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Tytuł:
A safety related perspective for the power supply systems in railway industry
Bezpieczeństwo systemów zasilania w przemyśle kolejowym
Autorzy:
Oz, M. A.
Kaymakci, O. T.
Koyun, A.
Powiązania:
https://bibliotekanauki.pl/articles/301911.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
Markov models
reliability
formal modeling
modele Markowa
niezawodność
modelowanie formalne
Opis:
Within its structure railway transportation systems contain very critical subsystems that can seriously harm the system itself, people or the environment if not properly controlled. Therefore, these critical subsystems are analysed according to the related standards and necessary safety functions are implemented, verified and operated. On the other hand, railway power supply system, which is a critical subsystems, is generally properly analysed from a reliability perspective whereas the corresponding safety related functions are roughly examined. This paper proposes that the railway power supply systems should be considered as safety critical systems and justifies this proposal using risk analysis as presented in the standard IEC 61508. The safety related functions of the system are examined and each function is modelled in detail using Markov modelling method. These models are implemented over a power supply system of Istanbul Transportation Co. and SIL values of the safety functions are calculated using these modular and easily adaptable Markov models. Furthermore the obtained results are compared with simplistic Fault Tree analysis (FTA) and the significance of accurate calculation is demonstrated.
W skład struktury kolejowych systemów transportowych wchodzą krytyczne podsystemy, które, nieodpowiednio monitorowane, mogą narażać sam system, a także ludzi oraz środowisko na poważne szkody. Dlatego też, podsystemy krytyczne analizuje się zgodnie z odpowiednimi normami oraz wdraża w nich, weryfikuje i realizuje niezbędne funkcje bezpieczeństwa. W przypadku systemów zasilania kolei, które należą do grupy podsystemów krytycznych, system na ogół analizuje się dokładnie z punktu widzenia niezawodności, natomiast funkcje bezpieczeństwa bada się jedynie pobieżnie. W prezentowanej pracy postuluje się że systemy zasilania kolei powinny być traktowane jako krytyczne dla bezpieczeństwa, co autorzy uzasadniają z wykorzystaniem analizy ryzyka przedstawionej w normie IEC 61508. W proponowanym rozwiązaniu, bada się funkcje bezpieczeństwa systemu, przy czym każda funkcja zostaje szczegółowo zamodelowana za pomocą metody modelowania Markowa. Modele tego typu wdrożono w systemie zasilania firmy Istanbul Transportation Co. Wartości poziomu nienaruszalności bezpieczeństwa (SIL) badanych funkcji bezpieczeństwa obliczano za pomocą wspomnianych modularnych modeli Markowa charakteryzujących się łatwością adaptacji. Ponadto, uzyskane wyniki porównano z symplistyczną analizą drzewa błędów (FTA), a także wykazano znaczenie prowadzenia dokładnych obliczeń.
Źródło:
Eksploatacja i Niezawodność; 2017, 19, 1; 114-120
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A System for Predicting Musculoskeletal Disorders Among Dental Students
Autorzy:
Thanathornwong, B.
Suebnukarn, S.
Ouivirach, K.
Powiązania:
https://bibliotekanauki.pl/articles/90683.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musculoskeletal disorders
prediction model
hidden Markov models
dental students
zaburzenia układu mięśniowo-szkieletowego
model prognostyczny
model Markova
studenci stomatologii
Opis:
Objective. This study aimed to develop a system for predicting work-related musculoskeletal disorders (WMSD) among dental students. Materials and methods. The system comprised 2 accelerometer sensors to register neck and upper back postures and movements, and software developed to collect and process the data. Hidden Markov models (HMMs) were used to predict the likelihood of WMSD in dental students by comparing their neck and upper back movement patterns with WMSD and non-WMSD HMMs learned from previous data. To evaluate the performance of the system, 16 participants were randomly assigned into a 2 × 2 crossover trial scheduled for each sequence of working: receiving feedback or no-feedback from the system. The primary outcome measure was the extension of the neck and upper back, before (pre-test) and after (posttest) receiving feedback or no-feedback from the system. The secondary outcome measure was the log likelihood of classifying the movements as WMSD. Results and discussion. The results showed that in the group that received feedback, the extension of the neck in the y axis and of the upper back in the y axis decreased significantly (t test, p < .05) on the post-test. Conclusion. The system for predicting and preventing WMSD aids the correction of the extension of the neck and upper back in the y axis.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 3; 463-475
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza popytu w przemyśle hutniczym - zastosowanie modelu ze zmiennymi ukrytymi
Analysis of demand in steel and iron industry – latent variables model
Autorzy:
Barska, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/1046654.pdf
Data publikacji:
2019-04-30
Wydawca:
Główny Urząd Statystyczny
Tematy:
prognozowanie
popyt
zmienne ukryte
modele ukrytych łańcuchów markowa
forecasting
demand
latent variables
hidden markov models
Opis:
Na popyt w przemyśle hutniczym wpływa wiele czynników. Nie wszystkie można zidentyfikować i zmierzyć. W artykule przedstawiono wyniki analizy popytu dla wybranego przedsiębiorstwa w latach 2010–2014. Celem przedstawionego badania jest budowa ukrytego modelu łańcuchów Markowa, który odzwierciedli punkty zwrotne zapotrzebowania na wyroby hutnicze oraz umożliwi prognozę wielkości tego zapotrzebowania. Zbadano własności prognostyczne i stabilność modelu. Przeprowadzono symulację polegającą na wygenerowaniu dużej liczby szeregów dla zadanych parametrów modelu i sprawdzeniu ich własności. Najlepiej dopasowanym modelem okazał się trójstanowy model ukrytych łańcuchów Markowa. Za jego pomocą opisano stany potencjalnie kształtujące wielkość popytu. Uwzględnienie stanu przejściowego pozwoliło uchwycić sygnał nadchodzącej zmiany pomiędzy fazami wzrostu i spadku. Zaproponowany model ukrytych łańcuchów Markowa drugiego rzędu może być alternatywą dla tradycyjnych metod analizy szeregów czasowych. Wyznaczona prognoza informuje o kształtowaniu się trendu i stanowi wskazówkę co do punktów zwrotnych koniunktury.
Demand in the steel and iron industry is influenced by multiple factors. Not all of them can be identified and measured. The paper presents the results of the analysis of the levels of demand achieved by a selected enterprise from this sector in the years 2010-2014. The aim of the study is to build a hidden Markov model which would reflect the turning points of this demand, thus making it possible to forecast its future levels. The model's forecasting properties and stability have been examined. A simulation has been carried out that involved generating a high number of series for selected model parameters and checking their properties. This demonstrated that a three-state second order hidden Markov model was most relevant to the purpose of the study. Thanks to the model's application, it was possible to describe states which could potentially shape the demand. Moreover, taking the transition state into consideration allowed spotting the signal about the upcoming replacement of the growth phase with the decline phase, and vice versa. The presented second order hidden Markov model can serve as an alternative to the traditional methods of the analysis of time series. The forecast generated by the model informs about the shaping of a trend in demand and serves as an indication of the shifts in economic cycles.
Źródło:
Przegląd Statystyczny; 2019, 66, 4; 247-269
0033-2372
Pojawia się w:
Przegląd Statystyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical investigation of congestion -avoidance strategies in closed-type queuing models of computer networks with priority scheduling
Autorzy:
Oniszczuk, W.
Powiązania:
https://bibliotekanauki.pl/articles/1933179.pdf
Data publikacji:
2007
Wydawca:
Politechnika Gdańska
Tematy:
pre-emptive-resume queuing model
mean value analysis (MVA)
congestion problem
call admission con-trol (CAC)
hidden Markov models (HMM's)
Opis:
A new approach is presented to modeling intelligent admission control and congestion avoiding mechanism, without rejecting new requests, embedded into a priority closed computer network. Most Call Admission Control (CAC) algorithms treat every request uniformly and hence optimize network performance by maximizing the number of admitted and served requests. In practice, requests have various levels of importance to the network, for example priority classes. Here, the investigated closed network with priority scheduling has been reduced to two service centers, which allows for decomposition of a larger network into a chain of individual queues, where each queue can be studied in isolation. A new algorithm (approach) of this special type of closed priority queuing systems is presented, including a node consisting of several priority sources generating tasks, designated as an Infinite Server (IS), and a service centre with a single service line. This model type is frequently described as a finite source, pre-emptive-resume priority queue (with general distribution of service time). The pre-emptive service discipline allows a task of lower priority to be returned to the head of a queue when a new task of higher priority arrives. A mathematical model of provisioning and admission control mechanism is also described. The idea behind this mechanism has been derived from the Hidden Markov Model (HMM) theory. It is crucial in the CAC process that the network manager obtains correct information about the traffic characteristics declared by the user. Otherwise, the quality of service (QoS) may be dramatically reduced by accepting tasks based on erroneous traffic descriptors. Numerical results illustrate the strategy's effectiveness in avoiding congestion problems.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2007, 11, 3; 237-252
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Teager Energy Operator on Linear and Mel Scales for Whispered Speech Recognition
Autorzy:
Marković, B. R.
Galić, J.
Mijić, M.
Powiązania:
https://bibliotekanauki.pl/articles/176961.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Teager energy operator
cepstral mean subtraction
whispered speech recognition
linear scale
mel scale
dynamic time warping
hidden Markov models
Opis:
This paper presents experimental results on whispered speech recognition based on Teager Energy Operator for linear and mel cepstral coefficients including the Cepstral Mean Subtraction normalization technique. The feature vectors taken into consideration are Linear Frequency Cepstral Coefficients, Teager Energy based Linear Frequency Cepstral Coefficients, Mel Frequency Cepstral Coefficients and Teager Energy based Mel Frequency Cepstral Coefficients. A speaker dependent scenario is used. For the recognition process, Dynamic Time Warping and Hidden Markov Models methods are applied. Results show a respectable improvement in whispered speech recognition as achieved by using the Teager Energy Operator with Cepstral Mean Subtraction.
Źródło:
Archives of Acoustics; 2018, 43, 1; 3-9
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Can we invest on the basis of equity risk premia and risk factors from multi-factor models ?
Autorzy:
Pawel, Sakowski
Robert, Ślepaczuk
Mateusz, Wywiał
Powiązania:
https://bibliotekanauki.pl/articles/943112.pdf
Data publikacji:
2016-09-30
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
investment algorithms
multi-factor models
Markov switching model
asset pricing models
equity risk premia
risk factors
Markowitz model
Opis:
We examine two investment algorithms built on the weekly data of world equity indices for emerging and developed countries in the period 2000-2015. We create seven risk factors using additional data about market capitalization, book value, country GDP and betas of equity indices. The first strategy utilizes the theoretical value of equity risk premium from the seven-factor Markov-switching model with exogenous variables. We compare theoretical with the realized equity risk premium for a given index to undertake the buy/sell decisions. The second algorithm works only on eight risk factors and applies them as input variables to Markowitz models with alternative optimization criteria. Finally we note that the impact of risk factors on the final results of investment strategy is much more important than the selection of a particular econometric model in order to correctly evaluate the equity risk premium.
Źródło:
Economics and Business Review; 2016, 2(16), 3; 78-98
2392-1641
Pojawia się w:
Economics and Business Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of the use of coupled hidden Markov models for audio-visual Polish speech recognition
Autorzy:
Kubanek, M.
Bobulski, J.
Adrjanowicz, L.
Powiązania:
https://bibliotekanauki.pl/articles/201266.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
coupled hidden Markov models
audiovisual speech recognition
lip reading
Opis:
This paper focuses on combining audio-visual signals for Polish speech recognition in conditions of the highly disturbed audio speech signal. Recognition of audio-visual speech was based on combined hidden Markov models (CHMM). The described methods were developed for a single isolated command, nevertheless their effectiveness indicated that they would also work similarly in continuous audiovisual speech recognition. The problem of a visual speech analysis is very difficult and computationally demanding, mostly because of an extreme amount of data that needs to be processed. Therefore, the method of audio-video speech recognition is used only while the audiospeech signal is exposed to a considerable level of distortion. There are proposed the authors’ own methods of the lip edges detection and a visual characteristic extraction in this paper. Moreover, the method of fusing speech characteristics for an audio-video signal was proposed and tested. A significant increase of recognition effectiveness and processing speed were noted during tests – for properly selected CHMM parameters and an adequate codebook size, besides the use of the appropriate fusion of audio-visual characteristics. The experimental results were very promising and close to those achieved by leading scientists in the field of audio-visual speech recognition.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 2; 307-316
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cyclical Fluctuations in Transport. Turning Points Detection
Autorzy:
Dorosiewicz, Sławomir
Powiązania:
https://bibliotekanauki.pl/articles/504329.pdf
Data publikacji:
2016
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
Cyclical fluctuations
transport
turning points
Bry Boschan Method
Hidde Markov Models
Opis:
This paper presents the preliminary analysis of the characteristics of cyclical fluctuations in the freight transport market in Poland. The aim of the analysis is to identify, based on the estimated turning points (using the Bry Boschan method, as well as Hidden Markov Models), expansion and contraction phases in freight transport. These results are compared with the business climate indicators calculated on the basis of survey research in the freight transport.
Źródło:
Logistics and Transport; 2016, 29, 1; 33-38
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of selective cationic amphipatic antibacterial peptides by Hidden Markov models
Autorzy:
Polanco, Carlos
Samaniego, Jose
Powiązania:
https://bibliotekanauki.pl/articles/1040652.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Hidden Markov models
antibacterial peptides
Opis:
Antibacterial peptides are researched mainly for the potential benefit they have in a variety of socially relevant diseases, used by the host to protect itself from different types of pathogenic bacteria. We used the mathematical-computational method known as Hidden Markov models (HMMs) in targeting a subset of antibacterial peptides named Selective Cationic Amphipatic Antibacterial Peptides (SCAAPs). The main difference in the implementation of HMMs was focused on the detection of SCAAP using principally five physical-chemical properties for each candidate SCAAPs, instead of using the statistical information about the amino acids which form a peptide. By this method a cluster of antibacterial peptides was detected and as a result the following were found: 9 SCAAPs, 6 synthetic antibacterial peptides that belong to a subregion of Cecropin A and Magainin 2, and 19 peptides from the Cecropin A family. A scoring function was developed using HMMs as its core, uniquely employing information accessible from the databases.
Źródło:
Acta Biochimica Polonica; 2009, 56, 1; 167-176
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elaboration of occupational risks evaluation models considering the dynamics of impact of harmful factors
Autorzy:
Bochkovskyi, A. P.
Powiązania:
https://bibliotekanauki.pl/articles/1818829.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
safety management
health management
Markov drift processes
stochastic models
risk evaluation
occupational risk
zarządzanie bezpieczeństwem
zarządzanie zdrowiem
modele stochastyczne
ocena ryzyka
ryzyko zawodowe
Opis:
Purpose: Elaborate and substantiate stochastic models of occupational risk evaluation for application in the occupation health and safety. Design/methodology/approach: Analysis of scientific and technical literature and regulatory framework for risk evaluation in the occupation health and safety; methods of probability theory, theory of Markov processes; methods of restoration theory. Findings: A system of differential equations and limit conditions for finding the limit distribution of probabilities of a random process of occupational dangers is derived. Based on the results of solving the limit value task, expressions to determine a number of key indicators by which the level of occupational risk can be evaluated are obtained. Research limitations/implications: The proposed approach aims to evaluation the risk associated with the impact on the employee of harmful factors, but can also be used to evaluate the injury risk. But in this case the received limit value task will be much more difficult. Practical implications: The application of the proposed approach allows to increase the level of occupational safety by taking into account the stochastic characteristics of the negative factors impact on the employee during occupational risks evaluating, as well as the possibility of setting such values of controllable parameters that will allow with a certain probability to ensure not to exceed the level of impact accumulation in the employee of the consequences of these factors. Originality/value: Stochastic models of occupational risk evaluation based on the application of Markov drift processes for the modeling the hybrid nature of the negative factors impact on the employee, which occurs within the real systems "man - technical system - production environment" were elaborated and substantiated for the first time.
Źródło:
Journal of Achievements in Materials and Manufacturing Engineering; 2020, 102, 2; 76--85
1734-8412
Pojawia się w:
Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forecasting the Polish Zloty with Non-Linear Models
Autorzy:
Rubaszek, Michał
Skrzypczyński, Paweł
Koloch, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/483367.pdf
Data publikacji:
2010-11-03
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
exchange rate forecasting
Polish zloty
Markov-switching models
artificial neural networks
Opis:
The literature on exchange rate forecasting is vast. Many researchers have tested whether implications of theoretical economic models or the use of advanced econometric techniques can help explain future movements in exchange rates. The results of the empirical studies for major world currencies show that forecasts from a naive random walk tend to be comparable or even better than forecasts from more sophisticated models. In the case of the Polish zloty, the discussion in the literature on exchange rate forecasting is scarce. This article fills this gap by testing whether non-linear time series models are able to generate forecasts for the nominal exchange rate of the Polish zloty that are more accurate than forecasts from a random walk. Our results confirm the main findings from the literature, namely that it is dificult to outperform a naive random walk in exchange rate forecasting contest.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2010, 2, 2; 151-167
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formulas for average transition times between states of the Markov birth-death process
Autorzy:
Zhernovyi, Yuriy
Kopytko, Bohdan
Powiązania:
https://bibliotekanauki.pl/articles/2175497.pdf
Data publikacji:
2021
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
birth-death process
Markov models
mean transition time
mean time spent in the group of states
queueing systems
reliability model
proces narodzin i śmierci
modele Markova
średni czas przejścia
średni czas spędzony w grupie stanów
systemy kolejkowe
model niezawodności
Opis:
In this paper, we consider Markov birth-death processes with constant intensities of transitions between neighboring states that have an ergodic property. Using the exponential distributions properties, we obtain formulas for the mean time of transition from the state i to the state j and transitions back, from the state j to the state i. We found expressions for the mean time spent outside the given state i, the mean time spent in the group of states (0,...,i-1) to the left from state i, and the mean time spent in the group of states (i+1,i+2,...) to the right. We derive the formulas for some special cases of the Markov birth-death processes, namely, for the Erlang loss system, the queueing systems with finite and with infinite waiting room and the reliability model for a recoverable system.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2021, 20, 4; 99--110
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FPGA implementation of logarithmic versions of Baum-Welch and Viterbi algorithms for reduced precision hidden Markov models
Autorzy:
Pietras, M.
Klęsk, P.
Powiązania:
https://bibliotekanauki.pl/articles/201874.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hidden Markov models
numerical stability
Viterbi algorithm
parallel architecture
field-programmable gate array
ukryte modele Markowa
stabilność numeryczna
Algorytm Viterbiego
architektura równoległa
Opis:
This paper presents a programmable system-on-chip implementation to be used for acceleration of computations within hidden Markov models. The high level synthesis (HLS) and “divide-and-conquer” approaches are presented for parallelization of Baum-Welch and Viterbi algorithms. To avoid arithmetic underflows, all computations are performed within the logarithmic space. Additionally, in order to carry out computations efficiently – i.e. directly in an FPGA system or a processor cache – we postulate to reduce the floating-point representations of HMMs. We state and prove a lemma about the length of numerically unsafe sequences for such reduced precision models. Finally, special attention is devoted to the design of a multiple logarithm and exponent approximation unit (MLEAU). Using associative mapping, this unit allows for simultaneous conversions of multiple values and thereby compensates for computational efforts of logarithmic-space operations. Design evaluation reveals absolute stall delay occurring by multiple hardware conversions to logarithms and to exponents, and furthermore the experiments evaluation reveals HMMs computation boundaries related to their probabilities and floating-point representation. The performance differences at each stage of computation are summarized in performance comparison between hardware acceleration using MLEAU and typical software implementation on an ARM or Intel processor.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 6; 935-946
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gotowość wojskowych statków powietrznych jako element zapewnienia bezpieczeństwa militarnego państwa
Readiness of military aircraft as an element of ensuring national military defence
Autorzy:
Mitkow, S.
Powiązania:
https://bibliotekanauki.pl/articles/98522.pdf
Data publikacji:
2018
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
gotowość statków powietrznych
bezpieczeństwo militarne państwa
modele Markowa
aircraft reliability
military security of the state
Markov models
Opis:
O bezpieczeństwie militarnym państwa decyduje przede wszystkim potencjał posiadanych sił zbrojnych. Ich integralnym elementem oraz determinantem skuteczności i efektywności jest obrona powietrzna. Poziom jej zdolności bojowej decyduje o powodzeniu działań realizowanych na gruncie ochrony przestrzeni powietrznej. Konieczne jest ciągle doskonalenie tego systemu i jego rozwój w odniesieniu zarówno do całych sił zbrojnych, jak i pojedynczych baz lotniczych. Wsparciem procesu dowodzenia mogą być metody i narzędzia matematyczne, stanowiące uzupełnienie wiedzy i doświadczenia dowódców. Przykład ich zastosowania przedstawiono w niniejszym artykule, gdzie zaproponowano metodę badania gotowości statków powietrznych z wojskowej bazy lotniczej w oparciu o model Markowa, prezentując jednocześnie możliwość jego wykorzystania w skomplikowanych systemach wojskowych.
Potential of Armed Forces are decided about national military defence system. Internal element and determinant effectiveness and efficiency is air defence. Level of combat capability of air defence determines the success of activities. Necessary is continual improvement of the system and its development. The command process can be supported by mathematical methods and tools which complement the knowledge and experience of the Commanders. An example of their use is presented in this article where the method of testing the readiness of combat aircraft from air base based on a Markov model.
Źródło:
Przegląd Nauk o Obronności; 2018, 3, 5; 7-20
2450-6869
Pojawia się w:
Przegląd Nauk o Obronności
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 44

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