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Comparison of quality of work round baler
Bulva, Miroslav ; Novák, Petr (advisor) ; Mašek, Jiří (referee)
The thesis is focused on comparing the round baler with variable bale chamber. The press Vicon RV 1601 OC14 was compared with press Welger RP 435 Master. The evaluation was conducted from three perspectives. The first was the construction of the machine. The second was economic and the last one was the quality of work. Furthermore comparing was done per the performance, the cost of molding, packaging and simple analysis of investment and operating costs. The quality of the design was better with the press Welger. This press was measured to better results in bale density per hundred percent dry matter with straw 98.13 kg.m-3. Greater hourly output during molding were measured on the press Welger. From an overall perspective was evaluated press Welger better.
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Construction modifications mulchers with vertical axis rotation
Nikl, Filip ; Novák, Petr (advisor) ; Mašek, Jiří (referee)
The aims of this work is to create an overview of knowledge in the field of energy performance mulching using contemporary Czech and foreign literature. Chapter "Mulching and Mulchers" describes the different types of mulchers, theoretical principle of their function and possible ways of use. The section "Methodology" deals during the construction of the model shredder and preparing for measuring electric load. The actual measurement results are reported in the chapter "Measurements", their evaluation is completed in "Discussion". Work is completed at the end.
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The comparison of different methods for soil physical properties determination
Domin, Vojtěch ; Kumhála, František (advisor) ; Mašek, Jiří (referee)
This diploma thesis is focused on comparison of the methods which are used for soil physical properties measurement . A penetrometer and Kopecky rollers were used. To assess these methods, the soil properties were evaluated on the land of joint-stock company Sloveč near Městce Králové. The first part of this thesis consists of an introduction which describes the basic information related to this issue. The second part deals with literature review where the basic physical properties of soils are discussed, such as porosity and bulk density. The aim of this diploma thesis is mentioned in the third part. It is followed by the methodology in which the different methods of measurement are described. The next chapter focuses on the analysis of measured data and its evaluation. The next part deals with the technical-economic evaluation of measurement methods. The last part brings the conclusion which summarizes all the results of the thesis. The most interesting result of this diploma thesis that penetrometric measurement is affected by soil moisture content so significantly that it can show soil compaction entirely on other areas of the land than measurements using Kopecky rollers.
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Preventive maintenance of hydraulic systems in order to achieve maximum reliability
Klepetko, Vojtěch ; Mašek, Jiří (advisor) ; Novák, Petr (referee)
The aim of this bachelor thesis is to give reader the necessary knowledge needed for planning and handling preventive maintenance of hydraulic systems. This work consists of three parts. In the first part the basics of hydromechanics are described and a relatively detailed description of basic parts in hydraulic systems is included. In the second part of the thesis components that have straight impact on reliability of hydraulic systems are characterized and the last part covers topics such as creating preventive maintenance plan, working on hydraulic components important for maintenance and optimization of preventive maintenance.
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GTD for Windows Phone 7
Mašek, Jiří ; Kajan, Rudolf (referee) ; Herout, Adam (advisor)
This thesis deals with a Getting Things Done method (GTD) and its implementation on a mobile device with Windows Phone 7. In the first part the GTD method and the Windows Phone 7 operating system are described. Thereafter the charts of use and questionnaires are introduced from which an application design has come. The thesis continues with a description of the implementation part and finishes with a conclusion.
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Detector of Uniform Marker Fields for Windows Phone
Mašek, Jiří ; Szentandrási, István (referee) ; Herout, Adam (advisor)
This thesis deals with the detection of Uniform Marker Fields and the position of a camera in a space. The steps of the UMF detection, the Windows Phone 8 platform, DirectX working and the concept of augmented reality are described in the thesis. Implementation and design of the demo application together with the whole architecture of the project is described in the thesis. The result of the thesis is an application using the UMF detector and plotting a 3D object into a scene. Finally the application is tested and evaluated.
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