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The Engineering Design Process

This presentation discusses the NASA design process model and its application to creating a device that helps individuals with rheumatoid arthritis open jars of different sizes. The presentation covers problem identification, design brief development, criteria and constraints, information gathering, brainstorming, final design selection, developmental work, prototype building, testing, evaluation, and potential redesign or refinement. The various design outputs and sharing options, such as table-top display, slide presentation, movie, or website, are also explored.

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The Engineering Design Process

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  1. The Engineering Design Process Presentation 2.1.1

  2. NASA Design Process Model

  3. Identify the Problem Example: A device is needed that would allow a person with rheumatoid arthritis to open jars with different size lids

  4. Develop a Design Brief Identify Criteria and Constraints What exactly should the device do? What should it not do?

  5. Gather Information Use a KWL chart What information must we locate? Perform the research

  6. Brainstorm Alternative Ideas All ideas are ok This begins the creative part Any format is ok. (words, sketches)

  7. Decide on the Final Design Narrow down the possibilities Decide on the best idea Justify the idea

  8. Perform Developmental Work Create sketches & formal documents. Test ideas and materials

  9. Build the Prototype Follow your plans & drawings Revise if necessary during prototyping

  10. Test and Evaluate Does it work as anticipated? Does it meet all criteria and constraints?

  11. Redesign or Refine If it works, improve it. If it doesn’t work, redesign it. What went wrong? How can we fix the problem?

  12. Share your Design Work Table-top display? Slide presentation? Movie? Web site?

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