rfid fmi presentation ognyan angelov
TRANSCRIPT
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RFIDOgnyan Angelov + Ivaylo Bachvarov
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RFID = ?
RFID:Радиочестотен идентификатор
Пренасяне на данни, идентифицирайкифизически обект, чрез радио вълни
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ИсторияКога, Кой и Защо?
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Léon Theremin 1945
Създава инструмент
за шпиониране
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World War II
Разпознаване на приятелски самолети
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Mario Cardullo 1973
Пасивен радио-транспондер с вградена памет
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ДизайнКакво и Как?
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Етикети
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Параметри на Етикетите
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Информация в Етикета
● Идентификация● Допълнителна информация за обекта
Информацията може да бъде в формат
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Четци
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Как работи?
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Ами сигнала?
● Четецът излъчва радиочестотно поле● Тагът акумулира радиовълните● Картата отвръща изпращайки информацията си● Четецът чете отговора
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Микро
● Тенденция за смаляване● 2009 Bristol University
o експеримент с мравки● Hitachi u-chip
o smallest of all● Антени
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Приложение
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Контрол на достъп
● Градски транспорт● Ски съоражения● Бизнес сграда● Хотели
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Контрол за намаления и преференции
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Идентификация на сходни по външен вид обекти
● Животновъдство● Домашни животни
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Библиотеки
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Спорт
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Идентификация на хора
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Училища и университети
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Проблеми
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Термално облъчване и вибрации.
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RFID vs Bar code
RFID
Бар код
Може да се прочете от по-голямо разстояние.
Може да се прочете без директна видимост
Не може да бъде променен и това да остане незабелязано
Дълъг живот
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Checkin @ FMI
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Как работи?
INTERNET
SERVER
Raspberry pi
RFID READER
US
B
HTTP Protocol
WebInterface
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Повече информация
● GitHub serverside: https://github.com/TheCodingMonkeys/checkin-at-fmi
● GitHub client: https://github.com/TheCodingMonkeys/checkin-at-fmi-client
● Life preview: http://checkin.zala100.com/
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Благодарим за вниманието!
… Въпроси :)?