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Design and Implementation of the access control system based on RFID development

Author: HeJun
Tutor: TianZhong
School: University of Electronic Science and Technology
Course: Circuits and Systems
Keywords: Open - Access LPC2378 microprocessor JMS message service Lucene index
CLC: TP273.5
Type: Master's thesis
Year: 2010
Downloads: 362
Quote: 1
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Abstract


RFID ( radio frequency identification ) technology is the use of radio frequency to identify technology equipped with a label objects , is a non-contact automatic identification technology , the technology has been applied in many fields , such as pharmaceutical , aerospace , construction and oil equipment maintenance , auto industry and retail trade , and greatly improve the management and operational efficiency while reducing operating costs. Based on EPRI since the proposed project , designed and implemented the open RFID-based access control system , which consists of the RFID reader module reader control module IO communication module , message processing module and the search module . NFC-9501M reader is a passive RFID reader with serial communication , therefore , designed a Reader LPC2378 microprocessor - based control system , the RTC (real time clock ) and the increase in the peripheral chip Flash, the infrared radio module and LCD module , its main functions : First, identify whether someone access gate , the second is to read the label information to verify the legitimacy and the legitimate user data is displayed on the LCD screen , Third will be read into the data smoothing filter , four if it is an illegal user , the buzzer sounding a warning shall be given , five is in accordance with the custom communication protocols in real time will be effective tag label data and the read time sent to the host computer . On the host computer side , the reader control module communication is the IO communication module , the module 's main function is to resolve data transmitted from the reader on the control module , and packaged as an instance of the object , this by the message processing module The object to the JMS (Java Message service) message specification processing, in order for the enterprise application systems for the door of the user information processing . The Lucene indexing techniques based business process layer provides a common set of the indexing library files and search API enables data search time in ten million is less than 10 seconds . The open access system main functions: First, the RFID reader operating frequency is 915MHz, can achieve long distance card reader ; no power locks closed to control access ; Reader NFC-9501M integrated anti-collision algorithm, at the same time be able to identify multiple labels .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system > Computer control, computer control system
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