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Team Reach Jessica McCartney Jie Zheng Monica Marinescu Xiaoning Xu

Mid-Year Presentation Engineering Design Clinic December 10, 2004. Team Reach Jessica McCartney Jie Zheng Monica Marinescu Xiaoning Xu. Introduction. Project goal: Develop a device to help visually impaired students navigate independently on campus Prototype Go! PAL. Background and Motivation.

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Team Reach Jessica McCartney Jie Zheng Monica Marinescu Xiaoning Xu

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  1. Mid-Year PresentationEngineering Design ClinicDecember 10, 2004 Team ReachJessica McCartneyJie ZhengMonica MarinescuXiaoning Xu

  2. Introduction • Project goal: Develop a device to help visually impaired students navigate independently on campus • Prototype Go! PAL

  3. Background and Motivation • Tasha’s request • Lack of navigation resources for visually impaired students on campus • Deficiencies of current products on the market • This project will combine entrepreneurial spirit and technical expertise to produce a final product that benefits society

  4. Overview • Introduction • Background and Motivation • Project Description • Work Completed • Work Remaining • Challenges • Conclusion

  5. Go! PAL GIS Compass GPS Receiver Headset Voice Interface Software Path-finding Software Wireless internet connection DGPS Base Station Visual Chart Image sources: spaceflightnow.com/delta/d297/images trl.trimble.com/docushare/dsweb/Get/Document-184028 danpatch.ecn.purdue.edu/~engelb/abe526/GIS www.sethwhite.org/images/science/ www.soundclarity.com/productdetail www.codeproject.com/csharp/Graphs_AStar www.cellphoneinfo.com/vx10.jpgwww.cloudbait.com/science/compass.gif

  6. Project Description • Main components to be added to our laptop: • Global Positioning System (GPS) receiver • Geographic Information System (GIS) software • Voice interface software • Path-finding software

  7. Work Completed: General System • Formed idea: Build device in PDA (Personal Digital Assistant) format • Developed current model: Upgrade laptop with two operating systems • Windows 2000 – provides easy access to programs • Windows CE – simulates the final product (PDA)

  8. Work Completed:Conceptual Model • Team created a device menu • Team members simulated the user-machine interaction using the menu • Tasha tested the model and made recommendations • Classmates provided additional feedback after live demonstration

  9. Work Completed:Hardware and Software • Researched and chose appropriate GPS receiver (Lassen iQ) • Identified suitable path finding software (ArcGIS Network Analyst) • Tested available voice software (Naturally Speaking, Kurzweil)

  10. Work Completed:Base Station and Communication • Obtained permission to use campus base station for DGPS correction • Gained good understanding of the necessary upgrades • Analyzed ways to access the DGPS correction • WiFi connection (free service on campus) • Cell phone internet access (monthly service fee)

  11. Work Remaining • Purchase the remaining components • Integrate hardware • Integrate software • Perform user testing • Prepare for final deliverables

  12. Work Remaining Bluetooth Adaptor Expansion Hub SERVER Bluetooth Wireless Headset WWW RECEIVING!!! RECEIVE SEND

  13. Work Remaining: Path finding • Finding the entire route • Finding the path to get back on the correct route 1 2

  14. Work Remaining: Voice Interface

  15. Work Remaining • User testing/ • Suggestions for product improvement • Preparation for final deliverables

  16. Challenges • Learning to use software for device applications • Adapting and expanding the voice-interface software • Integrating hardware and software components • Programming in Visual Basic and C++

  17. Conclusion • Gained a clear understanding of essential system components and how they will work together • Prepared a detailed plan of action for the Spring • We look forward to providing Tasha with a working version of Go! PAL

  18. Acknowledgements • Jon Caris & Prof. Andrew Fagg • Prof. Susannah Howe • Tasha • Nevena • Office of Disability Services • ITS • Fellow Design Clinic classmates • Audience members!

  19. Thank you! Q&A Session

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