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The robotic system state indicator
Kovaľová, Alžbeta ; Kubíček, Michal (referee) ; Šotner, Roman (advisor)
This bachelor thesis deals with the design and creation of a status indicator for robotic system developed in Y Soft. Part of this work is the design and implementation of communication between the status indicator and the superior device testing system. A printed circuit board is designed and constructed, and then a microcontroller is programmed and the CAN bus communication is implemented. Subsequently, the device is integrated into the company system for robotic testing, where its functionality is verified.
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Computerized Weapon Live Test
Venhoda, Jaroslav ; Kubíček, Michal (referee) ; Frýza, Tomáš (advisor)
The master thesis deals with the design of device used for gun prototypes testing purposes. It aims at electrical part of the design which controls a stepper motor which through mechanical gear initiates trigger of tested prototype periodically. The core of design consists of the DRV8711 integrated circuit which controls a stepper motor. The integrated circuit is using the microstepping driving technique. The main logic of designed device is controlled by PIC32 microcontroller unit which also communicates with PC through USB bus.
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Programmable ignition system for spark-ignition engine
Friedel, Daniel ; Kubíček, Michal (referee) ; Tošovský, Petr (advisor)
This thesis is concerned with design of programmable capacitive ignition, powered from board grid. Universality of the system, especially possibility to change values of timing of early spark via changes of programme in microcontroller was taken as major goal. Microcontroller is used as the operative element of ignition. Commonly used methods for sensing of engine speed and managing of ignition are defined and explained at the begining of the thesis. Also is presented realisation of hardware and software part and draw up the methodology calibration of the speed sensor. The ignition is designed to avoid the need to intervene in the high voltage ignition system.
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Receiver for remote control
Zdařil, Tomáš ; Kubíček, Michal (referee) ; Kolka, Zdeněk (advisor)
This bachelor’s thesis deals with design and construction facilities that will serve as the receiving module of infrared remote control.This modul will be controlled by the direction of rotation of antenna rotator.Part of this work is theoretical analysis of the issue.It also includes information on selection of appropriate components,primarily for the control microcontroller involvement and thein description of the overall wiring diagram.In the practical part contained information on the construction of this facility,including all documentation and set up the program for the microcontroller that is included on the enclosed CD.At the end of the dokument is a summary of the results of the work.
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Control unit for an industrial convection oven
Augustin, Stanislav ; Dušek, Martin (referee) ; Kubíček, Michal (advisor)
The contents of this semestral thesis is to explore ways to design of controll unit for convection oven for prototype transformers production for welding technology and design a scheme of the unit. The controll unit must be able to regulate the ambient temperature inside the oven using a power management of heating elements (for example heating rail) inside the oven.
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Advancements in the development of a proportional counter measuring system
Kolář, Ondřej ; Kubíček, Michal
This paper is an interim report of theory and continuouswork on the proportional counter measuring system. Thefirst part of the article covers general principles and propertiesof several types of electronic detectors for measuring the ionizingradiation fields including the proportional counters, to highlighttheir positives and negatives. The following part discusses theprocessing of proportional counter output signal. Next, theconducted measurement of a neutron source is described, and itsresults are shown. Based on the gained experience, the simulationand design of a new preamplifier for the measuring system wascarried out.
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High-power LED driver for under-water communication
Hroch, Vojtěch ; Barcík, Peter (referee) ; Kubíček, Michal (advisor)
This bachelor thesis is focused on design of a transmitter for optical links in water using power LED. This thesis analyzes commercial availability of LEDs and their properties, power transistors needed to switch the diods and choice suitable transistor drivers. Furthermore, the thesis is focuse on modulations, which are using in optical communication. Work mentions some aspects of this issue for the underwater signal transmission in terms of the required wavelength depending on the attenuation of optical signals in water. Next solved problematic is designs of circuits including the the design of printed circuit boards. Last part in this work is evaluation of achieved results in comparison with expectations and the possibility of futher improvements.
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Smart charger with cell identification
Alechko, Ivan ; Harvánek, Michal (referee) ; Kubíček, Michal (advisor)
Cílem bakalářské práce je zvolit vhodnou metodu pro identifikaci jednotlivých akumulátorových článku a vybrat vhodný způsob jejich nabíjeni. Ze zvažovaných metod identifikace jsem vybral jako vhodnou technologii RFID. V práci je popsán princip identifikace včetně konkrétního návrhu pro následující realizaci funkčního zařízeni. Část práce je věnovaná problematice nabíjeni akumulátorů. V této části je detailně popsán charakter nabíjeni článku v závislosti na jeho chemickém složeni. Pro realizaci (demonstraci funkce) jsem zvolil technologii nikl-metal hydridových článků (Ni-MH). Důraz jsem kladl na bezpečné a zároveň efektivní nabíjeni. Dalším úkolem bylo navrhnout metodu dlouhodobého sledování stavu akumulátorů v průběhu více nabíjecích cyklů. K tomu bude sloužit mikrokontrolér, který bude pro každý článek zaznamenávat údaje o nabíjecím cyklu.
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Vehicle Safety Systems
Langr, František ; Kubíček, Michal (referee) ; Povalač, Aleš (advisor)
This thesis looks into car industry safety systems research and an appropriate implementation into a scale model (demonstrator). For the model there are selected active safety systems based on distance sensors of various principles. The thesis contains a detailed description of the selected sensors together with the selection of a suitable demonstrator control device. There are active and passive safety and vehicle assistance systems explained. The thesis further discusses the design of individual 3D printed parts of the demonstrator chassis and their development. The components and circuitry of the PCB are also described, along with the safety algorithm used and the operating firmware.
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Smart charger with cell identification
Podaný, Matěj ; Povalač, Aleš (referee) ; Kubíček, Michal (advisor)
This thesis is looking for a suitable method of unambiguous identification of charging cells, so that it can monitor their capacity in the long term and eliminate defective cells. It proposes several such methods where only the most suitable one is selected for the subsequent demonstration. It describes the basic properties of rechargeable cells and selects the one that could be used to demonstrate the selected method of cell identification. It designs an intelligent battery charger which demonstrates the chosen method of identification on modified charging cells.
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