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Design of switching low-frequency power amplifier
Janáč, Josef ; Kratochvíl, Tomáš (referee) ; Brančík, Lubomír (advisor)
This bachelor project maps out switching technologies used in LF power electronics and gained information was consequentially used to design switching lf power amplifier as independent unit. Content of design is LF power amplified level, working on switching technology principle. Correction pre-amplifier with possibility of adjusting volume, balance h/l frequency and switching power supply is content as well too. Next part of project is familiarization s design program Eagle and optimizing program for switching power supply PXLS expert and creating constrictive basis for complete device. Last part of project is basically activation all functional part of device in one unit. Than measurement basic parameters on created functional device, graphical elaborating measurement-gained values and confrontation with catalog values. Conclusion of this project is evaluation achieved results in compare with supposed result of project.
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System for Imaging of the Monochromatic Pictures in the Pseudo Color
Kaděrka, Petr ; Kratochvíl, Tomáš (referee) ; Říčný, Václav (advisor)
This diploma thesis treats the possibilities of the black-white picture depiction in pseudo colors (Pseudocolor). The individual methods, software or hardware are described there and the detailed block scheme of the system Pseudocolor is suggested. The block scheme is created on the basis of gained theoretical knowledge. In the thesis, individual functional blocks of the scheme are described and their circuit designs are realized. Some of the functional blocks are simulated by the PSpice program and accompanied by corresponding signal process data. The suitable choice of the active and passive components is performed, from which the general integration of the system Pseudocolor is made. All the source materials for the realization of the device are given there – double-sided drawing of the printed circuit, layout and specification of the components.
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Robot's end effectors for manipulation
Kratochvíl, Tomáš ; Kubela, Tomáš (referee) ; Flekal, Lukáš (advisor)
This bachelor thesis deals with the robot’s end-effectors for manipulation. The first part describes the basic types of industrial robots and manipulators. In another chapter are examples for what applications are used robotic applications. In depth are analyzed the elements of end effectors. Another section defines the methodology for designing end-effectors and subsequently demonstrated in the sample application. The last chapter briefly discusses the possible future development of end effectors.
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The manufacture of cylindrical case by forming
Kratochvíl, Tomáš ; Císařová, Michaela (referee) ; Dvořák, Milan (advisor)
Bachelor theses done within bachelor study of specialization in an Engineering technology submits a proposal of production technology of a headless bushing by shaping. A proposed production technology of graded bushing involves an operation of cut-out of semifinished material, draw of an extract with the flange and a curtailment of the flange. The draw is made on the basis of calculation in three operations with the help of holder. According to graphical documentation the extract gets the final shape in the last operation of draw. The purpose of bachelor theses is a design of technological processing and elaboration of drawing documentation of an implement for making the headless bushing.
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An analysis and implementation of Dashboards within SAP Business Objects 4.0/4.1
Kratochvíl, Tomáš ; Pour, Jan (advisor) ; Šedivá, Zuzana (referee)
The diploma thesis is focused on dashboards analysis and distribution and theirs implementation afterwards in SAP Dashboards and Web Intelligence tools. The main goal of this thesis is an analysis of dashboards for different area of company management according to chosen of architecture solution. Another goal of diploma thesis is to take into account the principles of dashboards within the company and it deals with indicator comparison as well. The author further defines data life cycle within Business Intelligence and deals with the decomposition of particular dashboard types in theoretical part. At the end of theory, it is included an important chapter from point of view data quality, data quality process and data quality improvement and an using of SAP Best Practices and KBA as well for BI tools published by SAP. The implementation of dashboards should be back up theoretical part. Implementation is divided into 3 chapters according to selected architecture, using multisource systems, SAP Infosets/Query and using Data Warehouse or Data Mart as an architecture solution for reporting purposes. The deep implementing section should be help reader to make his own opinion to different architecture, but especially difference in used BI tools within SAP Business Objects. At the end of each section regarding architecture and its solution, there are defined pros and cons.
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Analysis of internal application in a multinational company with the implementation of Microsoft SharePoint 2010
Kratochvíl, Tomáš ; Kunstová, Renáta (advisor) ; Kořínek, Zdeněk (referee)
The thesis is focused on the analysis of application Support central and use of the technology SharePoint Server solution instead of the current File server. The aim of this work is analyzed Support central and SharePoint Server, as well as to define both their strengths and weaknesses. In the case of Sharepoint Server is important to evaluate the requirements of the banking institutions, it is also necessary to carefully analyze the SharePoint Server using the check list. In another part of the thesis are defined accomplishments and benefits that this technology allows.I also to mention here about the types of customization and its benefits. An important part of this work is devoted to analysis of risks that may occur when vulnerabilities. The middle part of the work deals with the optimization of business processes and an equally important role is also an business impact analysis that clarifies what impacts may occur in the banking institution as a result of a failure. The last section deals with designing the architecture of the banking institution and Cost Benefit analysis, which identifies the costs and expected revenues of technology SharePoint Server. An important element is the payback time of investment.
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The occurrence of obesity and overweight of the preschool children
KRATOCHVÍL, Tomáš
Author of this work deals with the overweight of children and current lifestyle, which the majority of the population lives. It has a large influence on the prevalence of obesity and overweight, and it is already in childhood. It is necessary to change this trend. Increasing physical activity also change bad eating habits in children. Meals will be varied and balanced. This involves engaging the whole family, because parents have the greatest influence on a child, they can change the situation. The first part is a theoretical nature. The second half deals with research of preschool children and the goal is to determine the prevalence of obesity and overweight in these children.
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