Ultrazvukový anemometr

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Práce popisuje principy a problémy při realizaci ultrazvukového anemometru. Je popsán princip výpočtu rychlosti větru a následné korekce výpočtu. Pro realizaci jsou využity ultrazvukové sensory a microcontrolér ARM Cortex-M3. Práce se zabývá generováním PWM signálu, jeho analogovou filtrací, zesílením a odvysíláním. Na přijímací straně jeto nízkonapěťový zesilovač a komparátor. Vyvíjený kód je popsán pomocí vývojového diagramu.

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permit give know what exactly is processor doing some critical parts and let work reasonable complexity. But still there are lot method how improve preciseness. Great benefit this project was improved knowledge language and its usage in practice. enjoyed Spanish warm climate and nature local people.CONCLUSION Technical From our aims successfully built axis works anemometer. programmed all the code language using driver library API with some checking assembler language. 35 . Comparator should make interruption with lower reference and more advanced ADC input signal processing could included. Erasmus Valencia was great experience. Spanish speaking environment was considerable experience for well as writing English. exclude error like m/s with obstacle between sensors. has much more potential, than used. Personal I've get know theoretical background and methods how construct anemometer. Sensors could be changed the another which includes transmitter and receiver one component. Finally would like thank co-worker from Ireland and especially my director for his willingness solving problems. I've get practice with few types operational amplifiers and comparator various connection. Cortex-M3 Stellaris platform suitable for this application. Then familiarized with ultrasonic sensors and possibilities their usage. Basic amplitude and temperature corrections are included

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