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1
Ďuricová, Ivana. „Simulačný model populačného vývoja“. Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-17350.
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In these days one of the global problem seems to be continuous population growth. The most quickly rising population can be found predictably in the poorest developing countries of the world, which also have trouble with meeting basic demands of its inhabitants. That is why it is necessary to closely watch population trend, because it noticeably influences many social-economic issues like sufficiency of work opportunity, access to the education, housing etc.. This diploma thesis focuses on monitoring of population development of Slovak republic till 2025. The aim of thesis is creation of simulative model in program SIMPROCESS 4.3.1, which will offer transparent results of population development forecast. These model results in program SIMPROCESS 4.3.1 are compared with official population development forecast in Slovakia till 2025 published by Statistical Office of Slovak republic in 2007. The thesis is focused in detail on monitoring of demographical indicators like birth rate, mortality rate and migration.
2
Mikláš, Ján. „Výkonové spínací tranzistory“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-254485.
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In this thesis, prerequisities for a switching loss measurements are established as well as designing of DC-bus and the base/gate driver for the power transistors; followed by derivation of mathematical approximation of transistor conductivity gCE =iCuCE, circuit simulation using gCE as a transistor model and a discussion of measured waveforms.
3
Závodský, Martin. „Návrh robotické buňky pro výrobu plošných dílů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443246.
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This master’s thesis deals with the design of a robotic cell for the automation of woodworking machine tending. The task of the robot is to manipulate with the specified laminated chipboards of various sizes, before and after machining. The boards are brought to the cell on pallets in three possible placement variants. After a brief research part, conceptual designs of cell layout were created. The optimal and further elaborated design came as a result of selected evaluation criteria. The next part of the thesis consists of designs and selection processes of individual components. These were later used to create a simulation model in Tecnomatix Process Simulate software (Siemens), that helped to verify the functionality of the cell layout, design the control logic and acquire the time of the manipulation cycle used for informative calculation of annual production. In the end, the final design was evaluated from an economic point of view with an emphasis on the return of the initial investment.
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Wasserbauer, Pavel. „Simulační model helpdesku“. Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-919.
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Korecká, Markéta. „Simulační model dispečinku“. Master's thesis, Vysoká škola ekonomická v Praze, 2007. http://www.nusl.cz/ntk/nusl-1705.
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Práce vystihuje teoretické poznatky z oblasti simulace a teorie hromadné obsluhy. Tyto poznatky jsou využity při zpracování praktického příkladu. Pro zpracování případové studie je využíván simulační software SIMUL8, pomocí kterého je vytvořen model. Cílem práce je namodelovat současný chod dispečinku, zjistit jeho úzká místa a po té pomocí experimentu s modelem navrhnout nutné rozšíření počtu pracovišť na dispečinku.
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Klán, Vojtěch. „Simulační model skladu“. Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-201940.
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The issue of the work is use of simulation methods in real situation. First part of thesis belongs to explanation of warehouse technologies and simulation techniques used in the work. Follows a transformation of real enterprise warehouse to computer simulation model. The main part is focused on experiments on this model which solves real problems in this warehouse. Target of first experiment is to find solutions to shorten the waiting time of trucks. This is accomplished by series of experiments, which are compared and the best solution is selected. Another three experiments contains future or hypothetical situations in the warehouse. On the basis of the simulation results future steps and preparations are proposed.
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Urbanová, Kateřina. „Simulační model populačního vývoje“. Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-12083.
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In this thesis, called a simulation model of population growth, there was created the simulation model of a population growth in the Czech Republic to the year 2052. First there was constructed the projection through the component method used in demography. Deterministic values obtained by this method are then used in the simulation analysis. In the simulation analysis there was conducted an experiment with three variables which influence the population growth (the fertility, life expectancy/the coefficient of the decline of the probability of the death/ and the migration balance). With the support of the Crystal Ball, supporting program for Excel, which provides the possibility of the simulations, there was determined the stochastic character of the three variables. There are created the low, medium and high variant of the projections, as well as three other possible variants of population growth that might occur. These variations are called economic crisis, friendly migration policy and restrictive migration policy.
8
Černohous, Roman. „Simulační model (reálná situace)“. Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-15679.
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The aim of this thesis is to analyze and optimize production processes in a company which produces plastic components for the automotive industry. The theoretical part of this thesis summarizes basic knowledge of business process simulation and addresses the reasons for making use of dynamic simulation as a tool for eliminating dissipation and supporting decision making. The main focus is an analysis of the current situation and identifies the problems in the company. For the purpose of optimization, a simulation model was created using Simul8, by the Simul8 Corporation. The model was made in accordance with the methodology described in the theoretical part of this thesis. It was used to examine the efficiency of proposed versions of the production schedule, in light of its impact on storage capacity and service level.
9
Frydrýšek, Jan. „Simulační modely vozidel“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218012.
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This thesis deals with simulation vehicle models for lateral control. It surveys step by step to models of tire, truck and control. At the end are showed influences of model parameters to vehicles dynamics.
10
Harapát, Jan. „Komplexní simulační model vibračního generátoru“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230987.
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This work is focusing on analysis of current development in energy harvesting projects in aerospace industry field, and on analysis of current development in vibration generator field. It is also concentrating on establishment of a complex simulation model of vibration generator. It deals with modeling of magnetic field of generator and its cross connection with a mechanic and an electronic model.
11
Tmejová, Tereza. „Model řidiče pro simulační algoritmy“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417521.
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This diploma thesis deals with the creation of a computation driver model. In the first part, there is an overview on driver models for longitudinal and lateral control. Next, driving maneuvres that could be selected for testing of driver model are described. In the practical part, there is created a computational driver model, whose task is to follow required path. The resulting model is tested on three driving maneuvers - steady turning, moose test and slalom. Finally, this model is tested on the passage of a real track. For all these tracks, a comparison is made and the success of the model is evaluated.
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Zárubová, Radka. „Simulační model vývoje penzijního připojištění“. Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-73034.
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First, this thesis introduces the system of pension insurance with state contribution including its proposed amendment made in 2009. Its aim is to forecast and to analyse expected development in pension insurance with state contribution. The main part of the thesis is focused on the simulation model of this insurance product. Within this model, annual interest on contributions is randomly generated and the amount of money a client of a hypothetical pension fund would receive is calculated. To facilitate this simulation, I programmed and attached (as a part of the thesis) an application in VBA language which enables to run this simulation in the preset number of replications. The thesis gives four examples of simulation experiments -- a simulation of pension insurance, and a simulation of pension saving, both versions both with and without contributions made by client's employer. The comparison of the expected efficiency of the both systems from the point of view of the government and a client is drawn at the end of the thesis.
13
Boháč, Petr. „Simulační modely lidského operátora“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-219955.
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This paper deals with simulation models of the human operator controlling lateral position of simulated vehicle. I am comparing parameters and quality of the McRuer human driver model and the PID controller. Simulated system is single-track vehicle model. Simulated driver is tasked to pass a Moose test with this vehicle model. I am using the simulated annealing method to find optimal parameters of the driver model and then I visualize realized test in 2D and 3D visualization. In the end of this paper I compare simulations of the driver models and assess achieved results.
14
Vejdělková, Dita. „Simulační předpovědi české ekonomiky“. Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-72237.
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The thesis is composed of three main parts. The first part is theoretical and I deal here with economic relationships between macroeconomic magnitudes. Second part dedicated to the econometric theory of prognosis follows, in which I deal with different types of prognoses and prediction methods used at present. In the third, practical, part my intended aim is to create the best possible models of relations between fundamental macroeconomic magnitudes, using real Czech economy data, and to make simulation predictions of these magnitudes based on acquired models while utilising scenario analysis. First, I deal with choice of MSE and VAR models. Then follows the estimate of particular models and validation of prognostic capabilities of particular models for static and dynamic simulation. I conclude with elaboration of macroeconomic magnitudes prognosis while using scenario analysis.
15
Olšovský, Petr. „Simulační model leteckého pístového spalovacího motoru“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378489.
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This master’s thesis deals with creating a real-time simulation model of an aircraft piston engine with emphasis on heating and cooling of the engine cylinders. First part of this thesis focuses on characteristics of aircraft engines and differences with regular automotive engines. The next chapter describes the dependence of engine parameters on atmospheric conditions. The description of the real time model itself follows next. The results of the simulation model are presented and analysed at the end of this thesis.
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Šalbaba, Vojtěch. „Multiagentní simulační model pro letecké formace“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2013. http://www.nusl.cz/ntk/nusl-236382.
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This thesis deals with designing a model for simulation and visualisation of air combat tactics. It introduces air combat environment and describes a process for its modeling. Thesis describes basics of air combat, its principles and importance of chosen tactics. Using Jason programming language, artificial agents are created and chosen tactics are implemented. The process of implementing tacitcs is described from analysis to final implementation. Finaly, various types of agents are tested in mock combat against each other.
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Burian, Radek. „Simulační modelování vřeten obráběcích strojů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231701.
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The aim of this work was to propose an analytical spindle lathe and perform simulations to verify that the spindle is designed correctly. After calculations and modeling of the whole assembly, I began to make the first simulation in ADAMS. I proceeded from simple models over difficult to the final version of the entire assembly. I examined whether they match the values of power, speed, strength and other values with the values obtained analytically. The results of my works are virtual models of spindle, which can simulate various stressful conditions under which we can decide whether the spindle is satisfactory or not.
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Bílý, Lukáš. „Simulační modely elektrických pohonů vozidel“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219228.
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The work deals with creating a DC electric motor drive. The model is composed of electrical power from the engine model and transistor pulse converter load, which are joined together and completed the anchor and regulate the flow control engine speed. Great attention was paid to the determination of losses in the load drive electric vehicles and create a model of electric power load. The real work was verified by an experimental model of an electric vehicle Car4 the available parameters.
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Ležák, Aleš. „Simulační model IPTV služby s protokolem RTP“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217546.
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This diploma thesis contains questions of simulation data transfer by ASM multicast. In simulation tool Opnet Modeler is proceed design of service IPTV. IPTV means television which is transfered in network by IP protocol. Data of IPTV service are sending by multicast transfer. Multicast is a technology which uses a group transfer. It is actually communication of a one source of data with many users. These users are receiving the same data. A main target of this technology is to decrement loading of source node and transference system in distribution of data towards group of users. Most often is multicast used in distribution of audiovisual data. Relation RTP/RTCP is simulated with a different numbers of users. Observed is interval of transmission of control RTCP packets. This will be reached by two methods which will be confront in the end. One is a theoretic calculation by course of a equation and second is a practical simulation in Opnet Modeler.
20
Novosád, Boris. „Simulační modelování elektromagnetického vibračního generátoru“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228738.
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The aim of this work is to create complex virtual model of electromagnetic vibration generator. This model will include mechanical and electromagnetic subsystem and also the model of output circuit. Created model will be implemented in Matlab/Simulink enviroment and model parameters will be identified so that the compare of simulation and real results will be acceptable.
21
Polášek, Petr. „Simulační architektura založená na službách“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-261275.
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This thesis focuses on design, modeling and simulation of heterogeneous systems with emphasis on discrete-event systems. It proposes service-oriented simulation architecture where modeling and simulation is treated as a service and establishes a DEVS Meta Language that is intended for implementation of simulation models based on the DEVS formalism. Special M\&S techniques are described and integration of existing simulation tools is discussed as well.
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Kapoun, Vladislav. „Simulační model veřejného osvětlení pro Network Simlator 3“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220386.
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This thesis is focused on the smart public lighting management possibilities. It describes smart public lighting management itself and the advantages of the new management possibilities compared to the current ones are illustrated as well. Furthermore, it deals with a comparison of the most used light resources and LED light resources. This thesis also outlines NS-3 simulation environment and states its advantages. Theoretical concept for energy-saving smart public lighting management system and its modifications for the needs of simulation is described in the paper. This theoretical concept is simulated and compared with the current smart public lighting management systems as well as with the systems designated by the third party.
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Kolaja, Lukáš. „Simulační model svozu odpadu pro Network Simulator 3“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220394.
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The goal of this diploma thesis is create an application for route optimalization for waste collection which is one of the technologies of smart cities. At first was described issue of smart cities focused to waste collection. The thesis describes the real deployment of smart waste collection using sensor network and was also designed its own model of smart waste collection. It is also described graph theory and related genetic algorithms which is suitable for waste collection optimalization. On that basics an application was made in C/C++ language which using a genetic algorithm to compute best possible path in graph which represents a map where waste is collected. By input data to application is vector image of evaluated graph in SVG data format.
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Záhorovská, Zuzana. „Využití simulačních modelů a programů k analýze či zlepšení chodu podniku (reálná situace)“. Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-15743.
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Aim of this thesis is to analyze the current situation, to identify bottlenecks and to propose improvements to the department of acquisitions in the selected financial company, which is an important part of the Czech market and which desire not to be named. In the first part of my thesis is provided to the reader a theoretical basis necessary to understand the following text. Then I create simulation models for individual teams, which take part in the mentioned department. These models are based only on average and total values. That is why in the next section, there is described the work to bring them closer to reality with shifts of administrators and the variable number of entities, which are processed throughout the day. Based on the analysis of calculated values, I propose two methods of redistribution of actions to reduce the number of employees and to increase their efficiency.
25
Valo, Lukáš. „Simulační analýza vibrací turbodmychadla“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401530.
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The master thesis deals with computational modeling of a turbocharger vibrations and and assessment of influnce of passive dynamic vibration absorber on vibrations of actuator bracket. The use of dynamic vibration absorber was summarized in the research study. The analysis were performed using finite element method in ANSYS. Several computational models of turbocharger were created with different ways of modeling bolted joints between turbocharger parts. Modal analysis of each model was performed and the results were compared. For the selected model, the response to the kinematic excitation from the internal combustion engine for two load conditions was calculated using harmonic analysis. A simple model of vibration dynamic absorber was applied to the turbocharger model with reduced degrees of freedom and its influnce on vibrations of actuator bracket was investigated. Significant decrease of the maximum acceleration amplitude was achieved in a given frequency range when absorber parameters were optimized.
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Kořínková, Monika. „Simulace výrobního procesu“. Master's thesis, Vysoká škola ekonomická v Praze, 2006. http://www.nusl.cz/ntk/nusl-161726.
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Diplomová práce se zabývá simulací výrobního procesu, zejména stanovením potřebného počtu personálu. Popisuje jednotlivé části simulačního projektu. Teoretická část je věnována generování náhodných čísel a jejich transformaci v požadované statistické rozdělení.
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Lidmila, Petr. „Simulační modely synchronního stroje pro výukové potřeby“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242005.
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This master´s thesis deals with synchronous motor model creation in MATLAB – Simulink program, with purpose of usage in AC Drives class. Models are created for motor with permanent magnets and for motor with wound rotor. The models are designed to enable simulation with both different longitudinal and transverse inductance, thus with salient rotor and non-salient rotor. The models can also be powered directly from three-phase sinusoidal source or a simple vector control can be used for their acceleration. All models are aligned so that their parameters can be set in only one m-file. Furthermore, automatic generation of phasor diagrams for steady-state motor, which serves as an interactive tool in class, is also created.
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Černý, Vít. „Simulační modely a optimalizace při projektovém řízení“. Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-194649.
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In recent years, the project management is very popular tool for management of companies and their processes, and this system is utilized in companies of practically any specialisation. In this diploma paper the principles of the project management are applied on a real construction project, which is one of the most common applications. During project preparation, another two disciplines of the operations research are applied on the precarious parts of the project; namely simulation modelling, and optimization via mathematical programming. Simulation modelling allows the analyst to predict behaviour of the modelled real system without the need for any time or costs to be spent on its observation. In this paper the simulation covers the system of vertical transport during execution of the project. Optimization is meant to set such parameters of any model in order for the watched criteria to reach optimal values. In this paper, the optimization is applied on total budget of the project to minimize the total costs.
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Kaděra, Vladimír. „Simulačně orientované DSS pro různé úrovně řízení“. Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-113955.
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This thesis is dealing with using of simulation modeling as a support for decision making in different control level. Theoretic analysis of that problem covers and summarized information about modeling and simulation as well as importance of knowledge of simulation models and systems for decision making provision. Case study which illustrates possibilities using of Arena simulation software for needs decision making on operative control level and a software product Powersim Studio for needs higher control levels is a part of this thesis. Simulations were performed with particular software models and their results were summarized and evaluated by a selecting method of specific variant of solution.
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Mrkva, Tomáš. „Simulační studie výrobní linky s průmyslovými roboty“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417546.
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This diploma thesis deals with the design of a robotic workplace for deburring of a given part. The robot's task is to remove the machined part from the production machine, create a blank workpiece ready for machining, and finally deburr the the machined part. There are several proposals for the layout of the robotic cell, as well as the design of the end effector, the input tray for semi-finished products and a stand with tools for deburring. Subsequently, a simulation model of the designed robotic cell is created in the Siemens Process Simulate software. Using RSC modules, the exact resulting cell clock is determined. The whole process of creating a simulation model is detaily described. At the end of this thesis is an economic evaluation of the proposed solution.
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Láznička, Jan. „Vybrané softwarové produkty pro simulační modelování a jejich srovnání“. Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-10379.
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A thesis deals with simulation modeling. After opening theoretic information about models, discrete and continuous simulations, computer technologies for systems modeling and individual phases of simulation process, there follows a case study, which demonstrates using of three software products for simulation modeling -- SIMUL8, Simprocess and Powersim Studio. Created models, experiments with them and given results, including well-arranged tabular comparison of mentioned computer programs according to defined criteria, point out strengths and weaknesses of each software. Simultaneously, data for selection of an appropriate program are presented, depending on a sphere type, which is simulation modeling to be applied on.
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Jančík, Stanislav. „Simulační modely EDUmod pro PLC v NI LabVIEW“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228334.
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This diploma thesis discusses the connection trough the programmable automation (PLC) with a personal computer (PC) for the purpose of operating software simulation in NI LabVIEW. Diploma thesis is divided in two main parts. Design and manufacture of the communication unit, which is in charge of communication between PC and PLC and further programming simulation models in software NI LabVIEW.
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Vávra, Michal. „Simulace průběhu kulturní akce“. Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-76562.
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This diploma thesis deals with the question of simulation models. It is divided into the theoretical and practical part. The aim of the opening part, in which the fundamental theory is defined, is to familiarize the readers with the ideas and advantages which simulation models can offer. In its practical part the work already focuses on the particular simulation project which should point out the possibilities of utilization of these models in practice. The subject of this project is the simulation of the course of the cultural event in the O2 Arena stadium. The main goal of this project is creation of the authentic simulation model which would on the basis of the later analysis enable the elimination or optimalization of the predefined major problems that are connected with organizing big cultural events in this arena.
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Seres, Csaba. „Využitie simulačných modelov pri podpore manažérskeho rozhodovania“. Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-194684.
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The main goal of this thesis is the elaboration of the most important simulation techniques and their verification of their applications in solving specific managerial decision-making problems. In the beginning the reader is acquainted with the theory, which includes overview and description of certain kinds of simulation models, focus on how to use them, the benefits of different types of models and also the example of using the model in practice. The practical part is focused on a specific type of managerial decision problems. Specific problem is chosen and described. Then the structure and the properties, that model has to meet are described. Based on the desired structure and properties, the simulation model is built. Subsequently, the correctness of model operation is verified. Outputs from the model will be evaluated and a solution of the problem will be proposed. The advantages, disadvantages, pitfalls of creating the model and benefits for the manager will be pointed out.
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Zavadinka, Peter. „Development of a Variable Roller Pump and Evaluation of its Power Saving Potential as a Charge Pump in Hydrostatic Drivetrains“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234261.
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Predložená doktorandská dizertačná práca (ďalej len práca) sa zaoberá rozsiahlou analýzou valčekového hydrogenerátora s premenlivým geometrickým objemom a predikciou výkonových úspor dosiahnutých aplikáciou navrhnutého valčekového hydrogenerátora s premenlivým geometrickým objemom v hydrostatickom pohone vybraných mobilných pracovných strojov. Teoretický rozbor princípov fungovania valčekového hydrogenerátora a teória jednorozmerného simulačného modelu sú popísané v prvej časti práce. Na základe odvodenej teórie je vytvorený simulačný model, ktorý je vhodný na predikciu priebehu tlaku v komorách valčekového hydrogenerátora, síl pôsobiacich na valček a na predikciu vnútorných únikov vzniknutých skratovaním rozvodovej dosky, ktoré majú priamy vplyv na objemovú účinnosť valčekového hydrogenerátora. Simulačný model bol úspešne použitý pre optimalizáciu rozvodových dosiek valčekového hydrogenerátora a vhodnosť simulačného modelu potvrdili následné merania Práca obsahuje aj analýzu síl pôsobiacich na vodiaci prstenec, ktorej výsledky boli taktiež potvrdené meraním. Analýza týchto síl môže vylepšiť v konečnom dôsledku parametre budúcich tlakových regulácii. Práca ďalej obsahuje základné porovnanie použitých tlakových regulácii. Všetky uskutočnené merania potvrdili, že valčekový hydrogenerátor s premenlivým geometrickým objemom s testovanými tlakovými reguláciami je schopný úspešne pracovať v hydrostatickej prevodovke. Druhá časť práce analyzuje potenciál výkonových úspor valčekového hydrogenerátora s premenlivým geometrickým objemom pre dve mobilné aplikácie - teleskopický nakladač s hmotnosťou 9 ton a kombajn s hmotnosťou 20 ton. Analýza vyžaduje jednorozmerný simulačný model hydrostatického pohonu s teplotnou predikciou hydrostatickej prevodovky. Dva rozdielne koncepty variabilného doplňovacieho systému hydrostatickej prevodovky sú porovnané so štandardným doplňovacím systémom pre pracovný a transportný režim oboch vybraných typov vozidiel. Simulácia pohonu vozidla s valčekovým hydrogenerátorom s premenlivým geometrickým objemom vo funkcii doplňovacieho hydrogenerátora a obtokovou clonou potvrdili vyššie úspory iba v prípadoch, kedy rýchlosť doplňovacieho hydrogenerátora bola výrazne vyššia a prietok cez obtokovú clonu do skrine hlavného hydrogenerátora zabezpečil dostatočné chladenie. Najvyššie výkonové úspory boli dosiahnuté s premenlivým preplachovacím systémom, ktorého prietok sa menil podľa požiadaviek hydrostatickej prevodovky. Záver druhej časti práce sa zaoberá metodikou dimenzovania veľkosti doplňovacieho hydrogenerátora.
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Pudil, Lubomír. „Simulační modely penzijního připojištění vzhledem k demografickému vývoji v ČR“. Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-12064.
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The issue of an aging population, pension systems and pension themselves, are currently very actual, interesting and socially topics discussed. In my diploma thesis on simulation models of pension insurance due to demographic development in the CR I used simulation experiments, including those based primarily on the Monte Carlo method, tackling issues and negatives surrounding pension insurance with state contribution, which, as one of the financial products market, is the second pillar of pension system in the Czech Republic. Pension scheme of pension insurekce with state contibution gives participants the advantages and benefits in the form of state subsidy, the possibility of reducing the income tax base on the part of the contributions paid, proceeds from fund management and the possibility of contributions from the employer. On the other hand, play an important role, weaknesses and shortcomings of this system. Again, the most important may be considered inseparateness fund's assets from an estate participants, inappropriately designed state contribution, the high average age of participants and relatively low rate of return on fund management. Negatives mentioned above were reflected in the simulation experiments, when the linear state contribution was designed and was considered for the new system of pension saving in combination with a linear state contribution, which appears to be a more appropriate and beneficial for both participants on the one hand, and the state (impact on public spendings) on the other.
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Trávníček, Jan. „Tvorba spolehlivostních modelů pro pokročilé číslicové systémy“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2013. http://www.nusl.cz/ntk/nusl-236226.
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This thesis deals with the systems reliability. At First, there is discussed the concept of reliability itself and its indicators, which can specifically express reliability. The second chapter describes the different kinds of reliability models for simple and complex systems. It further describes the basic methods for construction of reliability models. The fourth chapter is devoted to a very important Markov models. Markov models are very powerful and complex model for calculating the reliability of advanced systems. Their suitability is explained here for recovered systems, which may contain absorption states. The next chapter describes the standby redundancy. Discusses the advantages and disadvantages of static, dynamic and hybrid standby. There is described the influence of different load levels on the service life. The sixth chapter is devoted to the implementation, description of the application and description of the input file in XML format. There are discussed the results obtaining in experimental calculations.
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Čepl, Ondřej. „Optimalizace Rankineůva-Clausiůva parního cyklu“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230982.
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This diploma thesis deals with an optimization of Rankine-Clausius steam cycle. The theoretical information about the Optimization and the Rankine-Clausius cycle are described at the beginning of the thesis. These theoretical findings are later used to create simulation models in MATLAB. Individual simulation models are variants of the ideal R-C cycle. Simulation models include the basic cycle model, the supercritical cycle and the cycle with reheat. For these models the optimal configurations are found and their t-s diagrams are plotted.
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Votruba, Pavel. „Zlepšení podnikových procesů pomocí simulačních modelů“. Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-75496.
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Simulation models are used to analyse company processes. The purpose is to create a model in simulation software that will represent the behaviour of the company. Options to improve the current situation are investigated by observation of the studied system and subsequent experimenting with the model. This work deals with the situation in the company, which focuses on lease and service of working platforms. New headquarters is being built to provide better services and changes in offer of leased working platforms are being considered. Model of the company is created in software SIMUL8. Next step is to perform simulation experiment and summarize the results. Input values are adjusted according to these results, which leads to a more favorable solution. The aim of this work is to optimize the working capacity and improve the structure of offer of leased working platforms.
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Toman, Jiří. „Simulační modelování elektrických pohonů pro vybrané kritické aplikace“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-364599.
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The dissertation thesis with the topic „Simulation Modelling of Electrical Drives for Selected Critical Applications“ focuses on the area of given applications in civil aviation. The selected application that the thesis deals with is an electrically driven and electronically controlled fuel pump supplying fuel to an aviation motor of the APU type. The thesis gives a comprehensive description of the design cycle of the unit and demonstrates implementing all the required critical functions. In the course of the design of the unit modern techniques in mathematical modelling, simulation, verification, monitoring and prediction of the operation status of airborne equipment were uses to the utmost extent. The purpose of these was to show the suitability of their application with regard to decreasing design time and cost, increasing lifetime and servicing intervals, as well as increasing user comfort and decreasing price. At the same time the required reliability was to be kept. The thesis also aims to prove and verify the suitability of using electronically commutated dc motors in critical applications in civil aviation. To reach this goal, it is necessary to design a robust drive control which would meet the given reliability requirements.
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Jedlička, Martin. „Porovnání alternativních režimů provozu výtahů pomocí simulace“. Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-202048.
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The topic of this thesis is vertical transportation where multiple elevators are controlled by group traffic control. The elevators controlled by group traffic control are coordinated in order to work more efficiently than elevators that are only physically placed next to each other. The objective of this thesis is creation of a program, which allows modelling of operation of a lift triplex situated in Rajská building in Žižkov campus of the University of Economics in Prague. Applied method is discrete simulation performed in R software. Created script allows simulation of operation of elevators according to several described algorithms and subsequent comparison of their influence on the performance of the system. Using simulations the most suitable group traffic control is found and it is shown that shared memory used for cooperating units positively influence the service.
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Valenta, Jaroslav. „Systém pro měření kvality elektrické energie“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219302.
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This thesis deals with the measurement of power quality. The evaluating quality parameters, data collection systems and transfer technologies will be discussed. The various type of cryptographic algorithms are also described. Cryptographic algorithms, which ensure to secure data communications from remote collection points of measurement, will be realized. These cryptographic algorithms will be realized in MATLAB and C/C++. The last part is focus on designed and implemented a simulation model to telemetry the power quality.
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Hubeňák, Marian. „Návrh a implementace modelů efektů v simulačním systému OneSAF Testbed Baseline“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2009. http://www.nusl.cz/ntk/nusl-412819.
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This project deals with the modelling and the simulation, its basic characteristics as well as its respective branches. The majority of the project is aimed at modelling and simulation in military environment with a description of the asset in this area while considering different uses of these simulations. I also introduce the development of modelling and simulation in the army of Czech Republic. The project also deals with the constructive simulation and tries to bring out the OneSAF Testbed Baseline simulation system. At last, I propose some concepts of models for this particular simulation system - the model of psychological effects and the model of generating the rubble during the operations of the artillery.
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Miklica, Jan. „Návrh modelu pohybu pro nano-zařízení v simulačním prostředí NS-3“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220624.
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This thesis focuses on the description of nanocommunication networks, models for wireless communication networks and the description of motion in nanocommunication networks. The practical part describes the settings of the simulation scenarios for the definition of Brownian motion. Description is made for the simulation software NS-3 and N3Sim. In this thesis, the measured results of the simulations are summarized in tables and graphs. From the measured results the regression analysis is prepared. General summary of the results is provided at the end of thise thesis.
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Hájek, Jiří. „Zkoumání chování distribučního řetězce na příkladu Beer Game“. Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-76112.
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The paper examines the behavior of the supply chain through a system dynamic model. The theoretical part presents system dynamics, the Beer game and the simulation environment in which the model was created. In the practical part, the response of five surveyed decision-making order rules on the 4 patterns of demand is analyzed.
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Kollárová, Veronika. „Využití simulačních modelů a vícekriteriálního rozhodování v letecké dopravě“. Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-206671.
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This master thesis deals with practical application of simulation models and multi criteria evaluation of different alternatives in the field of air transport. The aim of this thesis is to show, and demonstrate using a simulation as a possibility of improving arrival and departure capacity of the M.R Stefanik Airport in Bratislava. There is a selection of low cost airlines based on a customer opinion. These airlines could increase the number of offered flights from the airport. Descriptions of various simulations can be found in the theoretical part, same as WSA, TOPSIS and MAPPAC, subsequent demonstration of these methods is shown in the practical part. The thesis is based on the results of practical application of simulation models followed by the application of multi criteria evaluation of alternatives. Furthermore this thesis compares the final results of the arrangement of low cost airlines using different methods.
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Šejnoha, Michal. „Použití předpovědního modelu při řízení hydroenergetické funkce vybrané soustavy nádrží“. Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240317.
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The diploma sthesis is focused on verifying the influence of the length of the prediction period and the accuracy of the predicted mean monthly inflows of water sources in the management of hydropower function selected water management system. To determine the predicted inflows into the reservoir system is applied zonal prediction model. When the solution is used a simulation model that is hand-built in Microsoft Excel and optimization model, which is automatically built into the program SOMVS and is applying the principles of adaptive control.
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Kolařík, Jan. „Aplikace pro vzdálenou editaci DEVS modelů a řízení simulace na simulačním serveru“. Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2013. http://www.nusl.cz/ntk/nusl-236388.
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This thesis describes the design and implementation of an client-server application. This application is used to remote access to models of systems, which are saved on the server. Application also provides editation of the models and their simulation. In the thesis there is a design of Communication Protocol between the client and server too. For the implementation of the client and prototype of the server was used Qt library. Server is realized as a part of existing simulation core (SmallDEVS), which is implemented by Smalltalk.
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Bezchleba, Josef. „Pokročilé modelování chování protokolu SNMP v simulačním prostředí OPNET Modeler“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217562.
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The aim of my diploma is to introduce the SNMP protocol designed for remote device management to the readers and present its implementation into the Opnet Modeler simulation environment. For the implementation the DiffServMIB database has been chosen, which describes the components of differentiated services mechanism. My diploma thesis describes in detail the possibilities of application of the DiffServMIB database in traffic management. The design of a simulation model, which represents the differentiated data processing in input and output direction on a router interface, is also introduced. Next, this model is implemented into the Opnet Modeler simulation environment. The goal of this simulation model is the possibility of simple configuration of individual MIB attributes. In my work I also suggest an implementation method able to interconnect the MIB database with the configuration process of the active network element - with focus on output procedures of DiffServ mechanism.
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Klimeš, Roman. „Aplikace diskrétní simulace pro koncepční plánování v hromadné výrobě automobilů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228018.
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This thesis deals with questions of creating of the universal simulation model of new planning production in the company Škoda Auto a.s., with which will be possible to check planning of future concepts. The model of manufacture will be used for connection of partial operations (body shop – paint shop – assembly line), where individual input parameters will be defined in the program Excel with a following possibility of automatic parameterization of the simulation model. According to experiments of the simulation will be possible realized a detailed analysis of results of the simulation. The model will be created in the simulation system SimPro, which belongs to a group of programs with the discrete event simulation.