Travel over carpet 1 Different surface heights Robot tested on carpet Travel over tile 0 Different textures Robot tested on tile Table 9. Company Constraints Criteria Company Constraints Criteria Customer Metric Target Basis Verification Priority Compatibility with CL900 tablet Intel 2.1mm barrel power jack Yes Tablet to interface and charge Manufacturing High Table 10. Testing & Documentation Criteria Testing Criteria Customer Metric Target Basis Verification Priority Testing the design Intel Number of tests < 10.0 To refine the design Full test run w/o any issues High Robots ability to interface with charging station Inches off from ideal position 1 Robot may not enter charging station correctly Test robot entering charging station Table 11. Maintenance Criteria Maintenance Criteria Customer Metric Target Basis Verification Priority Use common tools User/Intel # of tools required < 3.0 Component replacement process Design stages Medium Accessible components # of components to maintain 3 Table 12. Size & Shape Criteria Size & Shape Criteria Customer Metric Target Basis Verification Priority Ground Clearance Intel Inch 1.5 Accommodate for all ground surfaces Design stages Low Robot width 12 Stability/ accommodate for components Robot length 12 Height of robot 16 Table 13. Aesthetics Criteria Aesthetics Criteria Customer Metric Target Basis Verification Priority Attractive General public Yes/No Should be visually appealing design attracts attention Provide a survey Low Table 14. Materials Criteria Materials Criteria Customer Metric Target Basis Verification Priority Light weight User/Intel lbs < 10.0 If batteries die, one must manually move robot Weigh / design analysis Low Semi-disposable % Recyclable > 75.0 Environmentally responsible Design
Tablet Holder Figure 36.Robot: Tablet holder- bottom spacer Figure 37. Robot: Tablet holder- charger base Figure 38. Robot: Tablet holder- left guide Figure 39. Robot: Tablet holder- right guide Figure 40. Robot: Tablet holder- tablet slide Figure 41. Robot: Tablet holder- tablet spacer Appendix E. Bill of Materials Table 16. Bill of Materials Item Part number Description Manufacturer Cost (not incl S&H) Unit Total Unit Cost 1 6468002 TENERGY 7.2V RC Car Battery Fry's Electronics $24.99 EA 1 $24.99 2 1445 67:1, 6mm shaft, Metal Gear motor Pololu $39.95 EA 2 $79.90 3 1439 Pololu Wheel 90x10mm Pair - Black Pololu $9.95 PK 1 $9.95 4 713 TB6612FNG Dual Motor Driver Pololu $8.45 EA 1 $8.45 5 2184 Servo Extension Cable 12" Male - Female Pololu $2.49 EA 6 $14.94 6 5864493 FUSE BLOCK Fry's Electronics $1.79 EA 1 $1.79 7 GMA_5x_2A GMA 2A 250v Fast Blow Fuses Amazon $3.99 PK 1 $3.99 8 1945892 SLIDE SWITCH DPDT ON/ON Fry's Electronics $0.99 EA 2 $1.98 9 955 Ball Caster with 3/4" Metal Ball Pololu $4.99 EA 1 $4.99 10 B001RNFQK8 Male 2.1mm Plug Pigtail Amazon $9.99 EA 1 $9.99 11 B001RNHQ3S Female 2.1mm Plug Pigtail Amazon $5.49 EA 1 $5.49 12 95947A010 Metric Aluminum Female Threaded Hex Standoff 4.5mm Hex, 14mm Length, M3 Screw Size $0.68 EA 4 $2.72 13 92005A118 Metric Pan Head Phillips Machine Screw Zinc-Plated $2.60 PK/ 100PC 1 $2.60
Steel, M3 Size, 8mm Length, .5mm Pitch 14 91166A210 DIN 125 Zinc-Plated Class 4 Steel Flat Washer M3 Screw Size, 7mm OD, Thick $1.55 PK/ 100PC 1 $1.55 15 93245A098 Metric Alloy Steel Flat Point Sckt Set Screw M3 Size, 4mm Length, .5mm Pitch $8.19 PK/ 100PC 1 $8.19 16 90576A102 Metric Zinc-Plated Steel Nylon-Insert Locknut Class 8, M3 Screw Size, .5mm Pitch, 5.5mm W, 4mm H $3.09 PK/ 100PC 1 $3.09 17 None Wheel hubs PSU Machine Shop $0.00 EA 2 $0.00 18 None 3D printer parts Intel $0.00 EA 25 $0.00 19 None Sheet metal parts Eagle Precision $0.00 EA 2 $0.00 20 702 IR Sensor Pololu $49.95 EA 1 $49.95 TOTAL: $234.56