National Repository of Grey Literature 71 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Functional model of a small hydro power plant control unit
Rusnák, František ; Arm, Jakub (referee) ; Benešl, Tomáš (advisor)
This semester work deals with realization of functional model of control unit for hydroelectric power station. Main task of this work is realization rectifier with active power factor correction, which is used instead of commonly used frequency converter. Control unit is designed for asynchronous motor in generator operation with self-excitation. The propeller turbine is used as propulsion. Theoretical part includes theory of the PFC converters. Practical part includes calculations for components of PFC converter and assembly of DPS PFC converter.
Transfer and processing sensoric data over NB-IoT network
Štěpka, Jan ; Arm, Jakub (referee) ; Bartík, Ondřej (advisor)
This thesis deals with the wireless sensoric data transmission over NB-IoT network. The theoretical part of this thesis is dedicated to the analysis of LPWAN technology, which is used in IoT devices. And it is also dedicated to the comparison and the analysis of possible NB-IoT providers. Practical part of this thesis deals with the software design for NB-IoT device, which measures physical data and transmits them to the server. Lastly, data are parsed and displayed on the web page.
Cartesian manipulator
Bačkovský, Tomáš ; Arm, Jakub (referee) ; Benešl, Tomáš (advisor)
This bachelor thesis deal with the design of the control of an industrial two-axis manipulator, which will serve as a palletizer of egg spacers. Part of the work is the theory and selection of actuators, description of individual parts of the manipulator. The practical part deals deals with designing of complete electrical documentation, completion of control software and visualization of the panel. Finally, the individual parts are tested on a real manipulator.
Collection and visualization of data from the vehicle driving simulator
Viater, Dominik ; Arm, Jakub (referee) ; Michalík, David (advisor)
In this bachelor thesis, I deal with the collection and visualization of data from a vehicle driving simulator. In the theoretical introduction, I deal with the description of the game engine Unreal Engine 4 and its editor, web server search, open-source database search. The practical part deals with data collection from simulation, comparison of two types of data collection, and then visualization of this data.
Stepper motor driver equipped with industrial communication
Nepivoda, Tomáš ; Baštán, Ondřej (referee) ; Arm, Jakub (advisor)
The main goal of this bachelor thesis is to design and realize driver for stepper motor, which could be controlled by supervising system using modern industrial communication network. The basis od this thesis is theoretical study on the subject of stepper motor drivers and industrial communication in the field of embedded systems. This theoretical study is then used for selecting the proper communication network and creating concept od the stepper motor. Thesis further describes design procedure and realization of hardware components and subsequent implementation of frimware. Last part of the thesis is dedicated to the creation of simple master device, which would be used for driver testing.
ERP system for Barman project and its integration
Konrád, Jan ; Kaczmarczyk, Václav (referee) ; Arm, Jakub (advisor)
This bachelor thesis examines basics of modern production management with the use of Enterprise Information System. More specifically with the use of ERP with relation to MES. The first part of the thesis is about concepts of production management, basis for information systems, ERP and MES, their implementation and integration. Next chapter of the thesis is about individual existing solutions of ERP systems. The second part of the thesis is about author's idea and realization of the ERP system tailored for project Barman.
Injection moulding machine prototype
Cikryt, Adam ; Jirgl, Miroslav (referee) ; Arm, Jakub (advisor)
This work deals with the design of a prototype injection molding machine for the company Elzaco s.r.o. The work includes theoretical analysis which breaks down injection molding machine into individual components and describes their functionality and their important parameters. Based on the analysis and determination of critical parameters of the injection molding machine, a detailed model of the injection molding machine is created. There are also requirements for electrical components such as motors, power supplies, heaters, temperature sensors, control electronics. The method of controlling such a machine is also discussed.
Heart rate measurement system with wireless data transmission
Valenta, Jakub ; Arm, Jakub (referee) ; Michalík, David (advisor)
The presented Bachelor's thesis covers the topics of designing and manufacturing a device used for measurement of a car driver's pulse frequency. An electrocardiogram is used to measure cardiac activity. The measured data is sent wirelessly to a local server where it's stored in a prepared database. Correct function of the device is demonstrated through an experiment performed in the second part of the work.
Tool change system for 3D printer
Karniš, Radim ; Arm, Jakub (referee) ; Bradáč, Zdeněk (advisor)
The aim of this thesis is to design and implement a toolchaning system for a 3D printer. As a consequence of such expansion, the printer gains the ability of multimaterial printing and switching between a number of active and passive tools during a single production process. In addition to extensive research of other currently available solutions, this thesis describes the complete mechanical and electrical design process of the device. It also documents the implementation of a functional sample, the creation of software both for the base system and the toolchanger expansion, and the implementation of an associated optical measurement and calibration system.
Data concentrator
Dvorský, Petr ; Arm, Jakub (referee) ; Fiedler, Petr (advisor)
The topic of this thesis is the design and realization of a modular Data concentrator for various types of measurements in diverse conditions. The device conception, basic principles, design and functionality are described herein. Also, the lightweight protocol design for radio communication, standardized XML format for data storage and cloud usage are described. The electrical design of the device as well as the design of the printed circuit board was made using the Eagle Autodesk electronic design automation software (Eagle Autodesk EDA). The control software written in C/C++ for a target microcontroller (ESP32-WROOM-32) is based on a FreeRTOS platform and ESP-IDF framework. An IDE for managing this software is Visual Studio Code with PlatformIO extension. Selected and used Cloud Platform is ThingSpeak from Mathworks, which uses certain components from Matlab platform.

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