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Adjustable Book Shelf Team Members : Vineeth Alva Ankit Dhawan Shohei Shibata
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Presentation Outline Problem Definition Concept Generation Concept Evaluation Current Progress Expected Semester Outcome Overall Project Plan
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The Dorm Desk and Bookshelf
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Problem Definition Bookshelf unit in dorm rooms do not follow the guidelines set by ADA (Americans with Disabilities Act). Height range of 9” to 48”: Lowest point of current shelf is approximately 50”. Front reach maximum of 25”: The current shelf unit is located at exactly 25”. Goal: To design a shelf unit that is within the guidelines set by ADA, within the limited space available in a dorm room. *User must not insert more than 5 lb of force to access the bookshelf.
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Concepts Generated Sliding Down Bookshelf Bookshelf will be placed in existing bookshelf in dorm, lowered and raised onto desk Side of Desk – Low Bookshelf placed underneath desk, moved in and out Side of Desk – High Bookshelf placed on side of desk. Above desk such that there is no need for it to move Swing Shelf Placed underneath desk, swings towards user.
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Concept Evaluation Evaluation was done using decision matrix Evaluated each concept against customer requirements such as Reachability, Ease of Access, Cost. Compared each concept with the existing bookshelf Side of Desk – High, was chosen for its reachability and use of space.
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Current Progress Dimensions of shelf unit and platform complete Performing force analysis Designing moving mechanism and switch
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Current Progress
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Force Analysis Stress Analysis Plywood structure is strong enough for the bookshelf Weight of motor mechanism to be determined Acceleration of shelf 0.13 ft/sec 2 for movement in 5 seconds This number determines force needed by the motor.
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Expected Semester Outcome Complete Design Finish designing moving mechanism Choose materials, parts Build Prototype Complete as designed Test
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Overall Project Plan Prototype completed this semester Start testing prototype, continue testing in Fall Delivery in November, 2004
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Objective: To help students with physical disabilities locate the best accessible path between campus locations by drawing a map Can also be used by visitors
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Group Members Abdul Zahid Project Leader Programmer Avirul Sharma Programmer Brian Eng GPS Coordinator Saad Sami Database Manager
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Last Semester Smaller partly working map DEMO!!!! Able to integrate bigger campus map Problems with the path drawing Extended the campus coverage
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Semester Goals Improve path drawing Expand area, and plan improvements Resize existing map Add turn by turn directions Faster map loading using BMP image format
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Web-Interface Facilitates channeling of the user input data to the best path implementation routine Simple and easy to use Easy to maintain for future semesters Accessible via home computers, not just kiosk
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Nodes in the Map
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Node Database Database example For GPS coordinates (Latitude, Longitude) NodeNameGPS CoordinatesTYPENeighbors 1PHYS6.285, 1.225Door2,4,9,10 2MSEE(NW)6.654, 3.256Door1,7,9,14 3MSEE(SE)6.542, 3.2545Door4,5,6 4INT16.021, 3.021Intersection1,3,6
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This Semester Accurate Path Drawing – Done Obtain more GPS coordinates for all of campus – Done Kiosk – Ready Faster map loading – Nearing Completion Turn by turn Directions – In Development Project Delivery – End of the Semester
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Coverage Area Engineering Mall Area surrounding (and including) BRNG, MATH, and CL50 Clock tower area (SC, CS, PSY) “Chemistry” area (WTHR, BRWN, GRIS, HEAV, etc) Union Area (PMU, Stewart, HICKS)
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Project Partner Updated the Project Partner about the current status Informed about our semester goals Will inform about our delivery plans
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DEMO!!!!!
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Semester Timeline
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Continuity Plan Add new buildings to the database Add turn by turn directions if possible
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Questions?
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GPS-DVI Global Positioning System Device for the Visually Impaired Team members : 1.Howard Lityo5. Sak Mahasuverachai 2.Sivanit Ratanadib 6. Abdul Zahid 3.Ryan Hicks 7. Michael Alexander 4. Bryn Nealis
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Overview Introduction Previous Semester Project partner meeting Semester Goal Current State Demo Problems
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Introduction GPS-DVI : Team project that involves the development of a handheld device, incorporating a PDA with a GPS receiver which will aid students who are visually impaired in navigation around the campus.
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Design Objectives Input Input building name Braille overlay Output Voice Turn by turn directions Input confirmation Assumptions Visually Impaired user On West Lafayette Campus
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Previous Semester Completed shortest path algorithm GPS Receiver data Not able to update in continuously Voice Output Research, available options, etc. GUI completed Modified again this semester
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Semester Goal User must only input destination Node Number Use actual GPS data Node-Node navigation Not turn-by-turn Warn user if off track Some voice output Input confirmation, off track warning, current location Assume user within our map coverage area Have EVERYTHING integrated and working together
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Current State GPS Receiver functioning Updating continuously Updated GUI User off track functionality Determination of current node Voice output GPS coordinates collected
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Gantt Chart
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Project Partner Meeting Updated on current status Believes that we are on track Discussed semester goal
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Demo – Shortest Path
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Demo - Software
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Questions, Comments, Suggestions
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