National Repository of Grey Literature 108 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
Sensorless velocity control and positions of d.c. low-power brush motor
Svoboda, Jan ; Hanák, Pavel (referee) ; Prajzner, Václav (advisor)
This bachelor's thesis focuses on sensorless control of low load brushed DC motor that is used in the actuators made by the Honeywell company. The first part provides an introduction into motor control and common used methods of speed and position sensing of brushed DC motor. Sensorless method of sensing described in this work is the detection of commutation pulses from the signal of motor current. These pulses are caused by brushes leaping over the commutator bars. Correct evaluation of commutation pulses can provide the information about velocity and position of the motor. This relatively new method of detection of commutation pulses is investigated and arising problems are demonstrated on measured samples of signal. Suitable methods of signal processing are then proposed. Infallibility of these signal processing methods is then proved on the set of signals measured under circumstances of supply voltage and abrasion. Then it is decided which signal processing method that sensorless control system can use is the best.
Aircraft Flight Controls Actuator - Modeling and Control
Kolář, Bohumil ; Kopečný, Lukáš (referee) ; Pohl, Lukáš (advisor)
The aim of this bachelor thesis is to compile and control the actuator model, which approximates the behavior of a real actuator under load. The work describes individual types of actuators and their properties. The mathematical model of the actuator is also described. This model consists of a motor and a load. The mathematical model is applied in the Simulink environment where a control structure was designed and added. The work also describes the construction of the real actuator and its subsequent testing in the ControlDesk. The results of the individual test are in the form of step responses.
Design of intelligent wiring Foxtrot for multipurpose building
Račuch, Marek ; Tesař, Radek (referee) ; Bátora, Branislav (advisor)
The present bachelor thesis is concerned with system wiring. Possible applications, various types of bus systems and wiring topology are discussed in the paper. The thesis is structured into three main sections. Section 2 elaborates on the capabilities, structure and topology of system electro installation and the third section discusses a system electro installation Foxtrot in particular, describing individual components with an overview of basic modules for utilization in residential buildings. The overall structure of system wiring is described along with a brief description of basic system components of Tecomat Foxtrot from Teco a.s. company suitable for home installation. Section 4 focuses on description of the designed object and for the proposal of the whole project of system wiring using the elements of the Foxtrot system for multipurpose building.
Engineering design of conveyor
Chmelík, Jiří ; Čípek, Pavel (referee) ; Foltýnová, Dana (advisor)
The bachelor thesis deals with the design of a conveyor for transporting welded beams with variable dimensions. At the beginning of the work are listed some conveyors, which are commonly used in practice. Following analysis of available design solutions, design designs of equipment, their description and based on comparison was chosen the most suitable design solution. In the course of work is performed safety analysis of selected nodes. At the end of the work is evaluated the whole construction and elaborated the drawing documentation of the device. The proposed solution can also be used to transport parts of similar shapes.
Controlled lighting and shading in smart house
Novák, Michael ; Morávek, Jan (referee) ; Bátora, Branislav (advisor)
This bachelor‘s thesis is focused on controlling lighting and shading in a smart house. Lighting control covers switching and dimming mechanisms. This thesis presents dimming options for different types of light sources. Following this is an overview of shading devices and system wiring, often called smart wiring. Specifically, the thesis focuses on the Foxtrot system from Teco a.s.. This work describes the sensors and actuators used for switching, dimming and shading control devices. New library of functional blocks for lighting and shading control for Foxtrot system was created, for they were not included in any standard library. All functional blocks that have use in the control of lighting or shading - including standard ones - are described in this work.
Control of conveyor belt for testing room
Lorenc, Michal ; Pásek, Jan (referee) ; Macho, Tomáš (advisor)
The work deals with programing of conveyor system, controlled by PLC. The first part is analysis of the controlled technology a describtion of required function. The following is an introduction to the programming environment, PLC, sensors, actuators and controls. Second part is a proposal for the solution of the function of the conveyor system and its implementation. Then the whole system is tested, evaluated and suggestions for improvement are submitted.
Turbocharger control systems
Fraňová, Zuzana ; Kaplan, Zdeněk (referee) ; Píštěk, Václav (advisor)
This thesis is of a search character with primary focus on turbocharger control systems. The work is divided into two main parts. The first part is focused on turbocharging fundamentals and the second part deals with turbocharger control systems (wastegate, VNT, VGT) and actuation of these systems.
Draft of intelligent wiring for a house with a PV system and its economic evaluation
Brtnický, Pavel ; Ptáček, Michal (referee) ; Bátora, Branislav (advisor)
This master´s thesis applies to design of power and data wiring controlle by an intelligent wiring. The aim is to get to know the issue and design a project for family house that includes fhotovoltaic power station. In the introduction is a description of the inteligent wirings, its potential, topology, advantages or disadvantages towards standard electroinstallations,it also presents an overview of widely used intelligent wiring, especially Foxtrot. What follows is the subject itself for what is the project designated for. The next topic will be a presentation of complete electroinstallation and photovoltaic power station. It all ends with an economic evaluation of the whole project.
Control System for Mobile Platform
Sárközy, Imrich ; Kopečný, Lukáš (referee) ; Žalud, Luděk (advisor)
The aim of this work is to design a control system for a mobile platform with an AVR microcontroller. It’s function is to control two DC motors, one stepper motor and read information from sensors. At first, our work is to develop an electrical scheme and circuit boards for the control system. Debug the microcontroller’s program for correct handling of the peripherals. The next step is to connect sensors for non electric quantity and modify the microcontroller’s program to handle them and send received data from them via bluetooth connection.
Sensorless control of revolutions and position of DC motor
Kakáč, Petr ; Minář, Jiří (referee) ; Prajzner, Václav (advisor)
This thesis deals with the management and control of DC brush motors used in Honeywell actuators. The introduction describes the types of DC brush motors and possibilities of regulation. We chose the method of compensation of the load characteristics. The basic requirement for this job is a requirement to ensure constant engine speed under various load torque. For this requirement it is necessary to develop a mathematical model of the static engine, calculate, verify that the motor constants and, not least, the implementation of the static model for a given engine. The work focuses on the limits of such an engine control or the limitations that we created conditions in practice.)

National Repository of Grey Literature : 108 records found   previous11 - 20nextend  jump to record:
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