National Repository of Grey Literature 662 records found  beginprevious427 - 436nextend  jump to record: Search took 0.01 seconds. 
Bus wiring systems for complex building management
Mokrý, Lukáš ; Macháček, Jan (referee) ; Bátora, Branislav (advisor)
The aim of my thesis is to examine current opportunities of bus wiring systems for complex building management, mainly its power and economic evaluation. It can be simply called intelligent electrical installation. I will examine two systems from INELS and ABB company. These systems contain functional components, mainly modules and controllers. By means of other materials, I’ll create a panel. Components will be placed there and electrically connected. After this, systems will be put into operation and programmed by means of their software. The next step is measuring of quatities during the various conditions of systems and consumption, which is one of the main aims of the thesis. Two apparatuses will be used for measuring. This thesis itself will contain theoretical analysis of systems, their description, using the way of operation and main advantages and disadvantages. Single components and complete process of measuring and working in laboratory will be described. An overall evaluation and comparison of the systems from various points of view, including the price, will be put together from results.
Design of DC motor drive for 3D printer stepper motor drive replacement
Králík, Jan ; Spáčil, Tomáš (referee) ; Chalupa, Jan (advisor)
The subject of this thesis is to create a module for control DC motor using signals which are used to control a stepper motor. The module will be implemented into existing 3D printer. This work also includes testing of a new drive and its comparison with the prior stepper drive. The thesis also contains comparison of performance of both drives in terms of quality 3D printing.
Reconstruction of discharging shakeout machine electric installation
Bednář, Vojtěch ; Blecha, Martin (referee) ; Pazdera, Ivo (advisor)
This Diploma work is concerned with the design of project documentation for discharging shakeout machine electric installation. This work continues in the Semestral project 2 in which the background of a new machine was made. Then, this work deals with the replacement of a switch room with required devices including the design of a new connecting cables and power streams. In the first part, the work deals with the control part of the device and the design of control and signal cables including the product documentation of the device. In the second part, the work deals with the proposal of building electro installation in which a new lighting and its use is described. The last part focuses on the coordination during the realization of a suggested device. In this part, all problems coming from the particular working procedures including a proposal of possible solutions are described. According to the project documentation and following realization, the documentation of final concept reflecting the real status of the device is described.
Hydraulic biomass briquette press control
Kučera, Tomáš ; Jirgl, Miroslav (referee) ; Štohl, Radek (advisor)
Aim of this thesis is creation of software for hydraulic biomass briquette press. Software consists of two parts. First part is program for PLC and second is visualization for touch screen display. This work continues masters thesis of Ing.~Martin~Kadlec, which covers desing and creation of briquette press.
Creating a fluid curtain of the scrubber absorber
Straka, Ondřej ; Kalivoda, Josef (referee) ; Svěrák, Tomáš (advisor)
This bachelor thesis focused on the separation of gaseous pollutants from gas mixture into absorption agent, by using absorption device. The theoretical part deals with describing absorption device in practice and characterization of chemical and physical influence on absorption process. The experimental part concerned describing the construction and properties of laboratory pilot scrubber.
Control system for glue dispensing application model
Šimurda, Jan ; Hynčica, Ondřej (referee) ; Fiedler, Petr (advisor)
This thesis addresses the problematics of automated mini-doses application of the adhesive. In thesis are summarized the parameters and types of adhesives with regard to the suitability and the basic theory of bonding. At the same time are summarized the available technologies and methods of bonding. Part of the work is the analysis of requirements for automatic microdosing, in terms of management, delivery system, manipulator, mechanics, functional safety. It also includes the selection of suitable components. The thesis contains the development and description of the control software, visualization, data acquisition, management of robotic manipulator, functional safety logics and dispenser management. The outcome of the thesis is a functional device according to the proposed 3D model made of borrowed components on which algorithms are tested and functionality was verified. In the conclusions are described the complementary features ensuring the possibility of setting the device up in the industry.
Control unit for turbofan jet engine TFE731
Slavotínek, Jan ; Mikuláštík, Jiří (referee) ; Macho, Tomáš (advisor)
This thesis is classified as an internal experimental project whose aim is to design HW and low level SW of simplified version of the controller for TFE731 turbofan engine according to defined requirements. The expected outputs in addition to the system design is also information about possible technical problems and difficulties arising during the analysis and development of the system. The work covers a brief look into the history of aviation and avionics, theoretical analysis turbofan engine, analysis of measured and controlled variables. Based on the requirements analysis and I/O values is made circuit design (HW) and design of the low level control software.
Universal BLDC motor controller
Pijáček, Ondřej ; Pohl, Lukáš (referee) ; Veselý, Libor (advisor)
This thesis describes the design of universal control unit for BLDC motor powered from airplane power distribution system of 28 V capable of driving motor up to 10 A. The maximal engine power is about 250 W. Important prerequisite is possibility of driving various motor size without needs of changing wiring board using only the configuration in the auxiliary memory unit. To control different motors is enough one unit with one program without any way to interfere to the unit itself.
Lettering for 3D plotter
Polák, Jaromir ; Kaczmarczyk, Václav (referee) ; Štohl, Radek (advisor)
Bachelor thesis deals with the control of the 3 axes manipulator. The manipulator is represented as a plotter, to enable the user to write all of the Czech alphabet. The letters can change the font size, the rotation around the axis and move. The work also includes security and control tasks. An example of one letter shows programming features of the manipulator.
Controlling in the construction company
Bartizal, Martin ; Tuscher, Martin (referee) ; Hanák, Tomáš (advisor)
The subject of this thesis is to contribute to the improvement of controlling system in the construction company. The main emphasis is on the use of appropriate controlling tools, which would have a positive impact on the management of a particular enterprise. The thesis analyzes the area of controlling stock in XYZ Company, Inc. The introduction defines the concept of business management, controlling and its theoretical basis, further describes the current activities of the controlling company. In the last part of the thesis proposed actions to improve the functioning of the controlling system, including the evaluation of the benefits for the company.

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