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Optic flow software module design
Grulich, Jan ; Růžička, Michal (referee) ; Věchet, Stanislav (advisor)
This bachelor thesis is focused on the analysis of optical flow. The first part is dedicated to the theoretical analysis of the motion of image features. Especially important is finding quality features that can be tracked in a videosequence. Detailed mathematical description of the necessary algorithms is presented. The second part describes the software and its functions with the implemented algorithms. The main function is determining the distance of an object from the camera based on its velocity. Empirical tests of this function are presented.
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Altitmeter for RC aircraft models
Kotulek, Milan ; Štohanzl, Milan (referee) ; Prokopec, Jan (advisor)
Bachelor thesis describes a device for measuring and recording flight position RC model, which consist of a microcontroller and a pressure sensor. It measures values of atmosferic pressure and these data are convert by microcontroller to specific height. All is during flight saved to memory and later can be transferred to PC.
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Digital signal of pressure senzors processing using CPLD
Zátura, Michal ; Fedra, Zbyněk (referee) ; Kováč, Michal (advisor)
The goal of this bachelor’s thesis is to design electronic part of the scanning system used to measure altitude. The electronic part is designed as module connected to the development platform XC2-XL. This module is realized like PCB. The principles of the signal processing of the signal from the pressure sensor MPXH6250, particular blocks of the designed module and principle of the barometrical altitude measuring are also described in this thesis. Thesis briefly informs about designing environment Xilinx ISE, VHDL language, the principle and the application of the pressure sensors, the structure of the programmable logic device CPLD and FPGA, the development platforms XC2-XL, the Xilinx Spartan-3 Starter Kit, the programmable logic devices CPLD Coolrunner-II XC2C256 and Spartan-3 XC3S200 FPGA used on the development platforms. The very important part is to design algorithm for processing the logarithm in the digital logic and it´s implementation in VHDL language.
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Altitude meter for RC models
Beneš, Jan ; Frýza, Tomáš (referee) ; Prokopec, Jan (advisor)
Altimeter measures atmospheric air pressure and counts actual model altitude from it. Then sends data to ground module, which shows them on display. Ground module contains USB interface for connecting to PC. It enables upload of flight data and opportunity to show them in graphical representation.
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Radar Altimeter for Ultralight Aircraft
Absolon, Marek ; Zemčík, Pavel (referee) ; Maršík, Lukáš (advisor)
The main topic of this paper is a radar ranging for use in an aircraft altitude measurement. This should help beginner pilots in practicing landing and take off. To achieve this aim, we chose to use continuous-wave radars with frequency modulation (FMCW). Our solution is based on linear frequency modulation method using triangular modulation pattern. During the testing, it was found out, that radars with 24 GHz bandwidth have a range resolution from 1 meter (depending on modulation depth) to 13 metres. This range is sufficient for usage in training of takeoffs and landings, which is the real purpose of this paper. Another good finding is, that during takeoff and landing, there is minimal occurrence of doppler frequencies. Final algorithm works on principle of two currently processed spectrums, which are substracted. Afterwards, found peaks are validated on current spectrum.
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Radar Altimeter for Ultramicro Airplanes
Imrich, Marek ; Maršík, Lukáš (referee) ; Zemčík, Pavel (advisor)
Radar equipment is an integral part of the aviation sector. It is very important to use a suitable module to guide ultralight aircraft during landing. The bachelor thesis is focused on the use of altitude radar based on the microwave sensor IWR6843ISK manufactured by TEXAS Instruments and its application in practice for ultralight aircraft. Its ability in conjunction with a computer is the altitude guidance of an ultralight aircraft to the runway by generating sound tones to indicate to the pilot the distance above the terrain. The main goal of this work is to design a model for the use of a microwave module in conjunction with a computer and its subsequent testing of the suitability for use in performing a landing maneuver. The aim of this work is to design a system that works with millimeter radar and its evaluation of usability in practice. The proposed module generates point clouds, which are then parsed, then the output data are suitably correlated, further transformed to the exact height of the aircraft above the terrain with subsequent sound interpretation to the pilot.
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Altitmeter for RC aircraft models
Švec, Jan ; Frýza, Tomáš (referee) ; Prokopec, Jan (advisor)
The aim of my bachelor thesis is to design an altimeter, who uses to record the attitude of the model "RC plane" evaluation of the current atmospheric pressure. The data are saved during the flight into the memory.The data can be transferred to PC after recording through the USB . The software on PC communicates with the device and ensuring the conversion of recorded pressure to altitude RC model.
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Altitmeter for RC aircraft models
Švec, Jan ; Frýza, Tomáš (referee) ; Prokopec, Jan (advisor)
The aim of my bachelor thesis is to design a altimeter, who uses to record the attitude of the model "RC plane" evaluation of the current atmospheric pressure. The data are storaged during the flight into memory. Data can be after the recording through the USB transferred to the PC store. The software on the PC communicates with the device and ensuring the conversion of recorded pressure to altitude RC model.
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Radar Altimeter for Ultralight Aircraft
Zahradník, Jiří ; Zemčík, Pavel (referee) ; Maršík, Lukáš (advisor)
In this bachelor thesis author designs a radar altimeter. In this thesis the emphasis is placed onto modular architecture and that is why this altimeter is designed as a group of independent modules communicating through BSD sockets. Software implementation is made in C++ and for sound generator is used library PulseAudio. Next topic is multithreading safety implementation of queue and stack which was made by template class to keep simplicity and generality.
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