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Wireless Localization Module with Low-Power Firmware Based on RTOS
Lipka, Radim ; Bardonek, Petr (referee) ; Šimek, Václav (advisor)
This thesis focuses on the design and implementation of the wireless localization module, using UWB technology with emphases on low-power firmwre based on RTOS. Wireless localization is based on TDoA algorithm. The resulting HW module is designed as a four layer PCB, based on MCU crf52832 (ARM Cortex M4) and UWB module DevaWave DW1000. Firmware is implemented using FreeRTOS with emphasis on low power consumption. For hardware implementation, Eagle CAD was used. Firmware is implemented in C and Assembly programming languages.
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SW for access panel of data concentrator
Kováč, Jakub ; Franek, Lešek (referee) ; Šťastný, Ladislav (advisor)
The aim of this work is design the software for operating panel of data concentrator. The work shows serial communication between human-machine interface and data concentrator. There are designed the communications protocol and graphical interface for device. Consequently is shown design of algorithm of control application. The algorithm is designed in view of battery supply by using of Low-power modes.
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Recoil forces measurement after shot
Juráň, Radovan ; Prokeš, Aleš (referee) ; Frýza, Tomáš (advisor)
The thesis focuses on designing device for recoil forces measurement. First part – the semestral project of winter semester 2016/2017 – was focused on the hardware design. Programming of the firmware and also the software for getting data to PC was created in the summer semester to complete the bachelors thehis as a whole.
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Development localization board
Szabó, Michal ; Novotný, Radovan (referee) ; Levek, Vladimír (advisor)
This document describes a device capable to determine geographical position thanks to its GNSS module and measure the change of movement with the help of an accelerometer and gyroscope. Outputs of these integrated circuits are combined, data are processed and fused thanks to a numerical integration and mathematical filters. Results are stored on a memory card. The whole development is described from a concept, through the making of the device and software algorithms to the testing of its functions.
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Field sensor network for microclimatological measurements
Juráň, Radovan ; Frýza, Tomáš (referee) ; Povalač, Aleš (advisor)
Tato práce je zaměřena na návrh terénní bezdrátové senzorové sítě pro mikroklimatologická měření, zejména výronů juvenilního oxidu uhličitho v oblasti hydrotermílního krasu, založené na LoRaWAN. V teoretické části práce je předložen přehled cílové oblasti, možností řešení měření, získávání a přenosu dat. Praktická část se pak věnuje kompletnímu návrhu celého systému, to znamená od měřicího zařízení přes koncentrátor a gateway až po backend odesílání dat do cloudového úložiště. Výsledky tohoto komplexního problému jsou prezentovány průběžně a přílohy obsahují detailnější a názornější ukázky.
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Power monitoring of IoT devices
Verčimák, Mário ; Jirgl, Miroslav (referee) ; Bradáč, Zdeněk (advisor)
This thesis describes energy consumption and power supplying low-power IoT devices. There is general analysis of current consumption and selecting suitable primary battery cell depends of behavior battery type. The next point is analysis of low-power and high-effectivity DC/DC convertor’s feature. The second part contains available solutions for energy monitoring and current measurement. This thesis also contains design of device for measure these energy consumption, with user application, which interprets measured data.
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Smart Wearable
Moravec, Luboš ; Macháň, Ladislav (referee) ; Šteffan, Pavel (advisor)
This master’s thesis deals with the explanation of the concept of smart wearables and the different application possibilities. This work also includes examples of finished demonstration devices in this category. Part of this work is devoted to guide the selection of appropriate components for the design of new equipment in the category of smart wearable. The result of this thesis is designed wearable and charging station. This device is able to read user input and display that information on a smart device running under Android system connected via Bluetooth technology.
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Converter with very low input voltage
Jaško, Michal ; Beneš, Petr (referee) ; Havránek, Zdeněk (advisor)
This Bachelor’s thesis describes a design and testing of an increasing direct voltage converter transforming light energy received by a photodiode to electrical energy with sufficient output voltage to power digital circuits. The theoretical part forms an overview of commercial circuits and the Linear Technology LTC3109 and the combination of Seiko S-822Z20 and S-8353D30MC are chosen as suitable for the further research. The function principles of these circuits are described. In the practical part the maximum output power and efficiency dependences on the internal resistance of the power source of the circuits are measured. Based on the results the characteristics of the Linear Technology circuit with different variants of the input transformers are compared. A modified Seiko circuit with an input photodiode is designed and its function is verified by laser diode powering through an optical fiber.
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