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Control of lift model
Žůrek, Martin ; Bradáč, Zdeněk (referee) ; Štohl, Radek (advisor)
My graduation theses is focused on project of algorithm proceedings laboratorial model of a lift and visualization in computer program Factory Talk View Studio. In introduction is written about industrial comunication network AS-Interface and in practise used algorithm proceedings of a lift. In following capitol is described system and several parts of laboratorial model of a lift. Not least is solved also comunication among floors of a lift, cabin and master AS-Interface and project of functional block in computer program RSLogix 5000. General purpose of master’s theses is project algorithm proceedings of a lift which use double-sided collecting proceedings. In last chapter is noticed project of visualization, which control a lift.
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Laboratory stand with RABBIT CPU
Váša, Tomáš ; Štohl, Radek (referee) ; Bradáč, Zdeněk (advisor)
This master’s thesis contains design of laboratory stand for learning programming microcontrollers. Stand is equipped with two Rabbit modules, which are connected together over local area network. Exercises are focused on working with basic peripheries as digital inputs and outputs,PWM modulation, serial communication. Exercises are interested in evaluation of matrix keyboard and communication with alphanumeric display controller. With the ability to easy access the Internet some exercises are designed for work with this interface. To these exercises is made a preparation of external peripherals. Through these peripherals there can be can be controlled DC motors, step motor, binary outputs and inputs. Each lab exercise contains an introduction, task, instructions and the flowchart of realized exercise. Instructions are written so that it contains important steps to properly manage assignments. Individual exercises are designed to gradually increasing complexity of exercises.
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Industrial state indicator
Zamrzla, Martin ; Štohl, Radek (referee) ; Bradáč, Zdeněk (advisor)
This thesis deals with study of materials needed for proposing and implementation of the industry state indicator. In the theoretical part there are describe all used components including calculations. Then there is a description of the communication interface used on the indicator. The theoretical part is then followed by a description of MODBUS protocol. The practical part is divided into a few sections. First one decribes the implementation itself together with the idicator activation. Second one describes the programme equipment of microcotroller. The conclusion is about description of the application testing.
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Charge controller for solar panel based charging of lead-acid batteries
Korenčiak, Peter ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
Tato diplomová práce se zabývá návrhem a realizací regulátoru pro použití v solárním systému s větším počtem olověných akumulátorů. Takový regulátor umožňuje nezávislé připojení a řízení nabíjení většího počtu akumulátorů různého stáří a parametrů. To je v kontrastu s řešeními obsahujícími jedno připojení pro více baterií připojených paralelně, kde se míchání baterií různého druhu a stáří nedoporučuje. Tento regulátor nabízí vysokou škálovatelnost skladování energie v solárním systému. Umožňuje také používat starší baterie s novými, místo nutnosti staré baterie nahradit, když jejich kapacita klesne pod požadovanou úroveň. V této práci jsou podrobně popsány požadavky, návrh hardwaru a softwaru a implementace regulátoru s nominálním výstupním proudem 20A pro pět 12V olověných baterií. Práce popisuje také další funkce, stejně jako alternativní návrhy a algoritmy. Důležitá část práce se zabývá designem spínačů pro velké proudy, ochrany proti zkratu a obvodů pro měření stejnosměrného proudu. Správná funkčnost regulátoru byla ověřena měřením.
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Model of small air press
Uherek, Vítězslav ; Macho, Tomáš (referee) ; Štohl, Radek (advisor)
This thesis deals with design construction of laboratory model of air press and also proposes of safety measures for this machine. Before the design itself, norms concerning machinery construction were surveyed. There are two norms mentioned in the text ČSN EN 61 508 and ČSN EN ISO 13489-1. Next part shows practical demonstration of machine safety analysis using SISTEMA software tool. Changes to the safety measures were made according to the result of this analysis. Important part of this thesis is also design of control software for the air press in RSlogix5000 environment using Ladder logic and also created visualization of pressing process and show up on to visualization panel PanelView 700.
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AS-I repeater included optical interface
Hlúpik, Martin ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
The aim of project is to develop and realize AS-I bus repeater with interface to optical wire. Communication over optical wires can prolong distances between AS-I units to hundred of meters. This solution is advantage in industry where each of AS-I units are placed far away of each other and electromagnetic field disturbance can affect communication over network. AS-I is lowest control level in industrial communication technology. Here, binary actuators and sensors in the field and process area are networked. Many of the devices connected, supply or require binary signals. The necessary data volume is small, but the speed of data transmission is very high. The first part of project is to design schematic and printed circuit board in developing system EAGLE 4.11. Verify function on testing board and make measurements with optical wire. A criterion for communication is data speed communication which has to be lower than 5ms in complete occupied 31 slaves’ bus. The second part of project is to made function sample of AS-I Repeatr and build it to package that is suitable for assembly to DIN ledge and into industrial electric switching cabinet.
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Scanning capillary column by color scanner and zones recognition
Wojnar, Petr ; Petyovský, Petr (referee) ; Štohl, Radek (advisor)
The master’s thesis focuses on creating an application for scanner control through WIA interface. This aplication is used for reading capillary during electrical separation methods in analytic chemistry. Scanned pictures of capillary are possible to process using online application for detection of significant zones within experiment. Offline detection of a set of scanned pictures is also possible. These applications have been created in LabVIEW environment made by National Instruments.
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Automation Measurement System
Zálešák, Marek ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
The follow text describes National Instruments Company's program LabVIEW and bus GPIB. The main part of the text solves the motion and description of software, which was created by help of LabWIEV program for Automation Measurement System. In conclusion of this work are the demonstration and results of control measurements, which were generated by this measuring system.
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River wireless monitor
Michník, Jakub ; Štohl, Radek (referee) ; Bradáč, Zdeněk (advisor)
This work presents hardware and software design for River wireless monitor Rabbit Core module RCM5400W. It describes possible solutions for measurement of river characteristics, in particular water level height. Pressure method measuring and selection of important electric parts are described in more detail. The software for Rabbit Core module RCM5400W and also web sites are described here.
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Analog 0-10V to Ethernet convertor
Hlúpik, Martin ; Štohl, Radek (referee) ; Bradáč, Zdeněk (advisor)
This Master`s thesis concern with problematic of connection analog sensors with voltage output 0-10V to a ethernet communication network. Due to a quick evolution and an application ethernet nets to industry and building technologies is possible to use this solution for connection remote diagnostics and setting of existing analog sensors without bus communication interfaces on instrumentation level of field bus networks. The converter is based on Rabbit module, which can be used like webserver for setting, calibration and data recording. For purpose of wide converter use the data output will be purvey on ethernet interface by Modbus TCP and on asynchronous serial interface RS232. First part of thesis is aimed on description of existing solutions and introduction with principles of linearization and calibration of A/D converters. Description of communication standard Modbus TCP widely used in industry applications. Second part of thesis describes design a realization of project. Here is described equipment block diagram with detail description of each block and devices used. In the part of implementation is description of device firmware with program function description and control. Last part is engage with module function verification supported with plantz of measurements and tests. The thesis is ended with evaluation results, knowledge and detections found out in development of project.
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