1. THE ENGINEERING DESIGN PROCESS Date: 5/25/11 Prepared by: Javier Kienzle, Fellow - GK12 Program Presented at: McNair Academic High School Supported by: NSF Graduate Teaching Fellow in K-12 Education Program Associated Institution: Stevens Institute of Technology - Hoboken, NJ An Introduction to Today’s Cushion Activity

5. Engineering Design Process

6. Case Study: Airbag Design Triggering Condition Triggering Condition Mechanical Spring System Tank of Compressed Gas Non-toxic Deflation Inflation Post Deployment MEMS Accelerometer Chemical Reaction: N 2

7. Today’s Cushion Activity Cushion Design  What is the design goal?  What criteria makes a good design?  Variables/Constraints: what can you work with?  What approach will you use?