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Personal Fall Detection Device

Personal Fall Detection Device. Georgia Institute of Technology School of Electrical and Computer Engineering. Jonathan Annua, Mason Edwards, Matthew Jue, Terry Sharp, Joshua Whittle. October 19-23, 2009. Project Overview. Falls are responsible for 70% of accidental death in persons aged 75+

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Personal Fall Detection Device

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  1. Personal Fall Detection Device Georgia Institute of Technology School of Electrical and Computer Engineering Jonathan Annua, Mason Edwards, Matthew Jue, Terry Sharp, Joshua Whittle October 19-23, 2009

  2. Project Overview Falls are responsible for 70% of accidental death in persons aged 75+ • PFDD is automated system of interconnecting devices to detect user falls • Primary client elderly people living alone. May need help if they fall • Current devices on market require user to press a button to gain help • Estimated development cost $150 • No monthly fee. Presented By: Matthew

  3. Design Goals • Transmitter Package • Fits around neck or ankle • Weight: under one pound • Covers average-size house • Battery life of six months • Receiver Package • Automatically calls emergency service • Prevents “false falls” • Low maintenance Presented By: Matthew

  4. Design Approach - Interface Presented By: Jonathan

  5. Design Approach – Component Diagram Doorbell transmitter Battery Tilt switch Pressure switch Doorbell receiver PIC Automatic phone dialer Emergency contact number Presented By: Jonathan

  6. Design Approach - States Presented By: Jonathan

  7. Project Demonstration • Demo consists of • Setup • Trial process Presented By: Terry

  8. Setup • In dorm room • Student wears PFDD • Pressure sensor connected to bed • Cell phone receives call • Safety mat for student Presented By: Terry

  9. Trial 1 Trial 2 Student in bed Student in bed Student off bed Student off bed Student fall Student in bed Cell phone ring Trial Process Presented By: Terry

  10. Cost Analysis Presented By: Mason

  11. Detecting Bed Pressure Presented By: Mason

  12. Transmitter Battery Life • Transmitter continuously transmits when in bed Possible solutions • Create one-shot circuit for pushbutton and tilt switch • Add repeat circuit with one-shot timer • Modify power supply Presented By: Mason

  13. Chime Output • Output from chime is AC, needs 2-5V DC for PIC Possible solution • Full-wave rectifier built with 5 V regulator Presented By: Joshua

  14. Schedule • Getting parts – 10/29/2009 • Prototyping – 10/20/2009 • Trouble shooting – 11/2/2009 • Soldering parts – 11/9/2009 • Project demonstration – 11/16/2009 • Writing final summary – 11/21/2009 Presented By: Joshua

  15. Current Status • Waiting for final parts • Putting parts together • Deciding on pressure sensor Presented By: Joshua

  16. 30% of elderly persons fall each year. Did you know?

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