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Engineering design process power point


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This is an activity to help students learn the design process.

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Engineering design process power point

  3. 3. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>PROBLEM DESCRIPTION: </li></ul><ul><ul><li>The need for bicycle transportation is becoming increasingly important due to the sharp increases in the cost of fuel. </li></ul></ul><ul><ul><li>Owners of bicycles are using these alternative forms of transportation for everyday transportation. </li></ul></ul><ul><ul><li>Often owners are carrying large loads of books for school and work, groceries, and other personal items (i.e. ipods, laptops, etc.) </li></ul></ul>
  4. 4. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Mission </li></ul><ul><ul><ul><li>Design a Bicycle Trailer to meet identified needs and specified requirements </li></ul></ul></ul><ul><ul><ul><li>Identify all major components and suggest more detailed design considerations (materials, size, etc.) </li></ul></ul></ul><ul><ul><ul><li>Identify important/critical design components (Safety!) </li></ul></ul></ul><ul><ul><ul><li>Specify your completed design costs, limits, features, etc. </li></ul></ul></ul>
  5. 5. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>OPEN REQUIREMENTS </li></ul><ul><ul><ul><li>Trailer must hitch to most bicycle frames in a simple and secure fashion </li></ul></ul></ul><ul><ul><ul><li>Trailer should be able to safely accommodate one or two small children and/or pets </li></ul></ul></ul><ul><ul><ul><li>Trailer should provide passengers with protection from sun, wind, airborne debris, and other elements </li></ul></ul></ul><ul><ul><ul><li>Trailer passengers should be secured in positions </li></ul></ul></ul><ul><ul><ul><li>Trailer should maximize use of economical and light weight materials </li></ul></ul></ul><ul><ul><ul><li>Trailer should be aesthetically pleasing </li></ul></ul></ul>
  6. 6. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Features to Consider </li></ul><ul><ul><li>Seating Options </li></ul></ul><ul><ul><li>Conversion Capabilities (can it be pushed by hand?) </li></ul></ul><ul><ul><li>Assembly and Disassembly </li></ul></ul><ul><ul><li>Storage </li></ul></ul><ul><ul><li>Luxury Design Features (windows, plush interior) </li></ul></ul>
  7. 7. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Structure </li></ul><ul><ul><li>Materials (Strength vs. Weight) </li></ul></ul><ul><ul><li>Fabric(s) </li></ul></ul><ul><ul><li>Hitch (Fasteners) </li></ul></ul><ul><ul><li>Organization </li></ul></ul>
  8. 8. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>SAFETY EQUIPMENT CONSIDERATIONS </li></ul><ul><ul><li>Restraints (Seatbelts) </li></ul></ul><ul><ul><li>Limitations for Trailer Use (Riding Conditions, Road Surfaces) </li></ul></ul><ul><ul><li>Warning Labels Internally (Clear, Visible) </li></ul></ul><ul><ul><li>Reflective Materials Externally (Visible) </li></ul></ul><ul><ul><li>Safety Flags </li></ul></ul><ul><ul><li>Wheel Reflectors </li></ul></ul>
  9. 9. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Performance Considerations </li></ul><ul><ul><li>Will it tip during a abrupt turn at a 90 O angle? </li></ul></ul><ul><ul><li>What is the operational speed limit? </li></ul></ul><ul><ul><li>Does the attachment system provide ease and speed of use? </li></ul></ul><ul><ul><li>How do the materials withstand the elements? </li></ul></ul><ul><ul><li>In the case of an impact (accident), what safety capabilities will be implemented? </li></ul></ul><ul><ul><li>What is the level of visibility (day/night)? </li></ul></ul><ul><ul><li>Does your design require helmet use? </li></ul></ul>
  10. 10. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Warnings and Labels to Consider: </li></ul><ul><ul><ul><li>Maximum weight capacity </li></ul></ul></ul><ul><ul><ul><li>Connection Warnings (i.e. electrical systems) </li></ul></ul></ul><ul><ul><ul><li>Helmet Use </li></ul></ul></ul><ul><ul><ul><li>Use of Restraints </li></ul></ul></ul><ul><ul><ul><li>Braking Warnings </li></ul></ul></ul><ul><ul><ul><li>Assembly Instructions </li></ul></ul></ul><ul><ul><ul><li>Speed Limitations </li></ul></ul></ul><ul><ul><ul><li>Highway Driving </li></ul></ul></ul><ul><ul><ul><li>What warning labels will you include?? </li></ul></ul></ul>
  11. 11. UNDERSTANDING THE ENGINEERING PROCESS <ul><li>Your team of engineers has been selected to design a bicycle trailer. Your project proposal should include the following components: </li></ul><ul><ul><li>The specifications of your design </li></ul></ul><ul><ul><ul><li>Safety Features, Design Features, Materials </li></ul></ul></ul><ul><ul><li>The appearance of your completed trailer </li></ul></ul><ul><ul><ul><li>Drawing, Painting, Computer Generated Design </li></ul></ul></ul><ul><ul><ul><li>Best of luck design teams! </li></ul></ul></ul>