance measurement.
Źródło:: Journal of Telecommunications and Information Technology; 2005, 2; 29-33
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Convex sublattice based reliability theory
Teoria niezawodności oparta na pojęciu podkraty wypukłej
Autorzy:: Pang, Y.
Huang, H. Z.
He, L.
Wang, Z.
Xiao, N. C.
Powiązania:: https://bibliotekanauki.pl/articles/301375.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: relacja kongruencji
podkrata wypukła
teoria krat
wielostanowa funkcja struktury
teoria możliwości
górny kres zbioru
congruence relation
convex sublattice
lattice theory
multistate structure function
possibility theory
upper bound set
Opis:: Classical probability theory has been widely used in reliability analysis; however, it is hard to handle when the system is lack of` adequate and sufficient data. Nowadays, alternative approaches such as possibility theory and fuzzy set theory have also been proposed to analyze vagueness and epistemic uncertainty regarding reliability aspects of complex and large systems. The model presented in this paper is based upon possibility theory and multistate assumption. Convex sublattice is addressed on congruence relation regarding the complete lattice of structure functions. The relations between the equivalence classes on the congruence relation and the set of all structure functions are established. Furthermore, important reliability bounds can be derived under the notion of convex sublattice. Finally, a numerical example is given to illustrate the results.
Klasyczna teoria prawdopodobieństwa ma szerokie zastosowanie w analizie niezawodności, jednak trudno jest się nią posługiwać, kiedy brak jest wystarczających i odpowiednich danych na temat systemu. Obecnie, proponuje się alternatywne podejścia, takie jak teoria możliwości czy teoria zbiorów rozmytych, za pomocą których można analizować niepewność epistemiczną oraz nieostrość w odniesieniu do aspektów niezawodności złożonych i dużych systemów. Model przedstawiony w niniejszym artykule oparto na teorii możliwości oraz na założeniu wielostanowości. Podkratę wklęsłą opisano na relacji kongruencji, odnoszącej się do całej kraty funkcji struktury. Ustalono relacje pomiędzy klasami równoważności na relacji kongruencji a zbiorem wszystkich funkcji struktury. Ponadto posługując się pojęciem podkraty wypukłej można wyprowadzać istotne kresy niezawodności. Wyniki zilustrowano przykładem numerycznym.
Źródło:: Eksploatacja i Niezawodność; 2011, 3; 56-61
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Demographic projections by religion and education in India
Autorzy:: Stonawski, Marcin
Potančoková, Michaela
Skirbekk, Vegard
Powiązania:: https://bibliotekanauki.pl/articles/1827721.pdf
Data publikacji:: 2015-06-12
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: India
religion
education
multistate population projections
Opis:: Studying religion jointly with education allows one to produce more precise projections of the size and structure of religious communities. India’s religious groups are characterized by large differences in their education and fertility levels. Among those with secondary or more education, there tends to be low variation in fertility, while for those without any education, fertility is high and varies substantially. For India, if fertility differentials were constant and there was no increase in educational enrolment, the Indian population would grow from 846 million in 2000 to more than 2.3 billion in 2050, while the Hindu population would change from 80.2% to 76.4% and the proportion of Muslims would rise from 13.4% to 19%. If fertility converges and education levels increases, the population would increase to 1.7 billion by 2050, with 78.2% Hindus and 16.5% Muslims.
Źródło:: Studia Demograficzne; 2015, 167, 1; 3-29
0039-3134
Pojawia się w:: Studia Demograficzne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Identification of complex technical system components reliability models
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069625.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system reliability
multistate system
statistical identification
transportation systems
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the reliability models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate reliability models and on the statistical methods of identification of the complex technical system components reliability models. The illustrations of the proposed methods and procedures practical application in port and shipyard transportation are included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 343--368
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:: Identification of complex technical system components reliability models (part 2)
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069642.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system reliability
multistate system
statistical identification
transportation systems
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the reliability models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate reliability models and on the statistical methods of identification of the complex technical system components reliability models. The illustrations of the proposed methods and procedures practical application in port and shipyard transportation are included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 369--398
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:: Identification of complex technical system components safety models
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069641.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system safety
multistate system
statistical identification
maritime transport
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the safety models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate safety models and on the statistical methods of identification of the complex technical system components safety models. The illustration of the proposed methods and procedures practical application in maritime transportation is included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 399--436
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:: Identification of complex technical system components safety models (part 2)
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069635.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system safety
multistate system
statistical identification
maritime transport
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the safety models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate safety models and on the statistical methods of identification of the complex technical system components safety models. The illustration of the proposed methods and procedures practical application in maritime transportation is included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 437--468
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:: Identification of complex technical system components safety models (part 3)
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069639.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system safety
multistate system
statistical identification
maritime transport
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the safety models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate safety models and on the statistical methods of identification of the complex technical system components safety models. The illustration of the proposed methods and procedures practical application in maritime transportation is included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 469--484
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:: Identification of complex technical system components safety models (part 4)
Autorzy:: Soszyńska, J.
Kołowrocki, K.
Blokus-Roszkowska, A.
Guze, S.
Powiązania:: https://bibliotekanauki.pl/articles/2069626.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: system safety
multistate system
statistical identification
maritime transport
Opis:: There is presented the contents of the training course addressed to industry. The curriculum of the course includes the methods, algorithms and procedures for identification of the safety models of components of the complex technical systems and their applications in practice. It is based on the theoretical backgrounds concerned with the semi-markov modeling of the complex technical systems operation processes, on the complex technical systems and their components multistate safety models and on the statistical methods of identification of the complex technical system components safety models. The illustration of the proposed methods and procedures practical application in maritime transportation is included.
Źródło:: Journal of Polish Safety and Reliability Association; 2010, 1, 2; 485--496
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:: Investigation of the influence of transit time on a multistate transportation network in tourism
Autorzy:: Nguyen, Thi-Phuong
Lin, Yi-Kuei
Powiązania:: https://bibliotekanauki.pl/articles/2038005.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: multistate transportation network
reliability
transit time
budget limitation
time threshold
Opis:: Reliability has been widely used as a potential indicator of the performance assessment for several real-life networks. Focus on a multistate transportation network in tourism (MTN), this study evaluates the reliability of the MTN as a basis for investigating the influence of transit time. Reliability is the probability to fulfill transportation demand under the given time threshold and budget limitation and evaluated at various levels of transit times. An algorithm, which employs the boundary points and recursive sum of disjoint products technique, is proposed to evaluate the MTN reliability. According to the obtained results, this paper analyzes the influence of transit times on MTN reliability. Particularly, this paper discusses and provides some suggestions about the appropriate transit time to maintain reliability. Decision-makers in the tourism industry also can predetermine the significant drops of reliability to improve the relevant transit times. Besides, the proposed investigation is indicated and proved through an illustrative example and a practical case.
Źródło:: Eksploatacja i Niezawodność; 2021, 23, 4; 670-677
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Investigation of the influence of transit time on a multistate transportation network in tourism
Autorzy:: Nguyen, Thi-Phuong
Lin, Yi-Kuei
Powiązania:: https://bibliotekanauki.pl/articles/2038104.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: multistate transportation network
reliability
transit time
budget limitation
time threshold
Opis:: Reliability has been widely used as a potential indicator of the performance assessment for several real-life networks. Focus on a multistate transportation network in tourism (MTN), this study evaluates the reliability of the MTN as a basis for investigating the influence of transit time. Reliability is the probability to fulfill transportation demand under the given time threshold and budget limitation and evaluated at various levels of transit times. An algorithm, which employs the boundary points and recursive sum of disjoint products technique, is proposed to evaluate the MTN reliability. According to the obtained results, this paper analyzes the influence of transit times on MTN reliability. Particularly, this paper discusses and provides some suggestions about the appropriate transit time to maintain reliability. Decision-makers in the tourism industry also can predetermine the significant drops of reliability to improve the relevant transit times. Besides, the proposed investigation is indicated and proved through an illustrative example and a practical case.
Źródło:: Eksploatacja i Niezawodność; 2021, 23, 4; 670-677
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Modeling Safety of Multistate Ageing Systems
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2068803.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: modelling
ageing systems
multistate
safety
Opis:: First, basic notions of the multistate system safety analysis are introduced, i.e. the multistate components and the multistate system, the multistate system component safety function, the multistate system safety and the multistate system risk function are defined. Moreover, 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. Furthermore, there are constructed safety models of the multi-state homogeneous and non-homogeneous series, parallel, “m out of n”, consecutive “m out of n: F”, series-parallel, parallel-series, series-“m out of n”, “m out of n”-series, series-consecutive “m out of n: F” and consecutive “m out of n: F”-series systems and their safety functions are determined. Moreover, a very often met in practiceseries system composed of multistate subsystems identical with the considered earlier multistate systems is considered and its safety function is determined.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 3; 9--22
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:: Modelling safety of multistate systems with ageing components
Autorzy:: Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069387.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
risk
multistate system
ageing
Opis:: Basic notions of the ageing multistate systems safety analysis are introduced. The system components and the system multistate safety functions are defined. The mean values and variances of the multistate systems lifetimes in the safety state subsets and the mean values of their lifetimes in the particular safety states are defined. The multi-state system risk function and the moment of exceeding by the system the critical safety state are introduced. The exemplary safety structures of the multistate systems with ageing components are defined and their safety functions are determined. As a particular case, the safety functions of the considered multistate systems composed of components having exponential safety functions are determined. Applications of the proposed multistate system safety models to the evaluation and prediction of the safty characteristics of the exemplary series, parallel, “m out of n”, consecutive “m out of n: F”, series-parallel, parallel-series and “m out of l”-series systems are presented as well.
Źródło:: Journal of Polish Safety and Reliability Association; 2013, 4, 1; 109--120
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:: New reliability score for component strength using kullback-leibler divergence
Nowa metoda oceny niezawodności na podstawie wytrzymałości elementów z zastosowaniem dywergencji Kullbacka-Leiblera
Autorzy:: Gökdere, G.
Gürcan, M.
Powiązania:: https://bibliotekanauki.pl/articles/301505.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: reliability
stress-strength model
multistate system model
Kullback-Leibler divergence
niezawodność
model typu obciążenie-wytrzymałość
model systemu wielostanowego
dywergencja Kullbacka-Leiblera
Opis:: The reliability of technical systems is one of the most important research subjects in the point reached by modern science. In many recent studies, this problem is solved by evaluation the operation performance of determined one or more components operating under stress. At this point, R=P(X
Niezawodność systemów technicznych jest jednym z najważniejszych tematów badawczych we współczesnej nauce. Wiele z ostatnich badań, problem ten rozwiązuje poprzez ocenę wydajności pracy jednego lub większej liczby wybranych elementów działających pod wpływem obciążenia. Za punkt wyjściowy przyjmuje się R=P(X
Źródło:: Eksploatacja i Niezawodność; 2016, 18, 3; 367-372
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Non-renewal multistate system with Semi-Markov components
Autorzy:: Grabski, F.
Powiązania:: https://bibliotekanauki.pl/articles/2069483.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: Semi-Markov process
multistate system
multistate reliability functions
binary representation
Opis:: The paper deals with non-renewal multistate monotone systems consisting of multistate components which are modeled by the semi-Markov processes. In the case of a non-renewal system the multistate reliability functions of the system components and the whole system are discussed. All presented concepts and models are illustrated by simple numerical examples.
Źródło:: Journal of Polish Safety and Reliability Association; 2014, 5, 1; 63--70
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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