David Lorrain Christian Washington John West Chris Le Meggie Alleman October 25, 2012 Team...
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Transcript of David Lorrain Christian Washington John West Chris Le Meggie Alleman October 25, 2012 Team...
David Lorrain
Christian Washington
John West
Chris Le
Meggie Alleman
October 25, 2012
Team 10Advisor: Dr. Jerry Trahan
“Only 43 per cent of engineering graduates believe their university course provides them with the skills they need for work.”
Read more: http://www.theengineer.co.uk/skills-and-careers/more-than-half-of-graduates-feel-unprepared-for-work/1012488.article#ixzz29ba21tvO
Data Flow Diagram
Organization Tree
Hardware Build Options
StockModified StockCustom Build
MovementFixed OrientationFour Directional
ProcessingHigh Low
Stock Platforms
Unmodified (LEGO NXT)Already developed and supportedEasy to build withHarder to program forLess precise
ModifiedMore preciseHard to Modify
LEGO NXT Kit
Custom Build
Much more flexibleFixed/Variable orientationMultiple signal transmission protocolsExtra sensors and motors
Harder to design forMore partsMore researchMore testing
Processors
NXT (Stock)32 KB RAMFew data ports
Arduino8KB RAM
Beagleboard512MB RAMMultiple data ports
Beagleboard
Arduino MEGA 2560
Software
Image Processing Libraries
OpenCVVXL
Path Finding AlgorithmsVector DrivenPoint-to-Point
Image Processing
Generate OutlineLibraryCustom
Generate VectorsMakes pathfinding easierHough Line Detection
Processor vs Signal
Processed Image
Original Image
Concept DesignsDesign 1 Design 2 Design 3 Design 4
Hardware Stock Platform (NXT)
Modified Platform
• Custom• Low Processing• Fixed Body
• Custom• High
Processing• Fixed Body
Edge Detection OpenCV VXL OpenCV OpenCV
Image Transfer Bluetooth Wi-Fi Bluetooth/Wi-Fi Bluetooth/Wi-Fi
Bluetooth is standard for NXT More flexible library (VXL) is used for
more nonconventional design
Winning Concept Custom Hardware Fixed Body Low Processing OpenCV Bluetooth or Wi-Fi
Design 1: NXT Stock Platform
Design 2: Modified Platform
Design 3: Low Processing
Custom
Design 4: High Processing
Custom
Cost 20.64% 0.20 0.40 0.17 0.24
Size 4.59% 0.27 0.27 0.23 0.23
Precision 46.16% 0.14 0.21 0.43 0.43
Speed 6.93% 0.20 0.20 0.30 0.30
Availability 15.97% 0.27 0.18 0.27 0.27
Ease of Use 5.71% 0.29 0.25 0.25 0.22
Score 0.19 0.25 0.32 0.24
Budget EstimateComponent Quantity Cost
Arduino MEGA ADK R3 1 $65.95 Orientation Sensor 1 $32.07 Wireless Bluetooth Transmitter/Receiver 1 $22.90 Android Phone 1 $0.00 Large Motor* 2 $60.00 Small Motor* 1 $10.00 Wheels* 3 $100.00 Motor Control Circuit* 1 $30.00 Power Source* 1 $15.00 Brake System* 1 $20.00 Total - $355.92
Currently no funding Will Change Due to:
Changes in DesignLeft out Components
ScheduleID Task Name Duration Start Finish Participants
1 Researching Components 6 days 10/18/2012 10/23/2012 All members
2 Choosing Components 5 days 10/19/2012 10/23/2012 All members
3 Weekly Progress Report 10-14 to 10-20 1 day 10/21/2012 10/21/2012 All members
4 Design the Frame 7 days 10/24/2012 10/30/2012 CL, DL, CW
5 Design the Software Flowchart 7 days 10/24/2012 10/30/2012 MA, CL, JW
6 Design the Electronic System 18 days 10/24/2012 11/10/2012 All members
7 Weekly Progress Report 10-21 to 10-27 1 day 10/28/2012 10/28/2012 All members
8 PDR Rough Draft Document 11 days 10/31/2012 11/10/2012 All members
9 Weekly Progress Report 10-28 to 11-03 1 day 11/04/2012 11/04/2012 All members
10 PDR Rough Draft Presentation 7 days 11/10/2012 11/16/2012 All members
11 Weekly Progress Report 11-04 to 11-10 1 day 11/11/2012 11/11/2012 All members
12 PDR Final Document & Presentation 5 days 11/16/2012 11/20/2012 All members
13 Weekly Progress Report 11-11 to 11-17 1 day 11/18/2012 11/18/2012 All members
14 PDR Presentation 1 day 11/?/2012 11/?/2012 All members
Questions
Citations LEGO NXT
http://www.robotthoughts.com/monitor/LegoNXT.jpg
Arduino MEGA http://arduino.cc/en/uploads/Main/
ArduinoMega2560_R3_Front.jpg
Beagleboard https://dlnmh9ip6v2uc.cloudfront.net/images/products/
9/4/4/4/09444-02.jpg
360 ° Wheel http://wiki.team1640.com/images/8/88/
DB6_pivot_assembly_100204_csm_5.jpg