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Design: Solve a Problem

Design: Solve a Problem. Baliga Lab-Eric Muhs August, 2011. What is Design?. Systematic Problem Solving Balancing. Criteria:. standards with which to judge success. Constraints:. limitations on possible solutions or problems.

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Design: Solve a Problem

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  1. Design: Solve a Problem • Baliga Lab-Eric Muhs • August, 2011

  2. What is Design? Systematic Problem Solving Balancing Criteria: standards with which to judge success Constraints: limitations on possible solutions or problems

  3. For the ipod, what were possible criteria the designers were trying to meet? Constraints?

  4. Define the Problem Or Need Identify Criteria & Restraints Devise A Plan Research Brainstorm Solutions Weigh Tradeoffs Carry OutBest Approach Evaluate & Refine Test & Interpret Data Recommend Improvements Communicate Results Design: An Iterative Process

  5. Measurement Challenge Design a method to measure wind speed.

  6. Record The Following • Statement of the Problem • Identified Criteria • Identified Constraints Brainstorm As Many Solutions As Possible With Your Group

  7. Choose An Approach • Weigh tradeoffs • Build it • Calibrate it • Measure an unknown Be sure to...RECORD EACH STEP!

  8. To calibrate & then measure unknown wind speeds: • Use a standard box fan • Your teacher has measured the wind speed at 3 distances from the box fan. • Then, use your device to measure the wind speed of an unknown fan at 3 different distances • Report your measurements to your teacher, and compare them to the actual values. • Evaluate your device.

  9. Evaluate Your Results Did You Meet Your Criteria? What are the next steps?

  10. Final Thoughts: Legal Wind? World Records for certain Track & Field events are denied if the assisting tailwind exceeds +2.0 m/s during the event. Could your design be used to measure the wind speed for Track & Field events? How would your identified design criteria have to change? Tyson Gay ran the fastest 100m (9.68s) at the 2008 US Olympic Trial Finals—but was kept out of the record books by a 4.1 m/s tailwind

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