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Hexapod Robot Movement Control
Žák, Marek ; Luža, Radim (referee) ; Rozman, Jaroslav (advisor)
This thesis discusses walking robots issues, their classification, management and construction. There are listed the most famous motion algorithms and their graphical representation. Examples of existing walking robots are also mentioned in this thesis. There are also described modifications of hexapod robot, its hardware and software. The robot is controlled through graphical user interface, which displays data from all sensors, visualises positions of all legs and allows the creation of user defined gaits and its simulations.
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Robot Development Platform
Lörinc, Marek ; Žák, Marek (referee) ; Rozman, Jaroslav (advisor)
This thesis deals with the design and creation of a development platform for a robot designed especially for beginners. For this purpose is used the microcontroller AVR ATmega32 for which is designed and manufactured circuit board. It also deals with creating a robot on this platform, which contains the most used components in robotics. This robot will provide beginners all the necessary information to build their own robot. The last part of the thesis is the design and creation of the application, which will serve to control the robot and obtain the necessary information from the robot via Bluetooth. The application is designed to everyone could use it to control their robot.
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Searching for Objects in Pictures
Motlík, Matúš ; Žák, Marek (referee) ; Zbořil, František (advisor)
This bachelor's thesis deals with solving the problem of searching simple objects in pictures. The aim was to create a program that will be able to search simple objects in grayscale images. In this theses are described progressively steps of image processing. There are described preprocessing of image, segmentation, description of segmented data, classification and searching for objects in image.
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Controlling of Robot with Ackermann Steering
Fryč, Martin ; Žák, Marek (referee) ; Rozman, Jaroslav (advisor)
In this paper is described creation of a robot in Robot Operating system (ROS) withAckermann steering. It contains the principle of Ackermann steering geometry, search ofcontroller boards and basics of ROS structure. A RC car with connected PixHawk controlleris used as a basis of the robot. On the robot is placed an onboard computer Raspberry Pi3 with running ROS. This computer is connected to a laptop through Wi-Fi network. Theprocedure of starting up the robot and ROS is also described in this paper, as well asdesign of the graphical user interface (GUI) that will display sensory data and allow otherfunctionality. Another part of thesis explains principle of an optical encoder and how tocreate your own encoder which can detect rotation of a wheel. This is used to implementrobot odometry. The structure of ROS navigation library is analyzed with regards to itscommissioning. Implementation of the GUI and navigation library will follow in the masterthesis.
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Robot Positioning Based on Sensor Measurements
Čakloš, Ondrej ; Žák, Marek (referee) ; Rozman, Jaroslav (advisor)
The goal of this thesis is to create a program, that will be receiving measurements from robot's sensors and fuse them together. Afterwards use this data fusion of chosen sensors to estimate location of a robot. As a solution for these problems I have used my knowledge of Kalman filters, especially extended one. If messages from sensor measurements are well formulated, Kalman filter can perform fusion of measurements together with estimating the actual position of a robot. Filter can receive measurements from multiple sources and even from duplicities. The estimated states have proven themselves reasonably accurate for successful robot localization in space.
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Captcha Recognition
Pazderka, Radek ; Zbořil, František (referee) ; Žák, Marek (advisor)
This bachelor thesis is focused on design and implementation of application, which would recognize CAPTCHA codes. It also describes various types of CAPTCHA codes, their security properties and existing solutions which are used today for recognizing CAPTCHA codes. Main goal of this thesis is testing security of certain type of text CAPTCHA code, which is used by web sites for protection against illegal applications.
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Hexapod Robot Control
Pelz, Zdeněk ; Rozman, Jaroslav (referee) ; Žák, Marek (advisor)
This thesis contains problematics of robots with peddal chassis and is focused on hexapods. It contains description of design of hexapod chassis, limb analysis, gaits for movement on flat terrain and sensors for ranged measurement. Thesis is focused on hexapod PhantomX AX Hexapod Mark II.
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Hardware Chess Implementation
Zajíc, Roman ; Žák, Marek (referee) ; Rozman, Jaroslav (advisor)
This thesis deals with the design and the subsequent production of the electronic chessboard. The emphasis was placed on the resulting chessboard so that it was as similar as possible to the classic chessboard. In particular, to restrict players as little as possible during playing. The clock module is used for controlling of the chessboard, it, except the time switch, contains also a screen and keyboard controls. WeMos R1 mini, in combination with three Arduinos Nano, serves as the main controller of this board. Two of these Arduinos Are used for detection of pieces and signalization on the board itself. The third Arduino Is used for controlling of the chess clock and adjusting the chessboard settings.
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Intelligent Word Completing in GUI for Parish Records Rewriting
Postulka, Aleš ; Žák, Marek (referee) ; Rozman, Jaroslav (advisor)
This thesis is about creation of an intelligent word completion system for parish records rewriting. System is implemented as a part of graphical user interface of web application DEMOS. Main task of this system is displaying word suggestions for an individual record items, intelligent populating parts of parish record, displaying data suggestions for individual people of record and displaying suggestions which contains data suitable to populate the whole parish record.
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