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Design of Electric Drive Motorcycle
Krčma, Martin ; Karásek, David (referee) ; Křenek, Ladislav (advisor)
Subject of this masters thesis is design of an electric travel motorbike. At first, current market state is analysed. Then, based on the completed analysis, a new product is designed that fulfils mechanical, ergonomic and aesthetic requirements. Part of this work is a search for new technologies and their incorporation in the design.
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Fast and Partially Translated Simulator for Application-Specific Processors
Richtarik, Pavel ; Krčma, Martin (referee) ; Zachariášová, Marcela (advisor)
The major objective of this work is to analyse possibilities of using simulation within the development of application-specific instruction-set processors, to explore and compare some common simulation techniques and to use the collected information to design a new simulation tool suitable for utilization in the processors development and optimization. This thesis presents the main requirements on the new simulator and describes the design and implementation of its key parts with emphasis on the high performance.
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Big Data Processing from Large IoT Networks
Benkő, Krisztián ; Podivínský, Jakub (referee) ; Krčma, Martin (advisor)
The goal of this diploma thesis is to design and develop a system for collecting, processing and storing data from large IoT networks. The developed system introduces a complex solution able to process data from various IoT networks using Apache Hadoop ecosystem. The data are real-time processed and stored in a NoSQL database, but the data are also stored in the file system for a potential later processing. The system is optimized and tested using data from IQRF network. The data stored in the NoSQL database are visualized and the system periodically generates derived predictions. Users are connected to this system via an information system, which is able to automatically generate notifications when monitored values are out of range.
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Experimental comparison of recycled and non-recycled filament of ABS plastic
Grygar, Filip ; Krčma, Martin (referee) ; Koutecký, Tomáš (advisor)
Plastic waste which arises from 3D print could be recycled. One of the most used materials is ABS with which this degree work deals. During recycling of ABS mechanical qualities rapidly deteriorate which is compensated by adding non-recycled ABS. This degree work dealt with a ratio of 25% of recycled to 75% of non-recycled material which is a ratio not have been tested so far, and most likely represents a boundary ratio when recycling still makes sense. Unfortunately, it was not possible to extrude from a recycled material a filament of high-quality enough which could be used for problem-free print. It was influenced by non-homogeneity of crushed components and the construction of an extruder. For improving the characteristics a more complex extruder would be needed, with a bigger screw diameter or with two screws, and also a cooling system with more zones. Professional grinders with screens would have to be used for improving homogeneity of the material. The melt flow index of the liquid alloy and the testing of the filament itself showed that this way is practicable and such a recycling is realistic.
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Design of coffee grinder
Krčma, Martin ; Buganská, Tamara (referee) ; Ondra, Martin (advisor)
Subject of this bachelor thesis is desing of a coffee grinder. This product is studied from historical, technical and designer points of view. Then, based on the completed analysis, a new product is designed, one that meets ergonomical, technical, aestetic and social requirements.
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System for Automated Server Administration
Pavelka, Martin ; Pánek, Richard (referee) ; Krčma, Martin (advisor)
The goal of this diploma thesis is to design the user interface and implement the information system as a web application. Using the custom implemented library the system communicates with GraphQL server which manages the client data. The thesis describes possible solutions for physical servers automatization. The application provides the application interface to manage virtual servers. Automatization is possible without human interaction. Connection to the virtualization technologies is handled by web interface APIs or custom scripts running in the virtual system terminal. There is a monitoring system built over project components. The thesis also describes the continuous integration using Gitlab tools. Running the configuration task is solved using the Unix CRON system.
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Spatial 3D printing methods
Skurka, Šimon ; Vespalec, Arnošt (referee) ; Krčma, Martin (advisor)
This bachelor's thesis deals with methods of spatial 3D printing, which can solve many problems of manufacturing by fused deposition modelling. The aim of this thesis is to describe their strengths and weaknesses, requirements for hardware, software and their benefits to the world of 3D printing. Methods are introduced in the first part of the thesis, while the final evaluation is placed further.
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The Computer Game Inspired by a Desk Game
Mikuláštík, David ; Lojda, Jakub (referee) ; Krčma, Martin (advisor)
This thesis deals with a transformation of a board game to a computer game and its implementation. Its summarizes rules of original game and discusses about issues of transformation them to rules of the computer game. It describes practical aspects of implementation and usage of design patterns. It evaluates feedback and design further development of the game.
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Acceleration of Applications Using Specialized Instructions
Mikó, Albert ; Krčma, Martin (referee) ; Hruška, Tomáš (advisor)
The design of specialized instructions for application specific processors is a challenging task. This thesis describes the issues of effective specification and use of specialized instructions for optimization of applications. It focuses on improvements of the outputs and usability of the semiatomatic method of selection of specialized instructions to allow the optimization of complicated applications. This method combines manual selection of instructions by marking a section of source code in the application and automatic generation of the instruction description in the modelling language.
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