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Street Lighting Control
Kořenek, Jan ; Krbal, Michal (referee) ; Štěpánek, Jaroslav (advisor)
This bachelor thesis deals in a theoretical part with the origin of the light, his features and lighttechnical quantities. There are also characterized light sources, which are currently most used to control street lighting. There are further described basics of the street light and currently most used ways of street lighting control. Further part of this thesis is focused on practical control of different types of light sources and monitoring their parameters, such as luminous flux, power, efficiency or correlated colour temperature during voltage reduction. These light sources are high pressure sodium lamps, halogenid lamp, fluorescent lamp and high pressure mercury lamp. Main conclusion from measurements are several cross characteristics, where is possible to monitor behavior of the parameters during voltage reduction. The last part concerned about practical street lighting control in Bezděkov, which is a village located near Havlíčkův Brod. There was connected the dimmer. On the street was created net of points according to the standard. In these points were measured illuminance for voltage 230 V and then for lower voltages 210 V and 190 V. These values were processed and average and minimum value was compared with the value defined in the standard.
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Examples of governings with predictive controls
Šalda, Zbyněk ; Švarc, Ivan (referee) ; Němec, Zdeněk (advisor)
This thesis deals with model predictive control principally Based Predictive Control (MPC). The first part describes the principle of predictive control, cost function, the choice of a constraints in regulation and the choice of weights. In the next section is an analysis system: a system with non-minimal phase (control water turbine), oscillating systems (trolley frame control) and system with a time-delay . In all of these systems is performed classical feedback control using PID control and concurrently regulation with the MPC. MPC is selected as the solution fy Mathworks Model Predictive Control Toolbox and Simulink. The results are then analyzed using the criteria of quality control.
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Vacuum End-Effector Integrated in robotics station
Baják, Zdeněk ; Pavlík, Jan (referee) ; Blecha, Radim (advisor)
The subject of this thesis is to complete the project vacuum end effectors for handling objects plate type. The work includes the completion of a 3D model, drawing, computer simulation uchopovacího positioning system, the draft control system for stepping motors and verification functions of effectors with the industrial robot ABB IRB 4400/60
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Cascade Boiler Houses of System Regulation
Smola, Vojtěch ; Rubinová, Olga (referee) ; Formánek, Marian (advisor)
This bachelor’s thesis is about designing cascade of condensing boilers and regulation for four storey house with unheated basement. Cascade consists of three condensing boilers that are controlled by the three-zone weather-compensated control. Heating systém is controlled via shung circuit with electronically controlled mixing valves. The heating system is designed to ensure the smooth function of the heating systém and the boiler operates as the largest part in condensing mode. In this thesis were designed mixing control units and control valves to operate across the range. The proposed heating system meets the requirements for housing corresponding to European standards.
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Analog system SW simulator
Košta, Ondřej ; Kaczmarczyk, Václav (referee) ; Bradáč, Zdeněk (advisor)
This Master’s Thesis focuses on development and realization of analog system software simulator for simulation of various kinds and orders systems and for function verification of microcontrollers’ control systems. The development and realization of PSD controller is part of this thesis as well. The simulator is written in C++/CLI programming language which combines fast execution of native code and provides an advantage of managed code which has its execution managed by the .NET Framework. The data acquisition is performed via National Instrument’s USB multifunctional DAQ. The PSD regulator is realized by using modern ARM processor architecture.
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Construction of ultralight aircraft control
Marek, Ondřej ; Šplíchal, Jan (referee) ; Juračka, Jaroslav (advisor)
This bachelor thesis deals with control of ultralight glider D-14. Based on the research of applied construction solutions of ultralight airplanes I designed my own solution of the specific elements and construction nodes. Also, in accordance with the UL-2 directive load of main control systems are determined. 3D model of the glider fuselage with the elements of the particular assemblies is attached.
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Audio D/A converter with external control using microcontroller
Špaček, Jan ; Stifter,, Jiří (referee) ; Kratochvíl, Tomáš (advisor)
This diploma thesis is devoted to the design of a laboratory measurement tool with DAC converter for audio and low frequency signals. In the introduction part a theoretical background of the ADC and DAC conversions are outlined. In the next chapters the technical solution of the laboratory converter is presented, including DAC with integrated circuit AD1852 and completed with digital audio receiver CS8416. This circuit secures compatibility with external audio devices with digital interfaces, like SPDIF or AES3. The digital receiver and audio DAC are added with serial communication interface for setup of the most audio and input parameters. This setup is operated by external microcontroller ATmega32 and original firmware. The thesis presents block diagram and schematic layout of the laboratory converter, including complete technical documentation for the construction and design.
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