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BuggyHero Shopping Cart Navigation System

BuggyHero Shopping Cart Navigation System. April 26, 2011 Sheng Jiang, CompE Hason Ng, CompE Sagar Biddanda, EE Ruoxi Jiang, EE. Project Overview. Assists shoppers Navigation system with the ability to Locate items Provide detailed directions Small scale proof of concept

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BuggyHero Shopping Cart Navigation System

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  1. BuggyHero Shopping Cart Navigation System April 26, 2011 Sheng Jiang, CompE Hason Ng, CompE Sagar Biddanda, EE Ruoxi Jiang, EE

  2. Project Overview • Assists shoppers • Navigation system with the ability to • Locate items • Provide detailed directions • Small scale proof of concept • Prototype cost: $230

  3. Design Objectives • Locate items • Acquire user input • Query database for item information and location • Provide detailed directions • Obtain current cart location • Find optimal path from current location to the item

  4. Project Illustration

  5. Hardware Overview

  6. Hardware: Beacons

  7. Hardware: Voltage Regulator

  8. Hardware Pictures

  9. Software Components • OS: Ubuntu 10.10 Maverick Meerkat • Python programs • XBee control • Navigation algorithm • Positioning system • GUI • TKinter library

  10. Software: Communication Overview

  11. Software: Location Detection • Location determined by signal strength of beacons • Mapped to store layout Beacon Coverage Shelf

  12. Software Algorithm Overview

  13. Software: GUI

  14. Software: GUI Map

  15. Software: Navigation • Proposed implementation: A* navigation algorithm • Finds least-cost path from a given initial node to destination node • Implemented Dijkstra’s navigation algorithm • More consistent performance and accuracy

  16. Software: Database

  17. Problems • Video output • S-Video • HDMI to VGA • Initial location detection • Touchscreen not recognized by Ubuntu • Scaling beacon network to store layout

  18. Budget and Cost Analysis • Total Amount Spent: $230 • Total Estimated Parts Cost: $580 • Total Estimated Cost (Network with 5 nodes, including labor): $600 • Total Estimated Cost (1 unit, including labor): $450

  19. Results

  20. Demonstration and Acceptance Testing

  21. Future Improvements

  22. Questions?

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