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UMD ENSE 623 - Smart School ID System Project

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Smart School ID SystemSlide 2Slide 3Slide 4Smart Student ID SystemThe TechnologySlide 7Advantages of RFID over Bar CodeHow it WorksRFID SystemSystem ArchitectureSlide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25Slide 26Slide 27Slide 28Slide 29Slide 30Slide 31Slide 32Slide 33Slide 34Smart School ID SystemPresented By:Alpa KothariNeha Dua ENPM 613 – Systems Engineering Design ProjectSmart School ID System•The Need:–A school generally deals with the following high priority security risks: •Student accountability in normal and Emergency operations•Need to restrict outsider accessSmart School ID System•The Solution:–We propose a Smart School ID system that will provide presence detection/access control and notification services as well. –The presence detection/access control function is comprised of a wired/wireless sensor network of readers that is installed in school buildings to detect presence of students with badges or tags.–All school students will be supplied photo school ID cards that provide automated access to designated school entrances during school hours. The ID cards will be worn at school throughout the day.–As a part of the roll call, student IDs will be tapped into the system when each student arrives or leaves the school. This automates time and attendance reconciliation.Smart School ID System•Approach:–The system would be analyzed and UML definitions will be used to accurately define the system behavior.–Formal requirements for a particular school would then be created. –Finally system requirements will be verified to ensure that the system satisfies the properties required.Smart Student ID System•System Goals:–Goal 1: The system must be secure–Goal 2: The system must be efficient–Goal 3: The system must be usable–Goal 4: The system must be reliable–Goal 5: The system must be easy to maintain–Goal 6: The system must track accurately and maintain data integrity –Goal 7: The system must provide authorized accessThe Technology•Various ID Systems:–Bar Code–Biometric–Voice Identification–Optical Character Recognition (OCR) systems–RFIDThe Technology•RFID:–Radio frequency identification (RFID) technology uses radio waves to automatically identify physical objects (either living beings or inanimate items). Therefore, the range of objects identifiable using RFID includes virtually everything on this planet (and beyond). –Thus, RFID is an example of automatic identification (Auto-ID) technology by which a physical object can be identified automatically.Advantages of RFID over Bar Code•Advantages:–Human intervention is required to scan a barcode, whereas in most applications an RFID tag can be detected "hands off." –Barcodes must be visible on the outside of product packaging. RFID tags can be detected regardless of their orientation –You must have "line of sight" to read a barcode. Line of sight is not required for RFID tagged objects–The readability of barcodes can be impaired by dirt, moisture, abrasion, or packaging contours. RFID tags are not affected by those conditions. –RFID tags have a longer read range than barcodes. –RFID tags have read/write memory capability; barcodes do not. –More data can be stored in an RFID tag than can be stored on a barcode.How it WorksA radio device called a tag is attached to the object that needs to be identified. Unique identification data about this tagged object is stored on this tag. When such a tagged object is presented in front of a suitable RFID reader, the tag transmits this data to the reader (via the reader antenna). The reader then reads the data and has the capability to forward it over suitable communication channels, such as a network or a serial connection, to a software application running on a computer. This application can then use this unique data to identify the object presented to the reader. It can then perform a variety of actions such as updating the location information of this object in the database, sending an alert to the floor personnel, or completely ignoring it (if a duplicate read, for example).RFID System•An RFID system is an integrated collection of components that implement an RFID solution. –Tag. This is a mandatory component of any RFID system.–Reader. This is a mandatory component, too.–Reader antenna. This is another mandatory component. Some current readers available today have built-in antennas–Controller. This is a mandatory component. However, most of the new-generation readers have this component built in to them.–Sensor, actuator, and annunciator. These optional components are needed for external input and output of the system.–Host and software system. Theoretically, an RFID system can function independently without this component. Practically, an RFID system is close to worthless without this component.–Communication infrastructure. This mandatory component is a collection of both wired and wireless network and serial connection infrastructure needed to connect the previously listed components together to effectively communicate with each other.System ArchitectureSmart Student ID System•Level 1 Requirements Created•Level 2 Requirements Derived•Component Requirements & Specifications Developedrequirements.xlsSmart Student ID System•Use Case diagrams–We developed use case descriptions and diagrams to define the requirements of the system.–Identified the users of the systems and the roles–16 use cases were developed to cover the system functionality.Smart Student ID SystemSmart Student ID SystemSmart Student ID SystemSmart Student ID SystemActivity Diagrams & State Chart DiagramsActivity & state chart diagrams have been developed to study the Work flow & the Dynamic Behavior of the systemSmart Student ID SystemActivity DiagramsSmart Student ID SystemSmart Student ID SystemSmart Student ID SystemSTATE CHART DIAGRAMSSmart Student ID SystemSTATE CHART DIAGRAMSSmart Student ID SystemSTATE CHART DIAGRAMSSmart Student ID SystemValidation & VerificationTest Procedure–Test the effect of environments with different medium, humidity, and electromagnetic wave etc. –Test the difference between HF and UHF frequency, 96 bits and 2K bytes volume, active and passive tag, and the compatibility with bar code –Include both Field and lab testing as wellTest Specifications–“A Test Method of Tag on Thing’s Surface”Static


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