Team Reach Jessica McCartney Jie Zheng Monica Marinescu Xiaoning Xu Mid-Year Presentation Engineering Design Clinic December 10, 2004

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

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

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

Visual Chart Go! PAL GIS Compass GPS Receiver Headset Voice Interface Software Path-finding Software Wireless internet connection DGPS Base Station Image sources: spaceflightnow.com/delta/d297/images trl.trimble.com/docushare/dsweb/Get/Document danpatch.ecn.purdue.edu/~engelb/abe526/GIS

Project Description Main components to be added to our laptop: Main components to be added to our laptop: Global Positioning System (GPS) receiverGlobal Positioning System (GPS) receiver Geographic Information System (GIS) softwareGeographic Information System (GIS) software Voice interface softwareVoice interface software Path-finding softwarePath-finding software

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

Work Completed: Conceptual Model 1.Team created a device menu 2.Team members simulated the user- machine interaction using the menu 3.Tasha tested the model and made recommendations 4.Classmates provided additional feedback after live demonstration

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

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

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

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

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

Work Remaining: Voice Interface

Work Remaining User testing/User testing/ Suggestions for product improvement Preparation for final deliverablesPreparation for final deliverables

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

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

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

Thank you! Q&A Session