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Development of laboratory samples for wireless transmission of electric power based on the magnetic induction
Kopečný, David ; Štěpánek, Jaroslav (referee) ; Krbal, Michal (advisor)
The aim of the thesis is to collect the information about wireless transmission by using magnetic induction and about the current solutions of wireless applications in practice. The thesis includes theoretical basis and information about the current state of wireless power applications. This thesis is also focused on physical principle and draft of possible technical solution. On top of that, it also contains the information from some legislative and hygienic regulations. The second aim is draft of laboratory equipment on the base of gained information and its implementation for purpose of teaching and measuring. For this part was chosen topology of circuit and the specifications of resonance circuits. It resulted in producing a preparation, which consists of the exciter, primary circuit, secondary circuit and a module for measuring. The third aim is to take a measurement on this product and evaluation of characteristic from point of view of efficiency. Measured data were integrated into characteristics. The efficiency of transfer was measured depending on distance and used load. At the same time was also observed work frequency of product. Furthemore, another laboratory product was measured, in which was reached the efficiency more than 51%. The thesis is divided into four main chapters, which can be thematically named as follows: the information, the theory, the draft and the measurement. The first two chapters deal with the theory and characterization of technologies of already applied systems mainly from transport. The following two chapters contain the description of proposal of the product and the very measuring of the efficiency.
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Human Mo-cap System Based on Inertial Measurement Units
Grzybowská, Martina ; Semerád, Lukáš (referee) ; Drahanský, Martin (advisor)
Cieľom tejto práce je navrhnúť, zhotoviť a implementovať vlastný systém pre zachytávanie pohybu založený na inerciálnych meracích jednotkách. V rámci budovania teoretického základu bolo preskúmaných viacero metód, avšak primárne bola pozornosť venovaná samotnému inerciálnemu snímanu - jeho kladom a nedostatkom, kľúčovým vlastnostiam a jednotlivým komponentom potrebným pre zostrojenie systému na jeho báze. Tento úvodný zber informácií je nasledovaný fázami návrhu, zhotovenia a zhodnotenia, ktoré sa zaoberajú procesom vývoja a testovania daného riešenia. Hlavným prínosom realizácie systému je zostrojenie zariadení pre snímanie pohybu - jedná sa o malé, ľahké, batériovo napájané zariadenia, ktoré sú kompletne bezdrôtové, či už z hľadiska komunikácie s okolitým svetom, alebo vďaka napájaniu kompatibilnému so štandardom Qi.
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Active protection and monitoring device for wireless chargers
Volek, Radim ; Macho, Tomáš (referee) ; Petyovský, Petr (advisor)
This thesis deals with the design of monitoring device, which should serve for measurement and recording measured values of wireless charging device. The thesis further solves design of device protection method. Measuring instrument is equipped with several temperature sensors, which measures temperature in selected points of charging device and is also equipped with current sensor, which measures current from power source of charging device. Sensors are connected to development board FRDM-KL27Z with microcontroller MKL27Z64VLH4. Part of this work is also software which serves to evaluation of data obtained by the sensors.
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Wireless li-ion charger with high efficiency
Bottyán, Marian ; Leixner, Martin (referee) ; Pál, Tamás (advisor)
The aim of semester's work is the design and development of high efficiency wireless charger for li-ion batteries. According to the criteria for high efficiency and safety of the device on surroundings were components chosen in design. In conclusion, this work has estimated losses on components of the device. On their basis was determined the charging time and effeciency.
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Wireless charging station
Pokorný, Josef ; Hrabina,, Jan (referee) ; Janoušek, Jiří (advisor)
The paper deals with possibilities of wireless charging and transmission of electric energy using inductive coils. Basic models of air coils are described using CST simulation software. The product consists of a transducer for transmitting coil, two coils with ferromagnetic shield, synchronous rectifier and battery charging circuit. Communication is provided by an 8-bit microcontroller with wireless modules and an ethernet shield for online monitoring. The aim of the thesis is to design a wireless charging station with a power transfer of 40 W with the possibility of online monitoring of the charging state.
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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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Advanced waterproof flashlight for extreme condition
Šerík, Martin ; Kubíček, Michal (referee) ; Kincl, Zdeněk (advisor)
The work is focusing on the search for available solutions concerning the choice of components for advanced waterproof flashlight for extreme conditions and on building this device. After comparing the individual parameters the following components were selected: as a source of energy - four AAA batteries eneloop distributed by Sanyo, high-brightness LED CREE XP-G and microcontroller ATtiny24 distributed by Atmel. The user interaction is realized by support of capacitive touch buttons and the charging of the lighting device is wireless. The light is placed on the handlebar using a specialized holder.
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Human Mo-cap System Based on Inertial Measurement Units
Grzybowská, Martina ; Semerád, Lukáš (referee) ; Drahanský, Martin (advisor)
Cieľom tejto práce je navrhnúť, zhotoviť a implementovať vlastný systém pre zachytávanie pohybu založený na inerciálnych meracích jednotkách. V rámci budovania teoretického základu bolo preskúmaných viacero metód, avšak primárne bola pozornosť venovaná samotnému inerciálnemu snímanu - jeho kladom a nedostatkom, kľúčovým vlastnostiam a jednotlivým komponentom potrebným pre zostrojenie systému na jeho báze. Tento úvodný zber informácií je nasledovaný fázami návrhu, zhotovenia a zhodnotenia, ktoré sa zaoberajú procesom vývoja a testovania daného riešenia. Hlavným prínosom realizácie systému je zostrojenie zariadení pre snímanie pohybu - jedná sa o malé, ľahké, batériovo napájané zariadenia, ktoré sú kompletne bezdrôtové, či už z hľadiska komunikácie s okolitým svetom, alebo vďaka napájaniu kompatibilnému so štandardom Qi.
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Active Protection And Monitoring Device For Wireless Chargers
Volek, Radim
This thesis deals with the design of monitoring device, which should serve for measurement and recording measured values of wireless charging device. The thesis further solves design of device protection method. Measuring instrument is equipped with several temperature sensors, which measures temperature in selected points of charging device and is also equipped with current sensor, which measures current from power source of charging device. Sensors are connected to development board NXP FRDM-KL27Z with microcontroller MKL27Z64VLH4. Part of this work is also software which serves to evaluation of data obtained by the sensors.
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Active protection and monitoring device for wireless chargers
Volek, Radim ; Macho, Tomáš (referee) ; Petyovský, Petr (advisor)
This thesis deals with the design of monitoring device, which should serve for measurement and recording measured values of wireless charging device. The thesis further solves design of device protection method. Measuring instrument is equipped with several temperature sensors, which measures temperature in selected points of charging device and is also equipped with current sensor, which measures current from power source of charging device. Sensors are connected to development board FRDM-KL27Z with microcontroller MKL27Z64VLH4. Part of this work is also software which serves to evaluation of data obtained by the sensors.
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