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Problems of measurement and evaluation of switching loop impedance
Švéda, Miroslav ; Bárta, Jan (referee) ; Veselka, František (advisor)
This work is applied to questions about impedance of tripping loop. It deals with problems of measuring impedance of tripping loop, different measurement, procedures and accuracy of these measurements. Further, the work deals with the subsequent evaluation of the measuring impedance of tripping loop and writing of the measurement results. The work also focuses on the impedance of tripping loop in terms of the operation of the protective elements of the electrification system. Finally, the practical measurement of the impedance of tripping loop in real electrical circuits is performed as part of the work.
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Textile electrodes in ECG measurement
Kocum, Filip ; Vélim, Jan (referee) ; Cupal, Miroslav (advisor)
This semestral thesis deals with the issue of electrocardiogram measurement and heart rate detection using textile electrodes placed on the body. One of the main tasks was to design the possibilities of attaching the sensors to the body in order to ensure the best possible adhesion to the skin. The work focuses on the design of suitable electrode placement in terms of functionality and stability of measurement. Furthermore, the work focuses on the comparison of textile and Ag / AgCl electrodes. The last point was the design of a preamplifier for measurement and its subsequent implementation.
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Thermodiagnostics – contact and contact-free temperature measurements
Mikula, Martin ; Jankových, Róbert (referee) ; Hammer, Miloš (advisor)
This thesis is concerned with thermodiagnostics in industrial practise, which is very important for the assessment of technical condition of object on the basis of temperature, in today's time. It includes summary of contact and contact-free methods and their principle, advantages and disadvantages for aplication in industrial practise. Because of thesis it was carried out measurement in company Daikin Device Czech republic with the use of contact thermometer and two available thermocameras for solving of topical tasks relating to production.
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Statistical evaluation of dimensional setting the car for 3D measurement
Čada, Michal ; Jankových, Róbert (referee) ; Šrámek, Jan (advisor)
This bachelor´s thesis proposes a dimensional calibration improvement concept for a newly produced car. Before the dimensional calibration itself, a car must be fit in place – aligned into the main graphical coordinate system. Prevalent method of geometric levelling (3-2-1) upon reference points of the chassis does not meet requirements of the contemporary cars, whose support frames blocks accessibility of these points. Proposed alignment method uses advanced laser measuring systems and software capable of 3D scan processing. Statistical evaluation of measured control variables on the car body this bachelor´s thesis proposes minimal allowance limit, for which this method is possible to viable.
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Modern trends in technical measurements
Kollmann, Ladislav ; Vojáček, Zdeněk (referee) ; Vdoleček, František (advisor)
Bachelor thesis is focused on modern trends in technical measurements. The first part is devoted to the measurement status in the technical practice, the trends of its development and some selected analysis of these trends. An emphasis is put on the efforts of objectification of the measurement process to eliminate a man influence on its results. The final section shows new approaches to measuring with the example, which is a measurement of length – one of the oldest metrological tasks in human history.
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Conception of mounting Formula Student engine to dynamometer
Špičák, Milan ; Prokop, Aleš (referee) ; Janoušek, Michal (advisor)
This bachelor thesis describes the mounting of single cylinder motorcycle engine on a dynamometer. The first part is about Formula Student competition. It also contains an overview of the motor testing cells, including measuring equipment. Finally describes the draft of mounting the engine Husaberg FE 570 on dynamometer Superflow SF-902 including virtual model for illustration.
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Quality assessment of pneumatic linear drives
Pecl, Tomáš ; Jankových, Róbert (referee) ; Budík, Tomáš (advisor)
This Master’s thesis deals with the evaluation of quality pneumatic linear drives. The theoretical part describes the problems in the field of pneumatic cylinders and statistical methods to perform the analysis. The practical part includes the execution and evaluation of the statistical analysis of the measurement process and pneumatic cylinders, also brings recommendations to optimize the measurement process. The methods used included analysis Gage R & R, Analysis control charts and data analysis using the process capability. The study was made for the purpose of improving test equipment Norgren Ltd. Used computer programs was Minitab Statistical Software and MS Excel.
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Materiální výukové prostředky ve výuce praktického vyučování
Požár, Tomáš
This bachelor thesis focuses on the use of material teaching aids in the field of Mechanical Electrical Engineer - Information Technology. The aim of the thesis is to provide an overview of the available didactic teaching aids and material re-sources for teaching in vocational training and to describe the possibilities of fi-nancing teaching resources for schools. The thesis consists of four chapters, which focus on introduction to the field, didactic teaching aids, material resources and financing. The thesis concludes with an evaluation of the results of the teaching framework in the field of Mechanical Electrical Engineer - Information Technology.
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