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UNIVERSITY OF PUERTO RICO AT HUMACO DEPARTMENT OF PHYSICS ENGINEERING GRAPHICS I

Explore the engineering design process in addressing common issues. Learn how engineers define problems, research solutions, and propose innovative designs. Join us in brainstorming creative ideas for practical engineering solutions.

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UNIVERSITY OF PUERTO RICO AT HUMACO DEPARTMENT OF PHYSICS ENGINEERING GRAPHICS I

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  1. UNIVERSITY OF PUERTO RICO AT HUMACO DEPARTMENT OF PHYSICS ENGINEERING GRAPHICS I Engineering Design Process Dr. Walter López Moreno

  2. Outline: • What is the engineering design process? • How is the design process used? • What are engineering activities? • Where can I find resources?

  3. What do Engineers Do? Stamp all the ones you think apply

  4. What do Engineers Do?

  5. What are some things engineers design? Bio-fuels Medical Equipment Transportation

  6. What are some things engineers design? Tunnels Wind Power Structures

  7. Engineering Design Processcommon to all designed items What order is typically followed? Order the steps below from 1 to 5… Define Problem or Need ResearchInvestigateGather Info AnalyzeEvaluateSolutions Propose Design Solutions Select & Test

  8. Engineering Design Process Define Problem or Need Select & Test What similar things exist? Does it work? Modify & redesign ResearchInvestigateGather Info Does solution meet need? Brainstorming Proof of concept Propose Design Solutions AnalyzeEvaluateSolutions

  9. Define Problem or Need http://nsdl.org Engineering Design Processoften common, every day issues • Issue: Hand dryers in public restrooms do not dry hands effectively. • Need solution that dries hands in an amount of time & dryness acceptable to 80% of people. • New design must cost no more than 1.5 times of current dryers.

  10. Define Problem or Need Engineering Design Processoften common, every day issues Now it’s your turn! Think about some common or not so common problems or needs you have observed Let’s take 2 minutes and generate some ideas on the chat and on the microphones

  11. Define Problem or Need Engineering Design Process What are some problems or needs that you think engineers should address?

  12. Engineering Design Process Define Problem or Need Select & Test What similar things exist? Does it work? Modify & redesign ResearchInvestigateGather Info Does solution meet need? Brainstorming Proof of concept Propose Design Solutions AnalyzeEvaluateSolutions

  13. ResearchInvestigateGather Info Engineering Design Process • Consider the hand dryer example. Engineers might: • Conduct survey/study to determine the drying time and level of dryness acceptable to 80% of people • Explore alternative methods (to forced hot air) to dry hands

  14. ResearchInvestigateGather Info Engineering Design Process Let's find out what this audience finds acceptable for hand drying time. Stamp your answer: 0 sec 2 sec 4 sec 6 sec 8 sec 10 sec 12 sec 14 sec 16 sec

  15. ResearchInvestigateGather Info Engineering Design Process Based on your ideas - here is the research & investigation that we would recommend:

  16. Select & Test Propose Design Solutions Engineering Design Process There is always more than one possible way to solve a problem …. lots of brainstorming involved. This is where really creative ideas come from. Engineers evaluate multiple design solutions to determine if and how well they meet the design criteria. AnalyzeEvaluateSolutions Per qualitative or quantitative rating system, a final design is selected. The final design is then thoroughly tested.

  17. References: http://teachengineering.org http://engineeringpathway.org

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