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Algorithm for leakage detection
Kratochvíl, Adam ; Šedivá, Soňa (referee) ; Pikula, Stanislav (advisor)
The thesis deals with the presentation of an overview of the methods used for leak detection set by technical standards. Following the analysis of the pressure records from the pipeline, a new method is proposed, which is based on existing methods and uses the determination of the direction of arrival of the wave directly at the measurement station. The proposed concept was subsequently developed in Matlab, where the ability to detect was also verified. The whole algorithm was then implemented in programmable logic controllers and a suitable communication between them was designed. The entire solution was then tested in terms of functionality.
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Control system for equipment using renewable energy sources
Novotný, Jan ; Bradáč, Zdeněk (referee) ; Benešl, Tomáš (advisor)
The work deals with design of power and control electronics for water micro source in island network. In the general part the readers are acquaints with the issue of renewable energy sources and describes commercially produced micro sources. The practical part deals with the design of its own control system and power electronics using its own control system or PLC for water micro source. The microcontrollers were used for the implementation of the control system, for which the program part was created.
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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.
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Milling machine
Homola, Stanislav ; Vetiška, Jan (referee) ; Marada, Tomáš (advisor)
This goal of the diploma thesis is to design, to construct and write control program for CNC milling machine designed for machining aluminum, wood and plastic. Entire structure of machine is designed and made of steel. The main table consists of an aluminum plate and aluminum structural profiles. Spindle of milling machine is a high speed motor from ATAS a.s. company. Milling machine is controlled by the program made in TwinCAT environment from Beckhoff Automation GmbH & Co. KG.
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Wastewater treatment plant testbed controlled by PLC
Kopáč, Ondřej ; Blažek, Petr (referee) ; Pospíšil, Ondřej (advisor)
This master thesis deals with the design of a wastewater treatment plant, which will be controlled by a PLC. The theoretical part describes the types of wastewater and sewage systems that are important in the design of wastewater treatment plants. The thesis also describes programmable logic controllers, theirs programming languages, SCADA (Supervisory Control And Data Acquisition) systems and automation.The thesis also deals with theoretical description of wastewater treatment plants, their functions and security. Next part describes the design of the wastewater treatment plant. The last part of the thesis describes implementation of the wastewater treatment plant controlled by a PLC.
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Modeling of Medium Access Methods of Power Line Communication
Koutný, Martin ; Orgoň,, Miloš (referee) ; Pospíchal, Ladislav (referee) ; Mišurec, Jiří (advisor)
The dissertation thesis is focused on analysis, modeling and optimization of the medium access layer of power line communication. In the first part of the paper, the thesis briefly summarizes a basic information of power line communication. In the next sections, the objectives of the dissertation are placed. A simplification of current models of HomePlug and a optimalization of distribution function in back off procedure are one of the main goals of this work. A detailed analysis of HomePlug technology, which is widespread used in the broadband transmission, follows. The work is focused on analyzing of the MAC layer in this part. The discrete simulation models have been implemented in Matlab. The approximation discrete numerical model has been used for analysis of various distribution functions for HomePlug to optimalize backoff algorithm. The new optimalizations are suitable for large networks. The new approach of MAC modelling is introduced in last part of this work. The new model is not exact as Markov models but it is faster and easier for implementation. The analytical model desribes a system using probabilistic functions.
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Communication between B&R PLC and PC
Šlichta, Pavol ; Lebeda, Aleš (referee) ; Burlak, Vladimír (advisor)
Objective of this thesis is to examine the software support for company B&R and creation of functions that handle input and output for the PLC. At first we look at basic communication techniques for the PLC. Important part of the thesis describes PVI which is esential for connecting the client. The main goal of the thesis is to implement these functions in Simulink/NI LabView. Functionality of this solution is showcased in the example at the end of the thesis.
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Digital controller for heating a press for molding plywood based on Simatic S7-1500, TIA Portal V12
Lesák, Michal ; Zemánek, Pavel (referee) ; Pásek, Jan (advisor)
This bachelor´s thesis deals with design of digital controller for heating press for molding plywood. The theoretical part is based on the scientific literature defines terms concerning hardware and software, which will use it for the controller design. The practical part, which will be made in the bachelor thesis, includes a controller design, which is performed by Totally Integrated Automation Portal from Siemens. Another, more work is engaged, the display and control with Basic panel of the second generation. The resulting controller will then be forwarded to the company Dieffenbacher as a function block, which can be put into practice.
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A multi-source power station switch- and control-boards digitization project
Fiala, Martin ; Bátora, Branislav (referee) ; Drápela, Jiří (advisor)
This bachelor´s thesis deals with comprehensive proposal and reconstruction of switchgears for source power station on Department of Electrical Power Engineering with controlled rotating and static power sources, that can be managed remotely using a programmable logic controller via the communication link. Part work also description of the control system and all the necessary parts for reconstruction. At last this thesis deals with the problem, which is linked to the deployment of automation in general, including the negative aspects, describes the problem of industrial communication systems along with the most used fieldbus that is used in the implementation of automated solutions.
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