Internal Design Review

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Interactive Campus Map(ICM)

• Internal Design Review
• 2/26/09
• ARMS 1098B

Office of the Dean of Students
TRW ODOS
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Introduction of the team
ICM

• Project members
• Rachel Tenbarge
• Project leader
• Zach Cassiday
• Project member
• Jason Lee
• Project member

Insert picture here of team working on the big
campus map.
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Project History
ICM

• The project partner needed an easily accessible
  computer mapping system to allow for the easy
  travel of students, faculty, and visitors of
  Purdue University who have disabilities.
• Project was completed in 2005 but kiosk was
  brought back for maintenance

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Current Project Description
ICM

• What is the ICM?
• A program that provides printouts of shortest
  accessible routes from building to building.
• Why is the ICM useful?
• People with disabilities can acquire direction
  easily.
• Visitors new to campus can get directions.
• Students can access it online for directions at
  any time.

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Original ICM vs. New ICM
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Software Overview

• Code written in C, Perl, HTML.
• Program utilizes pixel coordinates from a picture
  of the campus map (designated as nodes) to
  determine the best path from the start location
  to the end.
• Once the best path is determined it displays a
  campus map and overlays the appropriate path onto
  it.

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Program Issues

• File storage
• Program creates a new data file at every run
• Current map is outdated
• The nodes (example below) are all initialized in
  a single database file
• MSEE-EE
  10 3734.738, 3856.882 9,11,16

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The Kiosk
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Kiosk Issues

• Kiosk is an interactive housing unit with a touch
  screen to run ICM wirelessly
• Wireless currently not working
• Unit runs an outdated version of the program
• Needs to print a map with users travel path
• Hard to line up the printer with the paper slot
  dispenser
• Paper falls to the floor when it is printed (no
  hold tray)

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Semester Goals Progress
ICM

• Include all accessible doors of all major
  buildings on campus (Completed 8.5 days time)
• Means walking around every building on campus
• Requires taking a map and plotting each
  accessible door
• Transfer all existing nodes (Completed 4 days
  time)
• Old database nodes on a smaller map for reference
• New database nodes on a bigger map for
  readability and elimination of unneeded nodes

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Semester Goals Progress
ICM

• Developed integrated team system to work on
  database nodes at the same time
• Plot shortest accessible paths from destination
  to destination (In progress 9 days timeand
  counting)
• Create all new nodes on new campus map
• Plot all neighbor nodes
• Run algorithm which calculates shortest path

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Semester Goals Progress
ICM

• For each new node calibrate exact pixel
  location(In progress Estimate 40-65 man hours
  to complete)
• Currently 600 nodes to calibrate
• Begin with old node location and manually compare
  new node to old node
• Takes approximately 4 minutes to place one node
• Traverse all combinations of possible paths (Not
  started Estimate 130 man hours to complete?)
• Fix paths that may go through buildings

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Future plans
ICM

• Release ICM prototype for field testing within
  1-2 weeks
• Fix kiosk structural issues and find permanent
  housing location for kiosk
• Hopefully to be completed while field testing is
  being conducted
• Revisions based on project partner feedback
• Complete final project by April 2009

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Thank you for your time valuable input
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Adjustable BookshelfABS

• Internal Design Review
• 02/26/09
• ARMS 1098B

Office of the Dean of Students
TRW ODOS
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Status Summary
ABS

• Expected usable prototype delivery April 2, 2009
• Purpose receive feedback from actual use
• Expected features at that date
• Full range of vertical motion
• Safety sensor
• Prototype wood surfaces
• Partial User Manual
• Final cost 320
• Reduction possible if creating multiple shelves

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Progress
ABS

• Track actuator installed
• System circuitry design and troubleshooting
• Purchase of electrical components
• Microswitches
• Limit switches
• Relays
• Power Supply
• Safety sensors, limit switches in place not wired

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Attention Areas
ABS

• Problem Complicated motor circuitry
• Solution Troubleshooting, new diagrams, purchase
  of a different part
• Implications None
• Problem Shelf and track actuator mounting
• Solution Correct mistakes made
• Implications None
• Problem Shelf size
• Solution Reviewed goals and deemed immediate
  resizing unnecessary
• Implications Shelf re-sizing will be done after
  circuitry testing no change in expected delivery
  date

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Technology
ABS

• Solved
• Circuitry simplified, modular sensor circuitry
• Able to be updated
• Objects able to be added
• To be solved
• Removal of top of shelf
• Problems mounting track actuator
• Official delivery date will be delayed
• Mounting of safety switch plate
• So as to not limit switch capabilities
• Will not meet project goals
• Options weather stripping, molding, wire ties
  and hooks

Shelf re-design with removal of shelf top
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Goals for Next Review
ABS

• Next status update Brief Memo on March 6
• Directly before testing with potential users
• Next review April 2
• Design review date
• Directly before prototype delivery date
• Upcoming goals
• Safety sensors and warnings (03/05)
• Shelf stabilizers (03/05)
• New actuating buttons (03/26)
• Re-sized shelf with top removed (03/26)
• User manual outline (04/02)

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Global Positioning System Device for the Visually
Impaired(GPS-DVI)

• Internal Design Review
• 02/26/09
• ARMS 1098B

Office of the Dean of Students
TRW ODOS
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Status Summary

• Project kind of behind because of a project
  redesign.
• Final delivery date is set for Spring 2010.
• Overall the project should cost about 250 per
  handheld GPS device.
• eTrex Legend Hcx, MicroSD chip, batteries

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Progress

• Project went through a redesign.
• Specific routes were inefficient so we are
  redesigning.
• Individual tours will guide students around
  campus.
• Went out and collected many different waypoints
  and intersections around campus.
• Created a handful of routes as part of original
  project design.

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Attention Areas

• Over 70,000 routes needed to be created by hand
• Too time consuming and inefficient so redesign
  was needed
• Should still be on track since we underestimated
  the amount of time for old project
• Nodes and Intersections
• There are hundreds of waypoints and intersections
  that need to be added.
• Should be finished adding Nodes and Intersections
  to our map within a week

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Technology

• Able to create routes on our mapping system with
  available waypoints and intersections.
• Still unable to add map to our mapping system
• Every waypoint and intersection must be added by
  going to the specific point with the eTrex.
• GPS dependent
• GPS is inaccurate at times
• Inaccurate points are removed and have to be
  plotted again.

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Goals for Next Review

• Design Review is on Thursday, April 2nd
• Goals
• Main Campus tour routes are created and tested to
  be accurate.
• Nodes and intersections of residence halls and
  buildings south of State Street are added.
• New tour routes of Discovery Park and the
  Residence Halls are created and tested.
• Think of ways to make GPS device accessible for
  students with visual impairments.