Bathroom Entry and Soap Dispenser Detection - PowerPoint PPT Presentation

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Bathroom Entry and Soap Dispenser Detection

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  1. Bathroom Entry and Soap Dispenser Detection Paul Chang, Joe Contreras, Alejandro Gari Georgia Tech ECE4007/L03 October 22, 2009

  2. Did you know? • In industrialized nations, up to • 30 percent suffer from food contamination • In the US, 76 million people suffer and 5,000 die annually from food contamination • Within 12 hours, one bacterium that splits itself every half hour can create 17 million bacteria

  3. Key Points • System to track employee hand-hygiene • Reduce the chances for food contamination • The system is being designed for Arby’s • The cost of the system is $1,730

  4. Design Objectives • Detecting entry and exit of employee • Detecting use of soap dispenser • Logging of RFID tag data • Real-time alarm • Targeted for food service industry

  5. Sink Soap Dispenser Computer IR Sensor IR Sensor Box Dryer RFID Sensor Door Restroom Setup

  6. Design Approach • Have employee wear tag • Place antenna near entrance • Use IR sensor to detect soap dispensing • Create data logs through C program

  7. 13.56 MHz RF RFID Tag FEIG RFID Reader USB Ethernet USB eBox Computer Network IR Box 802.11g Inactive: 6V DC Active: 0V DC Manager's Computer IR Sensor System Block Diagram

  8. System isInactive System Reset Entry Detected Timer Started Exit Detected Log Updated 15 Minutes Passed? YES YES NO Soap Dispensed? NO Restroom Used Algorithm

  9. Bad Scenario Good Scenario

  10. Network eBox Manager's Computer IR Sensor FEIG RFID Reader RFID Antenna IR Box Demo Plan

  11. Algorithm Issues • Employee opens door but then decides to not enter the bathroom • Employee uses restroom for more than fifteen minutes • RFID tag is detected but employee does not enter bathroom and decides within 15 minutes to enter

  12. Acceptance Testing • Component Communications RFID tag and IR sensor communications with eBox will be verified • Program Scenarios will be tested to achieve a desired success rate of 80 percent • Simulation A simulation of the entire system will be performed prior to release of the product

  13. Project Schedule • Programming – 10/26/09 • Prototyping – 11/2/09 • Bathroom Simulation Setup – 11/16/09 • Final Presentation – 12/4/09 • System Demonstration – 12/10/09

  14. Budget and Cost Analysis

  15. Current Status • RFID tags – Working properly • IR sensor – Working properly • Sensor communication – Working properly • Programming Algorithm – Not finished • Bathroom Simulation Assembly – Not finished

  16. Network eBox Manager's Computer IR Sensor FEIG RFID Reader RFID Antenna IR Box