|
| |
|
|
Separation of dynamic and static structures in a videosequence
Serediuk, Vadym ; Pavlík, Jan (referee) ; Rajmic, Pavel (advisor)
The aim of this bachelor thesis is the description and implementation of methods for the separation of low-rank and sparse structures in image sequence, mainly focusing on methods based on convex optimization. The beginning of the work is devoted to the description of basic mathematical concepts and definitions used in the work. The next comes the description of general case of background-foreground separation in video, followed by a brief overview of existing approaches based on various mathematical models. Then, methods based on matrix decomposition are described in more detail, a convex minimization task for background separation is defined. This is followed by a practical part, where the used methods are first described and then implemented in MATLAB scripts. At the end, the analysis and comparison of the results (obtained both using own scripts and external library) is performed.
|
|
|
Design of small hobby CNC milling machine with fixed table
Hanzal, Jiří ; Marek, Tomáš (referee) ; Pavlík, Jan (advisor)
The topic of this work is the design of a small model CNC milling machine with a fixed table for machining wood, plastic, or light alloys (Al, Zn, etc.). It also includes a calculation report and drawing documentation of selected nodes. The beginning of this work consists of an introduction to the issue of milling machines, their distribution and subsequent market analysis. Subsequently, the input parameters are designed on the basis of market analysis and in the last part there is a calculation report, the design of the milling machine itself and a short economic evaluation.
|
|
|
Design of small CNC milling machine
Kubálek, Petr ; Pavlík, Jan (referee) ; Blecha, Petr (advisor)
This bachelor thesis deals with the design and construction of a small CNC milling machine. The thesis contains basic divisions and an analysis of the availability of small CNC milling machines. It also contains calculations of the cutting parameters of the selected tool and feed axes. Finally, there are presented some variants of the mainconstruction parts. The thesis also includes 3D model and drawing documentation.
|
|
|
Design of a portable machine for machining large diameter pipes
Boháč, Josef ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
This diploma thesis deals with the design of a portable machine for machining large diameter pipes. This thesis is divided into research, calculation, design, and construction parts. The introductory part is devoted to research in the field of joining large diameter pipes, with a focus on flanged and welded joints. Based on the findings from the research part, several construction solutions were considered. In the next part, the most suitable design solution was selected using a multicriteria analysis technique and subsequently elaborated on in detail. The following chapter deals with the calculation of maximal cutting forces and the selection of motor. An air motor was chosen as the most suitable option for the proposed machine. This part is followed by the computational part, which includes strength calculations for the critical parts of the machine. The final part of the thesis is devoted to the construction itself and the description of the individual construction nodes of the machine. The thesis also includes a 3D model, drawings of selected parts, and an assembly drawing.
|
|
|
Plastic Injection Moulding Machine
Ličko, Ľubomír ; Synek, Miloš (referee) ; Pavlík, Jan (advisor)
This thesis is focused on design of equipment for injection molding. The work discusses current state of technology for injection molding. In the work is conducted structural design of horizontal injection press for plastics processing with horizontal closing movement. Injection molding machine is designed to form the parting plane of maximum dimension 350 x 350 mm.
|
|
|
Design of core shooting machine with a fixed head
Vacek, Lukáš ; Pavlík, Jan (referee) ; Bradáč, František (advisor)
This work deals with shooting machines with fixed head engineering design. The first part follows up purpose of cores using in the foundry industry and its development. Marginally addresses problems arising in the foundry industry related to the environment and then comparing shooting machines used for the cores production. The work includes a three-dimensional structural model of shooting machine describing the various parts, strength calculations and detailed design of machine worktable.
|
|
|
Searches press brakes
Volejníček, Martin ; Bilík, Martin (referee) ; Pavlík, Jan (advisor)
The goal of my thesis was to create an integrated classification of press brakes. Introduce advanced press brakes and their basic specifications. Bending is a very common way of forming. Production bent part of a waste-free and economical. Modern hydraulic press brakes allow quick and precise production. Automated bending cells achieve high productivity.
|
|
|
Design of platform for handheld circular saw
Koutecký, Vojtěch ; Pavlík, Josef (referee) ; Pavlík, Jan (advisor)
The aim of this work is an effort to create a mobile and space-saving workbench for clamping a hand-held circular saw with angle and height variation of the saw blade. As part of the technical report with the relevant calculations and drawings of the main parts of the worktable. Table will contain auxiliary cables (also dimensionally adjustable) for longitudinal cutting. This set will serve as the "saw" for the simple joinery operations or as a cheaper competitor aforementioned saws.
|
|
| |
guest ::
RSS feed.