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P10057 – Cigarette Smoking Machine D

This document outlines the progress of the Cigarette Smoking Machine project, featuring contributions from project manager Ryan Miller and lead engineers Chris Oxley and Ryan Enyeart. It includes an overview of the House of Quality, system design, project schedule revisions, and risk assessments. Key components discussed include user inputs, temperature and pressure sensing, data storage solutions, and concept selections for various parts of the device. The document addresses known user needs, deliverables, and specifications, as well as uncertainties related to materials and manufacturing processes.

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P10057 – Cigarette Smoking Machine D

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  1. P10057 – Cigarette Smoking Machine D Friday, January 8, 2010 Ryan Miller – Me, project manager Chris Oxley – ee, lead engineer Ryan Enyeart – me, system engineer Alex Manley – ee, system engineer

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

  6. Concept Selection – Airflow Path

  7. Concept Selection – Chest Volume Device

  8. Concept Selection – Handpiece

  9. Concept Reduction – Handpiece

  10. Concept Selection – Packaging

  11. Concept Selection – Storage

  12. Concept Selection – Power Supply

  13. Concept Selection – Device Activation

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

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

  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?

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