National Repository of Grey Literature 82 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Application of Legendre basis for spectral analysis
Mesárošová, Michaela ; Jirgl, Miroslav (referee) ; Mihálik, Ondrej (advisor)
The thesis focuses on the possibilities of using Legendre polynomials in order to obtain a spectrum of signals. It examines their properties in the time and frequency domain such as generating methods, root position, and orthogonality. Another goal was to implement the Legendre transform and to verify the quality of the obtained spectra and signal approximations in comparison with various methods. Finally, it deals with the choice of a suitable approximation order as well as the analytical possibilities of spectrum calculation.
CO2 measurement for smart home
Novák, Radim ; Jirgl, Miroslav (referee) ; Benešl, Tomáš (advisor)
This bachelor thesis deals with carbon dioxide (CO2), its importance for human and its measurement. In theoretical part you will find information’s about its discovery, its use in industry, but also about its dangerous effects, levels of concentration in air, ways, how to measure this concentration and some sensors, that are available on the market. Practical part deals with developing of board for measuring concentration of CO2 and software solution.
Accelerometer-based monitoring of steering wheel angle
Navrátil, Tadeáš ; Jirgl, Miroslav (referee) ; Mihálik, Ondrej (advisor)
This thesis deals with the design of a device which will be used for measuring the steering wheel angle. Main goal was to design basic concept of device which is using data gathered from three accelerometers in the reconstruction algorithm to get steering wheel angle. Discussion of various reconstruction algorithms (with regards to simulated output noise levels from acceleromater) and final Implementation of reconstruction algorithm (in MATLAB simulink enviroment) is also part of this thesis. Furthermore, thesis deals with the selection of suitable components. Mainly selection of accelerometers, microcontroller and the selection of a suitable communication bus for mutual communication between them. Thesis also deals with design improvements of algorithm and realization of the whole device. In the end, we compare results of measuring device and inner senzor of steering wheel.
Laboratory Model for Simulation of Control of Simple Technological Process
Raška, Marek ; Štohl, Radek (referee) ; Jirgl, Miroslav (advisor)
The subject of this bachelor’s thesis is the improvement of the physical simulator of basic dynamic systems and the selection of suitable technological process to demonstrate simulation, control and visualization in laboratory teachings with a sample laboratory task. The result is an improved simulator used in the simulating of technological process using the programming structure and visualization of ControlWeb 8 application and input/output peripheral Datalab IO/USB.
Injection moulding machine prototype
Cikryt, Adam ; Jirgl, Miroslav (referee) ; Arm, Jakub (advisor)
This work deals with the design of a prototype injection molding machine for the company Elzaco s.r.o. The work includes theoretical analysis which breaks down injection molding machine into individual components and describes their functionality and their important parameters. Based on the analysis and determination of critical parameters of the injection molding machine, a detailed model of the injection molding machine is created. There are also requirements for electrical components such as motors, power supplies, heaters, temperature sensors, control electronics. The method of controlling such a machine is also discussed.
Software Framework for PLC Program Standardization
Hrubý, Otto ; Benešl, Tomáš (referee) ; Jirgl, Miroslav (advisor)
This thesis deals with standardization of PLC software used in company. The aim of this thesis was to design program for single-purpose machine used in assembly process and communication program to allow machines to be used in Master-Slave system as Slave. The programs use elements from IEC 61131-3 to make them portable among different integrated development environments. The software was designed to be easily reusable and modifiable for different machines.
Hotel room control system
Žák, Jan ; Jirgl, Miroslav (referee) ; Štohl, Radek (advisor)
The aim of this thesis is to design and implement a hotel control system for room access, heating and lighting. An analysis of customer needs is included, on which the design of the solution is based. Final solution is modular and can be controled remotely.
Automated System for Components Scanning
Hřib, Jan ; Boštík, Ondřej (referee) ; Jirgl, Miroslav (advisor)
The aim of this thesis is to design an automated scanning system for components for the purpose of inspecting their dimensions and tolerances. The theoretical introduction provides the reader with basic information on the topic of 3D scanning. The work also includes the design of own scanning system. The greatest attention is paid to the design of a program using the PCL library. The aim of the program is automatic processing of data from a 3D scanner and evaluation of the required dimensions of the scanned component. The final part of the work is devoted to testing the proposed solution.
Electrification and Control System Integration into the 3D printer prototype
Pavelka, Martin ; Jirgl, Miroslav (referee) ; Arm, Jakub (advisor)
This thesis addresses the area of 3D printing. Briefly summarizes history, technology and materials. It’s focused mainly on the construction of a 3D printer with the function of automatic unloading of the printing bed. Selection of electrical components for electrification and design implementation. Attention is also paid to revive and calibrate the machine.
Cloth moisture monitor
Prokop, Jan ; Jirgl, Miroslav (referee) ; Bradáč, Zdeněk (advisor)
The aim of this thesis is design and construction of cloth moisture monitor. This is the experimental device, which should be used to real time detection of urine leakage of patient and children. Principle of this device is measuring conductibility of moistured cloth. In the theoretical introduction, important methods of moisture measurement are discussed and compared in terms of cloth moisture detection. Signal processing is provided by a microcontroller, which displays humidity on the display and alerts audibly. The device is able to accurately measure humidity and allows you to set the humidity level on an audible alert.

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