The Engineering Design Process

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Presentation transcript:

The Engineering Design Process Presentation 2.1.1

NASA Design Process Model

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

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

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

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

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

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

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

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

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

Share your Design Work