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Design studies of axial sealing pumps
Dobrovolný, Martin ; Stareček, Jakub (referee) ; Pochylý, František (advisor)
Review of axial hydraulic machines and elementary procedures of design hydraulic machines are listed in the first part of thesis. Second part is dedicated axial pump with annular motor and measurement its characteristic curve. In the third part of thesis, procedure of design axial pump with tube motor is described, also there are listed CFD results and characteristic curve of axial pump with tube motor is predicted.
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The pump for the transport of fluids from great depths
Dobrovolný, Martin ; Haluza, Miloslav (referee) ; Pochylý, František (advisor)
In this Bachelor's thesis are included the basic information about dividing pumps. The division of the pumps is carried out according to standard ČSN 11 0000 and according to the specific speed of the pumps. There is a description of conventional designs of vertical hydrodynamic pumps and their use. The advantages and disadvantages of pumps used in boreholes are evaluated. The last chapter describes the construction of new hybrid pumping system. Also its advantages over existing pumps are described as well as its potential future use.
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Detection and Recognition of Matrix Code in Real Time
Dobrovolný, Martin ; Juránková, Markéta (referee) ; Herout, Adam (advisor)
This work is dealing with detecting and recongnizing matrix codes. It is experimenting use of PCLines algorithm. PCLines is using Hough transform and parallel coordinates for fast detection of lines. Suggested algorithm with double use PCLines detects sets of parallels and problem with image distorted by with parallel projection is solved by cross-ratio equation. We did some optimizations for realtime running and created experimental implementation. Test results shows, that use PCLines one way to detect matrix codes.
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Recognition of Handwritten Digits
Dobrovolný, Martin ; Mlích, Jozef (referee) ; Herout, Adam (advisor)
Recognition of handwritten digits is one of computer vision problematics that can not be solved with 100 % success these days. This document describes a method for handwritten digits recognizing based on shape features and randomized tree classifiers. These methods are known for their long time machine learning and quick characters recognizing. This method is due to use of relative angles among key locations and is nearly invariant to substantial affine and nonlinear deformations.
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Optimization of logistics processes in the company Vanad 2000 a.s.
Perná, Dita ; Říhová, Zora (advisor) ; Dobrovolný, Martin (referee)
The thesis focuses on optimization of logistics processes in the company Vanad 2000 a.s. This company employs about fifty employees. Company is included among small companies from this reason. The logistics was chosen mainly because logistics has important role nowadays. Logistics is the main point to be different from the other companies and to gain a competitive advantage. Selected processes are described in this thesis. At these processes is designed optimization. We can find selected processes which are determined for optimization in this thesis. These processes are graphically displayed using BPMN diagram in the next part. The aim of dissertation is properly analyze selected processes and suggest a real solution of their optimization
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