2009 Annual SWE Team Tech Presentation


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This is the presentation given by ISU SWE Team Tech at the 2009 Annual SWE convention.

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2009 Annual SWE Team Tech Presentation

  1. 1. Dynamic Window Design<br />Iowa State University and Pella Corporation<br />
  2. 2. Team Members<br />Project Manager<br />Carol Faulhaber, ABE<br />Assistant Project Managers<br />IshaLabhasetwar, ChemE<br />WilTushaus, EE<br />Team Members<br />Ashley Polkinghorn, CprE<br />Rachel McDaniel, ABE<br />Leah Merner, ME<br />Lisa Nielsen, Mat.E<br />Steve Mueller, Comp. Sci.<br />
  3. 3. Overview<br />Project Description<br />Industrial Collaboration<br />Team Collaboration<br />Design Process<br />Timeline <br />Budget<br />Challenges<br />Successes <br />Future Work<br />
  4. 4. Project Description<br />Industrial Partner: <br /> Pella Corporation<br />Project Scope: <br /> Develop R10 window using Smart Sash 3 as baseline design<br />Team Adviser:<br /> Dr. Lie Tang, ABE<br />
  5. 5. Heat Transfer Review<br />Radiation:<br />Solar Heat Transfer<br />Conduction:<br />Temperature Difference<br />Convection:<br />Transfer due to wind<br />Source: http://www.reliant.com<br />
  6. 6. Industrial Collaboration with Pella Corp.<br />Plant Visits<br />Lab Tour and Project Briefing<br />Manufacturing Tour<br />Semi-monthly Meetings<br />Progress Updates<br />Brainstorming Sessions<br />Windows 101<br />Basic window engineering concepts<br />Introduction to modeling software<br />Design Reviews<br />
  7. 7. Team Collaboration<br />Weekly Large Group Meetings<br />Weekly Subgroup Meetings<br />Weekly Management Meetings<br />Google Groups Page and email communication<br />Socials<br />
  8. 8. Design Process<br />Define Criteria and Constraints<br />Initial Design Selection and Review<br />Final Design Selection<br />Modifications<br />Development<br />Testing<br />
  9. 9. Design Process<br />Initial Subgroups<br />Testing and Market Research<br />Sensor Design<br />Window Materials<br />Final Subgroups<br /><ul><li>Window Materials
  10. 10. Programming
  11. 11. Sensors
  12. 12. Algorithm Development</li></li></ul><li>Criteria and Constraints<br />Window Cost<br />Number of Components<br />Production Cost<br />Energy Efficiency<br />Environmental Impact<br />Thermal Performance<br />Appearance<br />Aesthetically pleasing<br />Viewable Area<br />Large viewable area<br />Function/Durability<br />Easy to Operate<br />Durability<br />Serviceability<br />
  13. 13. Materials Market Research<br />Window Blinds<br />Silhouette<br />Luminette<br />Alouette<br />Odysee<br />Aluminum<br />Wood<br />Frame Materials<br /><ul><li>Bamboo
  14. 14. Fiberglass Clad
  15. 15. Pulverized PVC and wood pulp
  16. 16. Vinyl-wood clad</li></ul>Insulation<br /><ul><li>Soy-based spray foam
  17. 17. Hard foam sheets
  18. 18. Jean Insulation</li></li></ul><li>Materials Cont’d<br />
  19. 19. Materials Design Selection<br />Bamboo/Fiberglass Clad Frame<br />Bamboo Blinds with Low-E Silver Coating<br />Hard Foam Sheets<br />
  20. 20. Algorithm/Programming Research<br />Complex Algorithm<br />Location Coordinates<br />Window Orientation<br />Additional User Inputs<br />Simple Algorithm<br />Temperature<br />Light Intensity<br />Sources: www.efficientwindows.org and www.physicalgeometry.net<br />
  21. 21. Algorithm/Programming Design Selection<br />Day<br />Override?<br />Scan<br />No<br />Night now?<br />Yes<br />Sleep<br />Turn Blinds<br />No<br />Yes<br />Night<br />Override?<br />No<br />Sleep overnight<br />Close Blinds<br />Sleep<br />Yes<br />Morning<br />No<br />Yes<br />Override?<br />Sleep<br />Sun up?<br />Yes<br />No<br />Turn Blinds<br />
  22. 22. Hardware Market Research<br />
  23. 23. Hardware Design Selection<br />ArduinoDuemilanove<br />ShenanoKenshi Stepper Motor<br />Photoresistor<br />2 Temperature Sensors<br />Stepper Motor<br />Driver<br />ArduinoDuemilanove<br />Override Bin<br />
  24. 24. Timeline<br />Establish Design Criteria: Objectives met<br />Research/Brainstorm Ideas: Objectives met<br />Analyze Alternatives: Objectives met/ Changes in project goals<br />Develop Prototype: Some objectives met, changes in project goals<br />Test Design: Objectives not completed<br />Re-Design: Some Objectives met<br />Evaluate Final Design: Objectives not completed<br />
  25. 25. Budget<br />Savings: $2,003<br />
  26. 26. Overcoming Challenges<br />Complexity of project scope<br />Members leaving the team or not anticipating the workload <br />Components failing to ship on time and communication with vendors<br />Limited experience with stepper motors<br />Centralized documentation<br /><ul><li>Re-focusing and Developing new subgroups
  27. 27. Follow-up emails and phone calls with vendors
  28. 28. Sought advice from electronics shop at Iowa State University
  29. 29. Emailing updated code copies to relevant team members and adding documents to google groups page</li></li></ul><li>Successes<br />Prototype that incorporates selected materials<br />Team communication and collaboration with Pella<br />Understanding of individual hardware components and ability to operate individual components<br />Complete algorithm design and partial implementation<br />
  30. 30. Future Work<br />Integrate hardware components with implemented software<br />Component testing<br />Identification of critical operating parameters<br />
  31. 31. Thank You<br />Special Thanks<br />Pella Corporation<br />Dr. Lie Tang, Iowa State University (ABE)<br />Dr. David Grewell, Iowa State University (ABE)<br />Lee Harker, Iowa State University (ECpE)<br />SWE!<br />
  32. 32. Questions???<br />