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Pathfinder Verification and Validation www.thunderheadeng.com Quality Assurance Process Source Code Control Continuous Integration Entire system rebuilt after every change Automated Testing Tests run automatically after every

  1. Pathfinder Verification and Validation www.thunderheadeng.com

  2. Quality Assurance Process • Source Code Control • Continuous Integration – Entire system rebuilt after every change • Automated Testing – Tests run automatically after every build – 117 test cases in 2012 – 308 test cases in 2014 • Testing Dashboard • Automated Error Reporting – Reports categorized and scheduled weekly www.thunderheadeng.com

  3. Source Control www.thunderheadeng.com

  4. www.thunderheadeng.com

  5. Automated Tests - Dashboard www.thunderheadeng.com

  6. Verification and Validation Guide www.thunderheadeng.com

  7. Error Handling www.thunderheadeng.com

  8. Verification Tests • IMO • RIMEA • NIST Tech Note 1822 • SFPE Handbook www.thunderheadeng.com

  9. Verification Tests • Locomotion • Wayfinding • Behavior www.thunderheadeng.com

  23. How do we apply this to development? www.thunderheadeng.com

  24. Pedestrian Acceleration Problems of Forensic Sciences 2012, vol. 91 Jakub Zębala, Piotr Ciępka, Adam Reza Institute of Forensic Research, Kraków, Poland www.thunderheadeng.com

  25. Walking Sprinting www.thunderheadeng.com

  26. Acceleration to Ordinary Walking, Lower Bound 1.2 1.00E+01 8.00E+00 1 6.00E+00 0.8 4.00E+00 0.6 Position Velocity 2.00E+00 Acceleration y = 0.9587x + 0.0317 Linear (Velocity) 0.4 0.00E+00 0.2 -2.00E+00 0 -4.00E+00 -0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 -0.2 -6.00E+00 www.thunderheadeng.com

  27. Hallway Experiment D1 D2 www.thunderheadeng.com

  28. Hallway Results D1 D2 t v a a/v t_accel Richard1 4.24 3.55 7.79 1.3 0.9 0.7 1.4 Richard2 4.25 3.63 7.88 1.3 1.0 0.8 1.2 Richard3 4.4 3.9 8.3 1.2 1.2 1.0 1.0 Jon1 3.81 3.61 7.42 1.3 3.2 2.5 0.4 Jon2 4.11 3.55 7.66 1.3 1.1 0.9 1.1 Brian1 3.45 3.35 6.8 1.4 6.8 5.0 0.2 Brian2 3.67 3.11 6.78 1.5 1.3 0.9 1.1 Brian3 3.23 3.13 6.36 1.5 7.3 5.0 0.2 Charlie1 4.2 3.74 7.94 1.2 1.3 1.1 0.9 Charlie2 4.38 3.81 8.19 1.2 1.1 0.9 1.1 Joe 3.97 3.7 7.67 1.2 2.3 1.9 0.5 Dan1 3.83 3.25 7.08 1.4 1.2 0.9 1.2 Dan2 3.82 3.07 6.89 1.5 1.0 0.7 1.5 Average 2.3 1.7 0.9 www.thunderheadeng.com

  29. Flow vs. Acceleration www.thunderheadeng.com

  30. Agent Acceleration • Changed default value • Exposed parameter for user input • Re-run verification problems • Update tests with new results www.thunderheadeng.com

  31. Improving Locally-Quickest Door Choice www.thunderheadeng.com

  34. Proposed Solution • Use actual door flowrates to estimate queue wait times www.thunderheadeng.com

  35. Measuring Flowrate www.thunderheadeng.com

  36. Moving Average www.thunderheadeng.com

  37. Low-Pass Filter www.thunderheadeng.com

  38. Low-Pass Filter www.thunderheadeng.com

  39. Low-Pass Filter www.thunderheadeng.com

  42. Door Choice Improvements • Use actual flowrate to calculate local queue time • Optimal flow used if no queue formed • Re-run verification problems • Update tests with new results www.thunderheadeng.com

  43. Thank You Questions? www.thunderheadeng.com

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