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Robotics Intensive: Day 5

Robotics Intensive: Day 5. Gui Cavalcanti 1/17/2012. Class Goals. The “Science” of Making Decisions Review task worksheets Work on design. Decision Matrices. Decision Matrices.

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Robotics Intensive: Day 5

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  1. Robotics Intensive:Day 5 GuiCavalcanti 1/17/2012

  2. Class Goals • The “Science” of Making Decisions • Review task worksheets • Work on design

  3. Decision Matrices

  4. Decision Matrices • A tool used to attempt to quantify a major design decision with no easy answer and lots of pertinent details to weigh • Attempt to give many design options equal chances, however vocal individual proponents may be

  5. Decision Matrices

  6. Decision Matrices

  7. Drawbacks • Sometimes easily manipulated • Only as accurate as your expectations • Designs must all be equally developed

  8. Today’s Tasks

  9. Conceptual Design • Conceptual design: what are the big ideas? What can we set in stone? • By the start of next class, each team must have the following done: • Mission profiles • Expected robot dimensions and weight • Gross component placement • All major components selected • Mechanical, electrical, sensors

  10. Mission Profile • What: Representative average description of everything the robot does between ‘off’ periods • Why: To lay the groundwork for generating power system requirements • How: Ask yourself questions • What will the robot do between charges? • How long will these actions take? • What could go wrong to delay the robot?

  11. Mission Profile – Vending Machine • Drive full circle around the space with no customers (30 min) • Pause, keep vending (2.5 hrs) • Drive around space, stop halfway (15 min) • Wait for 3 customers (10 min) • Keep driving (10 min) • Encounter obstacle, pause (5 min) • Go back home the long way (15 min) • Pause, keep vending (2.5 hrs)

  12. Task Worksheets

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