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Simulator of Railway Interlocking
Hovorka, Bedřich ; Polášek, Petr (referee) ; Martinek, David (advisor)
Railway interlocking is a dispatching facility for traffic control. The dispatcher controls train paths by setting switches and signals. In this thesis, I describe the design and implementation of a simple simulator of the facility in the Java language. I have studied functions of this facility. I interested with structure of whole application. And I implemented behaviour of foundamental elements.
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UGE - Import/Export
Kádek, Tibor ; Polášek, Petr (referee) ; Smrčka, Aleš (advisor)
This thesis deals with creating graphs in application UGE (Universal graphic editor) and facilities it offers for plugins programmers. Goal of the thesis is to design UGML (UGE Graph Markup Language) data format, implement plugin for importing/exporting graph, implement SVG graphic format export and export into several bitmap formats. Thesis extends particular parts of application, especially API (application program interface) and manipulating graphical representation of objects.
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Anti-Malware Screensaver
Rebenda, Ivo ; Polášek, Petr (referee) ; Peringer, Petr (advisor)
The aim of this thesis is creating anti-malware screen saver and move hardware demanding anti-malware scanning, on time when the user doesn't work with computer. Application programming interface is AVG API, programming language C++. Target operating system is Microsoft Windows.
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Cellular Automata Simulator
Martinek, Dominik ; Polášek, Petr (referee) ; Peringer, Petr (advisor)
This work describes concept and implementation of cellular automata simulator. It is resolved into three thematic parts. First part is devoted to describe many kinds of cellular automata.In second part is concept of simulator. Thirt part contains procedure of implementation and some test and exemplary models.
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Design of testing rig for static and cyclic stress by pressure
Gerák, Jakub ; Polášek, Přemysl (referee) ; Škopán, Miroslav (advisor)
This diploma thesis describes the design of equipment for static and cyclic loading of coolers by pressure. The aim is to first identify the necessary parameters from the tested coolers. Then, based on the obtained data, design the hydraulic circuit, including the parameters of individual components and motors, followed by the design the control logic, which is required for designing the control system.
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Auxiliary inverters for electric traction
Polášek, Petr ; Pazdera, Ivo (referee) ; Červinka, Dalibor (advisor)
This thesis concerns with specified problems of an electric traction. It deals with the concept of module controlling EC motor of the voltage 24V and the current 100A. There are described possibilities and principles of controlling EC motor in detail. For controlling, the single-purpose IO MC33035, which is directly specified for it, is used. The thesis describes implementation of both testing and final versions of converter for a circulating pump drive of a cooling circuit in locomotives. The convertor is partly universal and can be used in other applications. According to the implemented convertor, a laboratory test and a model protocol were made. In the second part, the concept is described as well as the implementation of DC/DC conventor of output voltage of 24V and which is supplied by 12V battery. The specified output current is 4A. It is used for supplying of the controlling traction vehicle unit and is installed as a boost convertor which contains a resonance conventor. The presentation of measured parameters of the complete convertor is either a part of this thesis.
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Incentives leading companies to certification of ISO 14001
Polášek, Petr ; Vejchodská, Eliška (advisor) ; Louda, Jiří (referee)
Aim of the thesis is to define, characterize, structure and analyse incentives that lead firms to undergo and keep certification of the voluntary environmental standard ISO 14001. Following hypothesis was formulated in line with chosen aim: firms certify themselves with ISO 14001 mainly due to necessity of implementation of environmental elements to corporate governance in line with sustainable development. Outcome of the retrievel part of the thesis is to clearly define and well structure incentives that lead firms to certification. Subject matter experts from different certified companies assign to these incentives scales using staistical pairwise comparisons called Fuller's triangle. Based on the scales and order is confirmed or denied formulated hypothesis.
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