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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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Using artificial intelligence to monitor the state of the machine
Popara, Nikola ; Bražina, Jakub (referee) ; Kovář, Jiří (advisor)
This thesis is focus on monitoring state of machine parts that are under the most stress. Type of artificial intelligence used in this work is recurrent neural network and its modifications. Chosen type of neural network was used because of the sequential character of used data. This thesis is solving three problems. In first problem algorithm is trying to determine state of mill tool wear using recurrent neural network. Used method for monitoring state is indirect. Second Problem was focused on detecting fault of a bearing and classifying it to specific category. In third problem RNN is used to predict RUL of monitored bearing.
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Communication assembly for optical cableless linking
Kapuš, Martin ; Kovář, Jan (referee) ; Kolka, Zdeněk (advisor)
This Graduate Thesis is about communication module for optical wireless network. This device read data from RS232 port and two analog inputs and sends it through internet to a remote Computer. Furthermore allows voice communication between local user on module and user on remote computer. Device allows communication with standard headphones and microphone, or with Bluetooth handsfree. Basic part is microprocessor MCF5223 and Bluetooth Ezurio BISM II module. Control program has been written in C language. Printed circuit is created by EAGLE program. This device is managed via web interface and settings have been stored into EEPROM memory. Work contains description of separately parts and blocks, source code of program, description of source code and printed circuit designs.
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MS Excel and Word Add-In for retrieving data from SQL database
Kamrla, David ; Vojáček, Zdeněk (referee) ; Kovář, Jiří (advisor)
This bachelor thesis focus on development and implementation of the Add-In for Microsoft Excel and Microsoft Word programs for a straight-forward access to the SQL database and writing results into an active worksheet or document. The Add-In creates user-friendly access into the Conference database for Institute of Automation and Computer Science for frequently used SQL queries. The Add-In can be reconfigured to be aligned for work with another database without change to the source code.
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Magnetostrictive materials for mechatronics
Rusková, Miroslava ; Kovář, Jiří (referee) ; Hadaš, Zdeněk (advisor)
The aim of this work is to outline and use or application of magnetostrictive materials and possibilities of mathematical modeling their behavior. Magnetostrictive is the physical character of the material, occurs in the most ferromagnetic materials and leads to many effects. Magnetostrictive materials are more often used to in various branches of engineering.
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Handset based computer control
Kovář, Jan ; Kouřil, Jiří (referee) ; Polívka, Michal (advisor)
The master's thesis is focused on Java based solution of remote PC control using a mobile phone. Application is made up of client and server, which are communicating via Bluetooth interface. The client represents a mobile application (MIDlet) and commands sent to the server. Server, run on a computer (with any operating system), read these orders and evaluate their algorithms to control the PC. The issue of the draft text is divided into two units, each of them describes just one part of the application. The client describes its functionality. It is also fully examines the structure of mobile application programmed in Java ME, together with the most important methods of this code. Text dealing with the server part describes its activities as well as individual options utilization. It describes the structure of the server application which is programmed in Java SE. There are also a description of the most important methods of the Java SE code. This thesis gives the results of both components of the application that allow to remotely control the computer and especially the presentation. The application was properly debugged and tested, and form a functional multiplatform software.
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Utilisations of the “Open Dynamics Engine” for modelling of mobile robots
Kovář, Jiří ; Ondroušek, Vít (referee) ; Houška, Pavel (advisor)
This diploma thesis deals with the problems of virtual physical modelling of mobile robots for the needs of their real-time control. To create a virtual physical world, an open-source project OPEN DYNAMICS ENGINE (ODE) was used, the results were displayed facilitating DirectX graphical interface. Simulated systems in ODE were written in C# on Microsoft.NET platform. The properites and qualities in ODE were verified by simulation in several types of simple systems and on a simplified robot model "Kracmera I.". Subsequently, the usability of ODE for its control was being verified.
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Design and implementation of a CANopen communication unit
Řehák, Tomáš ; Kovář, Jiří (referee) ; Houška, Pavel (advisor)
This diploma thesis describes the design and implementation of an industrial communicator for synchronization and control of electrical drive controllers with the interface of RS232 or CANopen. Hardware of communicator uses the EMX development system by GHI Electronics. Communicator software is implemented in C# by the .NET Micro Framework. Communicator allows user to adjust and control up to four electric motor drives. After a successful connection with each unit, communicator can control its position, which specify the number of revolutions to the nearest thousandth of a turn. Communicator also periodically finds out and displays the current position of the connected units. User operates the communicator with GUI, application instructions are entered via the touch screen or buttons.
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Detection of car approach speed using camera imge processing
Kovář, Jan ; Číka, Petr (referee) ; Šmirg, Ondřej (advisor)
The thesis deals with digital image processing, from the initial acquisition of digital picture frames, subsequent processing segmentation and algorithms to detect visual shapes on the scene. Image processing is a very broad topic, so here are analyzed for more understanding of the fundamental principles of perception and processing of video signals, image representation, his starting shooting through filters governing digital image processing methods to detect the objects in an image. It is also demonstrated by the size dependence of the object in the image on the distance from the camera, whereby we can determine the speed of approaching or moving away from the object. We will show you the specific determination of the distance we need to know the actual result size of the object. This is because the ratio between the size of the object depending on the distance is the same for each object. Finally, this work presents the resulting image frames for implementation using OpenCV library.
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