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1
100%
Logistyka
PL Symulacja sterowania ruchem drogowym jest obecnie bardzo ważnym elementem w związku z rosnącym ruchem w miastach. Pomaga ona budować strategię działania w ustaleniu przełączeń świateł drogowych i wyznaczaniu alternatywnych dróg transportu w przypadku kolizji lub zatorów. W referacie przedstawiamy za[...]
EN Simulation of traffic control is nowadays very important for dealing with increasing urban traffic. It helps to construct the strategy of traffic lights switching and determine alternative path in the case of an accident or traffic jam. In the paper we present the application of simulation tool DYN[...]
2
100%
Fundamenta Informaticae
EN In this work we present object net systems, i.e. Petri nets with nets as token objects, which are equipped with channels that allow to transfer net-tokens in the vertical dimension of the nested marking. These channels are a modelling element powerful enough to describe a direct simulation of counte[...]
3
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Fundamenta Informaticae
EN In this paper we offer a methodology allowing for simulation of security protocols, implemented in the higher-level language Estelle, using scenarios designed for external attacks. To this aim we apply a translation of specifications of security protocols from Common Syntax to Estelle and an encodin[...]
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Fundamenta Informaticae
EN In Algorithmic Information Theory, the algorithmic complexity of a sequence is the length of the shortest program which generates it. Is there a measure of the complexity of a computer? We define the simulation complexity of a computer to be the least cost of simulating that computer on a fixed univ[...]
5
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Przegląd Mechaniczny
2007 nr 7-8 33-36
PL Prawidłowe warunki procesu rozpęczania rury falowanej są niezwykle ważne i mają ogromny wpływ na własności elementu gotowego. Jest wiele czynników, które w sposób bezpośredni wpływają na jakość wyrobu końcowego. Zaliczyć można do nich m.in.: grubość ścianki rozpęczanej rury, ciśnienie wewnętrzne zad[...]
6
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Polish Maritime Research
EN This paper presents a proposal of classification of the engine room simutators. Its main subject is the relation between proposed simulator types and the learning objectives specified in the STCW International Convention. It was also proved that in some cases the full mission simulator is not the be[...]
7
100%
Logistics and Transport
EN The analysis of the three, main, heuristics approaches outlining the order picking routes in a warehouse, is a subject of this paper. Order picking is the most laborious warehouse process and it contributes to 55% - 65% of all the costs of operations performed in a warehouse. The most time consuming[...]
8
100%
Szybkobieżne Pojazdy Gąsienicowe
2016 nr 1 (39) 183--190
EN The paper discusses the problem of verifying systems of additional armour installation with the use of computer modelling and simulation methods. To achieve this purpose, numerical models of essential structural elements of the fastening arrangement, of the panel and of the representative portion of[...]
9
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Fundamenta Informaticae
EN The paper presents a modification of the standard partitioning technique to generate abstract state spaces preserving similarity for Timed Automata. Since this relation is weaker than bisimilarity, most of the obtained models (state spaces) are smaller than bisimilar ones, but still preserve the uni[...]
10
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Archives of Acoustics
EN The paper considers the application of statistical properties of backscattered ultrasonic signal for assessment of the trabecular bone status. Computer simulations were conducted to investigate the properties of the ultrasound pulse-echo signal, as it is received on the transducer surface after scat[...]
11
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Bezpieczeństwo i Technika Pożarnicza
2011 Nr 4 81-85
EN The paper presents the assumptions for the computer simulation of a forest fire in according with digital topographic map of forest and short-term weather forecast. To conduct the simulation, a software has been created. The software includes deterministic mathematical model of a forest fire. Input [...]
12
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Journal of KONES
EN When handling materials in space it is required that the materials to be hoisted should be stabilised and their position precisely controlled. Attempts are made to minimise the dynamic loading during the start-up and braking phase and to reduce vibration of the material being handled, at the same [...]
13
80%
Journal of KONES
EN The paper presents the methodology prepared by the author. During the process of acquiring new vehicles for the armed forces, time is of the essence in practice of conducting a wide range of structure changes in previously implemented undercarriages. It has to be pointed out that with a high individ[...]
14
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Journal of KONES
EN Paper presents the results of numerical research on the influence of the movement conditions (velocity and various types and parameters of obstacles) on the level of dynamic loads of the body shell and the vehicle crew of the basic version of Wheeled Armoured Personnel Carrier (Wheeled APC) ROSOMAK.[...]
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Journal of KONES
EN In the article the analysis of the influence of design parameters of the engine on the performed by the multirole aircraft mission was performed. The problem is complex as a result of performing a series of manoeuvres in various conditions of flight. A special feature of multi-role aircraft mission [...]
16
80%
Archives of Acoustics
EN This paper presents the beam tracing with refraction method, developed to examine the possibil- ity of creating the beam tracing simulation of sound propagation in environments with piecewise non- homogenous media. The beam tracing with refraction method (BTR) is developed as an adaptive beam tracin[...]
17
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Journal of Telecommunications and Information Technology
2012 nr 2 29-42
EN A two-level hierarchical multicriteria routing model for multiprotocol label switching networks with two service classes (QoS, i.e., with quality of service requirements, and best effort services) and alternative routing is reviewed in this paper. A heuristic resolution approach, where nondominated [...]
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Pomiary Automatyka Kontrola
2010 R. 56, nr 7 724-727
PL Uniwersalność automatów komórkowych spowodowała, iż znajdują zastosowanie w wielu dziedzinach, np. w modelowaniu i symulacji ruchu drogowego. Autorzy prezentują dokonania w tym zakresie (tab. 1) oraz formułują nowy model, będący rozwinięciem modelu skrzyżowania dróg prezentowanego w [1] i [8]. Dodat[...]
EN Cellular automata are considered by some researchers to belong to one of the IT department, which is an artificial intelligence. Even though their history goes back to the forties of the last century, much attention is still paid to the use of cellular automata for the process of testing and simulat[...]
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Journal of KONES
2013 Vol. 20, No. 3 347--352
EN This paper presents issues related to the process of designing a 30-feet container to be used as a mobile laboratory for collecting the environmental samples and identification of biological threats. Tactical and technical assumptions for the container, taking into account the requirements of the [...]
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Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka
1999 nr 115 285--296
EN A numerical study is conducted to estimate the effect of stator-rotor interaction on the performance of an HP turbine stage. The results obtained from a steady-state mixingplane analysis are compared with those of unsteady simulation based upon generalised time-space periodicity conditions and slidi[...]
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