1. FRIDAY, JANUARY 8, 2010 RYAN MILLER – ME, PROJECT MANAGER CHRIS OXLEY – EE, LEAD ENGINEER RYAN ENYEART – ME, SYSTEM ENGINEER ALEX MANLEY – EE, SYSTEM ENGINEER P10057 – Cigarette Smoking Machine D

2. Agenda Overview House of Quality System Design Project Schedule Revisited Risk Assessment Knowns and Unknowns Q&A

3. House of Quality

4. System Level Design, P10054

5. User Input Micro SD Data Storage Micro SD Data Storage Microcontroller Battery Signal Proc. Signal Proc. Signal Proc. Signal Proc. Amp Handpiece Automated On/Off Sensor Automated On/Off Sensor Temp. Sensor Temp. Sensor Pressure Sensor Pressure Sensor DIP Belt Strain Gauge Strain Gauge Calibration User Feedback User Feedback System Level Design, v1.0 Alex Manley Ryan Enyeart Chris Oxley Ryan Miller Airflow Path Packaging

6. Concept Selection – Airflow Path Option Accuracy Cost Complexity Size Availability SUM Metal Oriface Plate (CReSS)000000 Plastic Oriface Plate-+0000 Vortex Flow Meter0-----4 Turbine Flow Meter+---0-2 Calorimetric Flow Meter+-0-0

7. Concept Selection – Chest Volume Device Option Cost Accuracy /Sensitivity Ease of Use Comfort / Interference Repeatability of Position Ease of Manufacturing/Procurement SUM Strain belt0000000 RIP belt00000- Strain belt x2-+--00-2 RIP belt x2-+--0--2

8. Concept Selection – Handpiece Option Ease of Integration Ease of Manufacturing/Procurement Tool Cost Unit Cost, 1-100 Units Unit Cost, 100+ Units SUM Rapid Prototyping / 3D Printing000000 Injection molding+0--+0 Blow molding-0--+-2 Vacuum forming++--+1

9. Concept Reduction – Handpiece Option Weight RapidPrototyping /3D Printing 3D CNCMachining InjectionMolding Vacuum /PressureForming Tool Cost 0.14312 Unit Cost, 1-10 Units 0.134312 Unit Cost, 10-100 Units 0.153412 Unit Cost, 100-1000 Units 0.11234 Unit Cost, 1000+ Units 0.051243 Part fidelity 0.051342 Lead Time, 1-10 Units 0.124312 Lead Time, 10-100 Units 0.153412 Lead Time, 100-1000 Units 0.11234 Lead Time, 1000+ Units 0.051234 Sum 1.001.61.51.11.4

10. Concept Selection – Packaging ItemOption Cost Size Weight Impact Resistance Heat Resistance Electrical Resistance Water Resistance Ease of Integration Comfort Ease of Manufacturing/Procurement SUM BoxCOTS project box00000000000 Custom plastic-+++++0+++7 Custom Sheet metal-+-+--0+0+0 Internal ProtectionCut foam surrounds-0-+++00001 Foam inserts-0-+0+00000 Brackets-0-+000-0--3 Fasteners-0-+0-0-0--4 Package SealingHigh-density foam in groove-0-++++-0-0 Neoprene sleeve-0-++++-0-0 O-Ring-0-++++-0-0 Rubber seal---+00+000

11. Concept Selection – Storage Option Cost Size Power Consumption Data Access Implimentation SUM Micro SD000000 USB0-0++1 Onboard Flash-0+---2 Compact Flash--00+

12. Concept Selection – Power Supply Option Lifetime Cost Convenience Size Ease of Use Charge Life SUM Disposable Battery000000 Rechargable Battery++0++4 AC+-0-+0

13. Concept Selection – Device Activation Option Cost Power Consumption Size Complexity Cigraette Interference Ease of Procurement SUM IR Sensor (1Hz Sample)0000000 Mini-Blade Limit Switch++0+-+3 Capacitive Proximity Switch-0-00+ Mini Punger Type Limit Switch++0+-+3 IR Proximity Switch----00-4

14. Concept Selection – To Do Microcontroller Data Structure User Feedback? INTERFACES Feasibility Studies for key areas:  Airflow Path  Microcontroller  Data Storage  Manufacturing

15. Elastic/Velcro Fixture User Input Micro SD Data Storage Micro SD Data Storage Microcontroller Rechargeable Battery Rechargeable Battery Signal Proc. Signal Proc. Signal Proc. Signal Proc. Amp Vacuum Formed Handpiece Automated On/Off Sensor Automated On/Off Sensor Temp. Sensor Temp. Sensor Pressure Sensor Pressure Sensor Single Strain DIP Belt Calibration User Feedback ??? User Feedback ??? System Level Design, v2.0 Alex Manley Ryan Enyeart Chris Oxley Ryan Miller Plastic or Metal Orifice Plate Custom Plastic Packaging with Seals

16. Project Schedule Revisited https://edge.rit.edu/content/P10057/public/MSDI_project_plan.xlsx

17. Risk Assessment https://edge.rit.edu/content/P10057/public/Risk_Assessment.xls

18. Knowns and Unknowns Known:  Deliverables schedule  Rough customer needs based on own experience  Prototype form factor  Data types and ranges  Current P10054 challenges  Faculty resources  Refinement tasks  Secondary customer contact info  Realistic customer needs  Power usage target  Realistic timeline for some schedule events  System Architecture Unknown:  Labview  Plastics modeling/manufacturing  Final prototype status at end of winter quarter (from P10054)  Sources for some parts (chest belt)  Realistic smoking behavior  Method for converting deltaP into volume flow rate  Microcontroller selection  E-Cigarette accomodations

19. Questions?