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• 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 bacteria2

• 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

3

• Detecting entry and exit of employee

• Detecting use of soap dispenser

• Logging of RFID tag data

• Real-time alarm

• Targeted for food service industry

4

RFID Sensor

IR Sensor

Soap DispenserComputer

IR Sensor BoxDryer

Door

Sink

5

• Have employee wear tag

• Place antenna near entrance

• Use IR sensor to detect soap dispensing

• Create data logs through C program

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RFIDTag

RFIDTag

13.56 MHz RF13.56 MHz RFFEIG RFID

ReaderFEIG RFID

Reader

IR BoxIR Box

IR SensorIR Sensor

eBoxComputer

eBoxComputer

USBUSB

USBUSBNetworkNetwork

EthernetEthernet

802.11g802.11g

Manager'sComputerManager'sComputer

Inactive: 6V DCActive: 0V DC

Inactive: 6V DCActive: 0V DC

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System is InactiveSystem is Inactive

Timer StartedTimer Started

15 Minutes Passed?

YESYES

NONO

Restroom UsedRestroom Used

Entry DetectedEntry Detected

System ResetSystem Reset

Soap Dispensed?

YESYES

NONO

Log Updated

Log Updated

Exit Detected

Exit Detected

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Bad Bad ScenarioScenario

Good Good ScenarioScenario

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NetworkNetwork

RFID AntennaRFID Antenna

IR BoxIR Box

IR SensorIR Sensor

FEIG RFIDReaderFEIG RFIDReader

eBoxeBox

Manager'sComputerManager'sComputer

10

• 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

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• Component CommunicationsRFID tag and IR sensor communications with eBox will be verified

• ProgramScenarios will be tested to achieve a desired success rate of 80 percent

• SimulationA simulation of the entire system will be

performed prior to release of the product

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• Programming – 10/26/09

• Prototyping – 11/2/09

• Bathroom Simulation Setup – 11/16/09

• Final Presentation – 12/4/09

• System Demonstration – 12/10/09

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Price

Parts $1,730

Market Price $2,500

Research and Development per Year

$30,000

14

• RFID tags – Working properly

• IR sensor – Working properly

• Sensor communication – Working properly

• Programming Algorithm – Not finished

• Bathroom Simulation Assembly – Not finished

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NetworkNetwork

RFID Antenna

RFID Antenna

IR BoxIR Box

IR SensorIR Sensor

FEIG RFIDReader

FEIG RFIDReader

eBoxeBox

Manager'sComputer

Manager'sComputer

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