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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

Konstrukce a realizace zařízení pro testování kluzných ložisek / Design and implementation of journal bearing test rig

Kučera, Petr January 2016 (has links)
This diploma thesis is dedicated to mechnical desing, fabrication and assembly of experimental bearing testing rig. First part of the document contains research of current knowlege in the field of bearing testing and desings of currently used machines. In second part is conception of the testing rig described. Third part contains description of design variations that were designed. In Discussion is comented choices of final variants. Last part is dedicated to functional verification of the whole testing rig by first series of the tests.
62

Význam Boscova testu při určení zdravotně orientované zdatnosti adolescentů / The relevance of Bosco test in objectivisation of health related fitness in age category adolescents

Čaba, Ladislav January 2015 (has links)
Title: The relevance of Bosco test for determination of healthy oriented efficiency adolescents Objective: The main objective is to find and describe the relationship of Bosco test (60 s) to a specific level of health-related fitness among adolescents based on the comparison of the output parameter of Bosco test and test items EUROFIT at physically active and inactive boys and girls. The partial objectives are to describe the influence of anthropometric parameters, gender and competence to physically active people on the current level of power parameters of the lower limbs. Methods: The dissertation has the character of empirical research, it is a descriptive study in which the research has a nature of the association, ie., that the required data are obtained by observation. The study was carried out on a group of purposefully selected probands n=100 age 18.40 ± 0.83 years, a period of adolescence. In the study group was equal representation of boys n=50 (age 18.50 ± 0.84 years) and girls n=50 (age 18.38 ± 0.82 years). Anaerobic capacity and power parameters of the lower extremities were determined by a standardized jumping Bosco test (60 s). The results of laboratory and anthropometric survey results were referenced by a test battery EUROFIT, which provides information on health-related fitness....
63

Slovní zásoba dětí mladšího školního věku / Vocabulary of children of primary school age

Hrubá, Eliška January 2017 (has links)
This thesis is focused on the evaluation of lexical-semantic level in primary school children. Vocabulary is tested in a population of children with and without the postponement of compulsory schooling. Diagnostic testing is done with the help of an own research tool. A part-of-speech analysis of spontaneous speech is done with a specific goal of monitoring the performance in the area of perception and preposition use. The data is further analysed using methods of both relational and descriptive statistics. Methods and forms of work used for vocabulary development in pre-school children and first grades are explored through interviews with teachers. All the findings should help monitor the vocabulary in primary school children's speech. The research tool used in the testing also functions as a practical and didactical tool for the development of vocabulary focused on perception and preposition use.
64

Nástroje na podporu testování / Testing tools

Faustová, Tereza January 2009 (has links)
The topic of this thesis is the issue of software testing. The thesis places main emphasis on tools to support test management, manual and automated functional testing and last but not least the tools for defect tracking. The aim of this thesis is introduce readers with software testing, especially with tools that can be used to support testing. The aim is offer an overview of the basic commercial and freely distributed tools for test management, manual testing, automated functional testing and defect tracking. Another aim is design criteria that simplify selection of tool. The second aim of this thesis is practical example of the configuration and description of the basic work with tools IBM Rational - ClearQuest, ClearCase, Manual Tester and Functional Tester. The aims of this thesis were achieved by studying available sources and by own practical experience with the tools to support testing. The contribution of this thesis lies in the characteristics of the selected tools to support testing and especially in design of criteria by which tools can be selected. The last part of thesis provides practical instruction how to configure and work with the tools to support testing of IBM Rational. The thesis is conceived in three main parts. The first part attends to basic terms, which can be found in the area of testing, and to overview of types of tests. There are also described two most famous life-cycle models and methodology RUP. The second part attends to overview of tools to support testing, attention is given to areas: test management, manual testing, defect tracking, and automated functional testing. For each category of tools has been defined criteria according to which tools can be selected. The last part attends to practical example of setting and basic work with the selected tools to support testing of IBM Rational.
65

Metodika řízení požadavků a kvality softwaru s využitím nástroje Enterprise Architect / Methodology for Requirements Engineering and Software Quality Management with the usage of Enterprise Architect tool.

Gottfriedová, Kateřina January 2013 (has links)
Requirements Engineering and Software Quality Management is nowadays considered to be one of the important parts of the software development process. This thesis deals with connecting the theoretical concept of requirements engineering and usage of functions offered by Enterprise Architect tool, which should support the requirements engineering and software quality management processes. The main goal is to propose procedures of Enterprise Architect usage during the project in such a way, which will help to raise quality of the final product. The purpose is to offer a systematic and conscious way of implementation Enterprise Architect elements into software development processes, because this tool is able to support the whole cycle of the product. The methodology was designed as a result of theoretical concept, existing requirements engineering approaches and my own experience acquired during working on projects as a business and test analyst. The contribution of the designed methodology is in bringing recommendations, practices and procedures saying how to use Enterprise Architect during the software development process in order to gain the highest possible software quality. The thesis is structured in four sections describing the appropriate theory, analyzed requirement engineering approaches, critical mistakes during this process and the methodology design.
66

Nejčastější problémy s testovacími daty a možnosti jejich řešení / The most common test data problems and possible solutions

Langrová, Kamila January 2014 (has links)
This thesis is focused od testing, test data, most frequent test data issues and solutions of these issues. The theoretical part of thesis explains testing, test data, test data management. This thesis focuses on categorizing of testing by type, class and a way of testing and cetgorizing test data. There are also introduced differences between manual and automating testing. The practical part of thesis introduces the survey questionnaire and realization of most frequent test data issues and solutions of these issues survey. In this part of thesis is survey description, goals formulation and evaluation od survey included. The contribution of this thesis is integrated view to testing, test data a their importance at whole testing domain and obstacles, which testing workers have to deal with. This thesis also contributes resume of test data issues solutions and ways to prevent or handle these test data issues.
67

Laboratorní simulátor pro studium radiálních kluzných ložisek / Laboratory simulator of radial journal bearing

Vincenc, Jan January 2017 (has links)
The master’s thesis deals with a design of a radial journal bearing simulator, which is ready to implement a transparent sapphire journal bearing to an optical observation of the oil film. The first part of this thesis contains a short review of a few currently used journal bearing test rigs. The next part of the work deals with a discussion of concept variants and a definition of important parameters. The last part contains a detailed description of the designed radial journal bearing simulator. Limitations of the designed simulator and recommendations for future improvements are also discussed. The result of the presented work is the designed journal bearing simulator which will allow observing of the oil film. The work also consists a complete design documentation.
68

Konstrukce zařízení pro výzkum mazání ozubených převodů / Design of the device for research on lubrication of gears

Žáček, Jan January 2018 (has links)
The master´s thesis is focused on the design and implementation of the laboratory stand for studying lubrication of gears. Specifically, to assess the effect of lubricant contamination on gears. The device uses the Niemann closed circuit concept which in practice is called „back to back“. Firstly, in the theoretical part, the test circuits uses for testing gears are described and one of the standardized procedure for experimentation is presented. Based on research studies, basic parameters for the design and creation of conceptuals are determined. The practical part consists not only the design of this stend, but also including test run and the description of the procedure on that device. The result of this master´s thesis is the functional experimental device for the future development of intelligent lubrication systems.
69

Návrhové podmínky pro polygon specializovaný na autonomní vozidla / Design conditions for a polygon specializing in autonomous vehicles

Trhlík, Tomáš January 2019 (has links)
The aim of this diploma thesis is the research of building polygons for the testing of autonomous vehicles, from the point of view of road technology and also designing aspects. In the thesis are mentioned 9 most important world test polygons and their description of design parameters. There are described particular stages of automation from foreign organizations which are concerned with research and development in the automotive industry. In addition, there are described basic advanced driver assistance systems and connectivity between vehicles and infrastructure. Conclusion also contains the assessment of existing aerodrome test areas for autonomous vehicles.
70

Zkušební zařízení na měření pevnosti pájeného spoje / Test Equipment for Solder Joint Strength Measuring

Čechák, Ondřej January 2019 (has links)
This master thesis introduces the problematics of the tensile strength of soldered joints and the correlative mathematical formulas and the use of mentioned problematics in the technology of die shear/pull machines designed for the solder joint tensile strength measurement. It explains the importance and reasons for the use of this technology. The emphasis is then laid on the design and construction innovations of the current laboratory manual shear/pull measuring machine, its semi-automation and the possibility of utilizing the innovated system in a laboratory class of a subject on FEEC BUT.

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