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Automated tuning of drive controller
Adamec, Matúš ; Pohl, Lukáš (referee) ; Blaha, Petr (advisor)
This thesis deals with automated tuning of drive controller. To achieve this goal, system identification is needed. Therefore, the issue of identification is described at the beginning of this thesis. Spectral analysis was selected from many described methods. It was implemented in Matlab and also in C# language where was used averaging and Blackman-Tukey method. The C# application is linked to Beckhoff TwinCAT 3 and TwinCAT 2 runtime sytems that enable connections with real drive. Next, the problem of drive regulation is discussed and the results of using spectral analysis on real drives are shown. At the end of the thesis is described the algorithm of setting the speed controller with different types of frequency converters.
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Quality and competition.
Adamec, Martin ; Toul, Jiří (referee) ; Fiala, Alois (advisor)
The present bachelor thesis deals with quality and it´s influence on competitiveness. This thesis consists of two parts- first part is focused on history and nowadays quality management both in the Czech Republic and word wide and it also explains the related basic terms. The main emphasis is given on the proper attitude to these issues and on the comparison of different cultures. The second part is devoted competitiveness and how to reach it by means of quality factor. Quality is divided into two sections – the inner quality of the company which can be achieved bythe system of quality (ISO standard, Kaizen, Lean production) and for the quality which the company must ensure to attract the customer, the so- called external quality (transport, design, marketing). A special subsection of the second part is a description of the company which has managed to successfully apply the system of quality into practice i.e the Japanese company Toyota.
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Expressing uncertainty of measurement
Adamec, Martin ; Vdoleček, František (referee) ; Koška, Petr (advisor)
Master´s thesis is focused on measurement uncertainty problems, particularly on the uncertainty determination and then on the practical application. The thesis is divided into three parts. A theoretical part deals with issues concerning uncertainties on the theoretical level, transition from the measurement error to the measurement uncertainty. This part also clarifies the basic terms concerning this issues based on “ČSN ISO 5168” standard and another legislative materials. The other part is focused on temperature regulations by thermostatic heads and valves. This part also handles thermostatic heads and valves history, division, generally use and legislative background represented by standard „EN 215“. Practical part follows previous sections. I am determining the measure uncertainty of thermostatic heads and valves flow characteristic determining device. All the results and knowledge obtained are given in the conclusion of the thesis.
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Optical design for LED luminaire
Oravčok, Ján ; Adamec, Michal (referee) ; Škoda, Jan (advisor)
The first part of the thesis is research, which deals with electric luminaires and especially their light-active parts. Subsequently is described the problem of a specific luminaire, which is used during the control of the surface structure of materials. The next part of the thesis deals with the simulation of the current luminaire and the simulations of the proposed solutions that eliminate the shortcomings of the luminaire. The conclusion of this thesis is the evaluation of the originally used luminaire and the benefits of the proposed solution, which showed the best results in the simulation.
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Problem of Object Observation in Traffic Mirror
Adamec, Martin ; Bradáč, Albert (referee) ; Semela, Marek (advisor)
The thesis is written up within the master degree in field Expert engineering in transport. It follows up Problem of Object Observation in Traffic Mirror. Thesis describes the device of traffic mirror, physical principal, legislation and types of traffic mirrors in detail. There are measurements associated with this issue in practical part, which are evaluated in detail. At the conclusion there are suggested changes and recommendations associated with this issue.
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Reporting of the Selected Firm
Adamec, Martin ; Drobilík, Štěpán (referee) ; Hanušová, Helena (advisor)
The aim of the thesis is to describe the patterns and application of the theoretical aspects of business financial reporting in industrial building. The introduction corresponds with main idea of reporting which contributes to the business development. The practical level is focused on control and management processes in small and middle size of construction companies.
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Design of energetic unit pipeline
Adamec, Martin ; Gottvald, Jakub (referee) ; Nekvasil, Richard (advisor)
This diploma work is aimed at a proposal and an overall controll of the pipeline net. There is a preliminary calculation performed (by the analytical method) in this diploma work. There is also a comparison with the numerical computing to find out whether the pipe branch does or does not comply.
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Camera timing determination
Adamec, Matúš ; Honec, Peter (referee) ; Richter, Miloslav (advisor)
This bachelor thesis describes how to create a methodics for determination order and relative timescales of frames from several cameras. This methodics solves the task the- reby that it determines rotation angle of rotating pattern and shining a combination of the luminescent displays, located at designed preparation. Both parameters are varying deterministically in time. Based on the parameters identified in the captured images by cameras, which sensed the operating preparation, the order and relative timescales frames can be determined.
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Infrastructure for electric buses
Adamec, Matěj ; Rekem, Jakub (referee) ; Štětina, Josef (advisor)
The aim of this bachelor thesis is to examine the charging infrastructure of electric buses from the point of view of dynamically charged buses, trolleybuses, statically charged battery electric buses and their combination in the form of partial buses. In the case of the trolleybus infrastructure, the method of powering the contact wire traction, the properties of the contact wire are described, and the operation of partial buses are not omitted. For the charging infrastructure of battery buses, a detailed evaluation of the methods of connection to the charging station, charging modes and an overview of offered charging solutions from selected companies is performed. Considerable attention is paid to the possibilities of standardization and automation of connections to charging stations. In the final chapter, an approximate calculation of the optimal capacity of the battery storage for the selected line and the subsequent evaluation of the charging solution of the operating electric buses on this line is performed.
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Modern Speech/pause Detectors
Adamec, Michal ; Smékal, Zdeněk (referee) ; Rajmic, Pavel (advisor)
This masters theses deals with standard detection methods of speech/pause - voice activity detectors are based on the principles of short-time energy, real spectrum, short-time intensity and on a combinations of these three detectors. In the next parts, there are mentioned other voice activity detectors based on hidden Markovov‘s models and a detector described in the ITU-T G.729 standard. All the detectors, mentioned above, were implemented in research environment MATLAB. Further there was created an user interface for testing functions of the implemented detectors. Finally, there was done an evaluation by ROC characteristics according to the results of the testing.
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