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The database solution for storing measurement data
Holeček, Ivan ; Andrš, Ondřej (referee) ; Kovář, Jiří (advisor)
Diploma thesis is focused on elaboration of database solution for saving measured data. In theory part analyses database query language and database management system Microsoft SQL Server 2017. Further in theory part is focused on programming environment for application development using C# .NET. Thesis includes database solution for saving measured data, service console application for saving data into the database and user application for creating new measuring, representation of data and user administration.
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Means augmented reality - research study
Trentin, Tomáš ; Andrš, Ondřej (referee) ; Kovář, Jiří (advisor)
The goal of this bachelor thesis is to create a summary of accesible information about the most widespread means of virtual and augmented reality. First section defines the difference between the virtual and augmented reality, the two subsequent chapters describe particular headsets and smartglasses, and the goal of the last section is familiarization of the software means for creating VR/AR applications and games.
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Server application for distributed computing
Svozílek, Marek ; Andrš, Ondřej (referee) ; Kovář, Jiří (advisor)
This diploma thesis deals with the realization of a server application for distributed calculations programmed on .NET platform and in C # language in development environment Visual Studio 2015. The diploma thesis is divided into the theoretical and practical part. In the theoretical part, the thesis deals with technologies, which are needed for implementation of the application. Here is how each technology is used and set up to serve the purpose of the master's thesis. In the theoretical part, functionality is shown in the examples. The practical part describes the layout of the application and the functionality of the individual part of the application. The architecture of each part of the application is presented in the UML class diagram.
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Design of quadcopter contol sytem with visual guidance
Pokorný, Ondřej ; Věchet, Stanislav (referee) ; Andrš, Ondřej (advisor)
Tato práce pojednává o návrhu a implementaci systému řízení kvadrokoptéry s vizuálním naváděním k vytištěné značce. Systém se skládá výhradně z komerčně dostupného hardwaru a open source nebo uživatelského softwaru. Jednotkami jsou například mikropočítač Raspberry Pi 3 Model B, mikrokontrolér Arduino Nano, letový kontrolér Omnibus F3 atd. V první části je nastíněna struktura navrhnutého systému a popsány vlastnosti a funkce jednotlivých komponent. Následuje přehled použitých druhů komunikací a jejich verzí specifických pro létající platformy. Nakonec je popsána architektura uživatelského softwaru společně s fungováním jednotlivých částí a důvody pro jejich přítomnost v kódu. Druhá část se zaměřuje na použití knihovny pro augmentovanou realitu ArUco za účelem odhadování polohy, dále se zaměřuje na opatření zavedená pro kompenzaci nedostatků spjatých s použitím tohoto systému. Tato část také obsahuje popis vývoje řídícího algoritmu a následného testování implementovaného řešení. Na závěr jsou navženy možné další kroky ve vývoji.
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Design of instrument for the analysis of crack initiation and propagation
Šubrt, Stanislav ; Andrš, Ondřej (referee) ; Houška, Pavel (advisor)
The main goal of this thesis is to get an insight into a field of non-destructive testing using potential drop techniques that have nowadays become the standard not only in the fatigue and loading tests but also in the industry. These methods can serve to non-destructively and continuously measure material specimens, thickness, corrosion losses, deformations, spectroscopy and detection and analysis of crack geometry. They can help to identify materials and measure material changes over time. The second part of this thesis deals with designing the aperture for detection of cracks in steam and product piping using potential drop technique modified by Ing. Ladislav Korec, CSc. Last part deals with extensive testing, experimenting and evaluation of the aperture.
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Design equipment for measurement the surface wettability
Šubrt, Kamil ; Andrš, Ondřej (referee) ; Houška, Pavel (advisor)
This paper describes the design of equipment for measuring the wettability of surfaces. Surface wettability is determined by analyzing the profile drops, in an image taken with a digital camera. After the equipment is required to automatically find and focus the analyzed drops, taking the image, measuring wettability and save the image analysis, including measurement results to a file for subsequent offline analysis and archiving. The proposed facility is designed as a three-axis manipulator. For the driving the axes are chosen stepper motors. A key factor in achieving the highest possible speed measurement is very smooth movement of the manipulator, which is achieved by controlling of motors in microstepping mode with very high resolution. Software entire system is designed in the NI LabVIEW development environment for image processing was used module NI Vision.
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OPTIMIZATION OF A FUZZY CONTROL DESIGN WITH RESPECT TO A PARALLEL MECHANISM WORKSPACE
Andrš, Ondřej ; Maga, Dušan (referee) ; Singule, Vladislav (referee) ; Březina, Tomáš (advisor)
The Ph.D. thesis is focused on using the fuzzy logic for control of a parallel manipulator based on a Stewart platform. The proposed mechanism makes possible to simulate the physiological movements of the human body and observe degradation processes of the cord implants. Parallel manipulators such as a Stewart platform represent a completely parallel kinematic mechanism that has major differences from typical serial link robots. However, they have some drawbacks of relatively small workspace and difficult forward kinematic problems. Generally, forward kinematic of a parallel manipulators is very complicated and difficult to solve. This thesis presents a simple and efficient approach to design simulation model of forward kinematic based on Takagi-Sugeno type fuzzy inference system. The control system of the parallel manipulator id based on state-space and fuzzy logic controllers. The proposed fuzzy controller uses a Sugeno type fuzzy inference system (FIS) which is derived from discrete position state-space controller with an input integrator. The controller design method is based on anfis (adaptive neuro-fuzzy inference system) training routine. It utilizes a combination of the least-squares method and the backpropagation gradient descent method for training FIS membership function parameters to emulate a given training data set. The proposed fuzzy logic controllers are used for the control of a linear actuator. The capabilities of the designed control system are shown on verification experiment.
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Machine vision implementation for control of parallel mechanism
Zábrša, Tomáš ; Kovář, Jiří (referee) ; Andrš, Ondřej (advisor)
The topic of this bachelor thesis covers issues of parallel robotics. It is focused on challenges of one particular type of parallel robot – delta robot. In this thesis it is described history of parallel robotics, kinematical calculations and machine vision. In the last part of this thesis is description of practical programming of delta robot and palletisation task using machine vision. Parallel robots have, compared to serial robots, certain advantages, but also disadvantages. Parallel robots are more stable, lower mass and they have higher accelerations and can do more work cycles. Using machine vision they can be used for sorting tasks, for example to put product into crates or sorting of machine parts.
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Design of control system for manipulating platform
Remiš, Matúš ; Andrš, Ondřej (referee) ; Hadaš, Zdeněk (advisor)
This thesis is a part of a project, in which two students participated. The aim of the project is the design and implementation of a wireless control system for the manipulation XY platform. This control system allows the manipulation platform to be battery powered and controlled wirelessly from PC. The project consists of the control system concept design, design of an electronic control unit prototype, firmware design and user control software. The parts of the project that are the subject of this thesis are firmware and software design. Within this work, a test drive unit was also created, which after connection with the control unit serves to verify the funcionalities of the control system. The proposed control system was successfully tested. The result of this work is therefore firmware and software, which can be futher developed within the project.
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