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Hrusovany n/J - Znojmo Track Modernization Study
Dvořák, Dominik ; Janoušek, Jan (referee) ; Říha, Tomáš (advisor)
The theme of the Bachelor thesis is modernization of railway line Hruš - Znojmo. The project includes assessment of possibility of increasing the critical running speed up to 200 km/h and its implementation on current track structure. Current track geometry, including its vertical and horizontal alignement, has been modified and the implementation of the line speed verified according to valid standards and regulations base on ČSN 73 6360-1.
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Design of production technology for a component of a rotary shape
Dvořák, Dominik ; Fiala, Zdeněk (referee) ; Kalivoda, Milan (advisor)
For the design of the interlocking shaft production technology, this component was first described and after defining the limiting conditions of production, three variants of its implementation were selected. The technologies used were characterized and subsequently the most economically efficient variant was chosen, which also met the specified criteria. A production process with a tool sheet was compiled for this variant. Furthermore, the NC code was created in the control system of the production machine, followed by its verification during the simulations. Two prototypes were made. The first of them was used to optimize the design of production technology, the second was produced after simulations to verify the correctness of the proposed solution. This was followed by a technical and economic evaluation, used to predict the production costs of the entire production volume and compare them with the estimate.
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Using Head-mounted displays in industrial applications
Dvořák, Dominik ; Kroupa, Jiří (referee) ; Tůma, Zdeněk (advisor)
The aim of the Bachelor´s Thesis is study of the current state of Head-mounted displays in industrial applications. The work is of reasearch character and contains basic informations about problematics of virtual and augmented reality in industry. It also deals with technologies and individual types of glasses for virtual reality and also uses VR in other fields. This is followed by an evaluation of the issue and an indication of where it could develop in coming years.
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Students at Risk of Dropout in Upper Secondary Professional and Vocational Education
Příhodová, Vladimíra ; Dvořák, Dominik (advisor) ; Straková, Jana (referee)
The thesis is primarily focused on the study of professional/vocational upper secondary school students who are at risk of incomplete education. The introductory part of the text describes the school in which they study, and possible general reasons for leaving, such as absenteeism and failure in final exams. The empirical part of the thesis presents the case studies of students with increased risk of drop-out during their studies at a professional upper secondary school within the framework of qualitative research. The results show several factors, which can influence the student's educational trajectory, including a good choice of school and real teacher's interest in the students. This thesis also presents findings about distance learning in the time of covid- 19 and its effect on the case students. KEYWORDS professional and vocational school, dropout, on-line learning, covid-19 pandemic
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Alternative class in a public school
Janďourková, Zuzana ; Straková, Jana (advisor) ; Dvořák, Dominik (referee)
The aim of this thesis is to examine the founding principles and function of two alternative classes in two public schools in small towns. These conditions are analysed in context of differentiation of primary school and potential impact of alternative classes in public schools on equal chances. The first chapter will briefly describe common features of alternative schools, and I will list the characteristics of some alternative movements in the Czech Republic. I will then focus in more detail on the 'Step by Step' programme, which is used in one of the schools I examine, and its bases. The second school in my study follows a programme stemming from this, which is also influenced by 'Natural schools' and other alternative methods. The next chapter of this thesis will look at the differences and unequal access to education. The empirical section of this thesis presents two case studies of alternative classes in public schools. For the purposes of this study, a qualitative method has been applied. I try to find out the reasons for establishment of these classes and refusal of the classic education by observing the classes during teaching, and through interviews with all participants. I focus on the admission process of pupils to these classes and whether the conditions of the studies in these classes...
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Impacts of distance learning on education in the field of chef-waiter
Poustecká, Petra ; Straková, Jana (advisor) ; Dvořák, Dominik (referee)
TITLE: Impacts of distance learning on education in the field of chef- waiter ABSTRACT Diplom thesis deals with the distance learning of the practical training on the secondary vocational schools in the extraordinary epidemiological time between year 2020 - 2021. Thesis responds to the situation in the Czech schools during the Covid 19 pandemic, when it was introduced the online learning not only in the Elementary and High Schools but also at the Universities. The reason for that was the limitation of spreading the disease. Thesis has two parts, the theoretical part and the practical part. In the theoretical part are described the anti - epidemic measures, which have been put into praxis on the basis of government regulations. Furthermore, the teoretical part sumarizes the results of available research dealing with distance learning. One of the main topics will be focused on the course of the final examinations in the branch chef - waiter, this topic was much discussed because of the absence the educational practice. In the theoretical part, therefore, I also focus on practical training and final exams. In the practical part I focus myself on the teacher's experiences of the practical training in the pandemic time, how was the way of teaching the professional training, which platforms were used during the...
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Clients of Residential Youth Care at Risk of Dropout from Upper Secondary Education
Bílá, Pavlína ; Dvořák, Dominik (advisor) ; Straková, Jana (referee)
Early school leaving represents a serious problem in the European and recently also in the Czech context. The aim of this thesis is to research the dropout risks at clients of the Youth Diagnostic Facility using qualitative methods. The subject of the research is a group of six boys aged 15- 17 years. The goal of the research is to map the causes of educational issues through case studies and identify the reasons for dropout among the facility's clients; to explore the approach of schools and their staff to the education of these individuals; to describe the education conditions provided by the diagnostic facility; and to find out how the clients themselves see their education process and whether their attitude and approach to education changed during their stay at the facility. The results show that in some cases placement in a diagnostic or educational facility can increase, by providing suitable conditions, the chances of obtaining secondary education. KEYWORDS school dropout, early school leaving, upper secondary education, adolescent boys, residential care, COVID-19 pandemic
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Bridge for the transfer of nets, cyclists and pedestrians across the river Svitava in Brno
Dvořák, Dominik ; Šoukalová, Gabriela (referee) ; Kožik, Libor (advisor)
The aim of this thesis is the design and assessment of a footbridge for pedestrians and cyclists over the Svitava River near Tomkovo náměstí. S355 steel was chosen as the material and S235 steel for selected elements. In the introductory part of the thesis, possible solutions for changing the cross-sections of the main load-bearing elements and their subsequent comparison are presented. Then only the selected most disadvantageous variant is discussed. The design with circular hollow sections was chosen as the final option. The span of the footbridge is 43,05 m.
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Design of production technology for a component of a rotary shape
Dvořák, Dominik ; Fiala, Zdeněk (referee) ; Kalivoda, Milan (advisor)
For the design of the interlocking shaft production technology, this component was first described and after defining the limiting conditions of production, three variants of its implementation were selected. The technologies used were characterized and subsequently the most economically efficient variant was chosen, which also met the specified criteria. A production process with a tool sheet was compiled for this variant. Furthermore, the NC code was created in the control system of the production machine, followed by its verification during the simulations. Two prototypes were made. The first of them was used to optimize the design of production technology, the second was produced after simulations to verify the correctness of the proposed solution. This was followed by a technical and economic evaluation, used to predict the production costs of the entire production volume and compare them with the estimate.
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Pupils' conceptions of science and scientists and possibilities of influencing them
Šmídová, Petra ; Dvořák, Dominik (advisor) ; Stará, Jana (referee)
The aim of the diploma thesis was to describe pupils' conceptions of science and scientists and also to suggest some possibilities to influence them. In the theoretical part of the thesis common knowledge of pupils' conceptions of science and scientists is described. It also summarises researches following up these issues, and conceptions of science education at primary school in the Czech Republic and other chosen states. In the empirical part a research focused on getting information about pupils' knowledge of science and scientists and their approach is presented. The results show, that pupils' conceptions of science and scientists are heterogeneous and the role of out-of-school activities of chosen pupils was more significant than influence of school. In the final part of the thesis there are appropriate ways how to influence pupils' conceptions of the area of science at school are outlined
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