image/svg+xml Driver Real-Time Interaction ddddddddddddddddddddddd Time Sequence diagram https://www.youtube.com/watch?v=IaQHoJSTTuE Reciprocal action or influence From Oxford dictionary System 1 System 2 Definitions From Cambridge dictionary Communicated, ​shown, ​presented, etc. at the same ​time as ​events ​actually ​happen From Wikipedia A real-time system has been described as one which "controls an environment by receiving data, processing them, and returning the results sufficiently quickly to affect the environment at that time" is relative to the considered events Real-time systems have to meet deadlines!How fast the system should respond depends on the considered situation A real-time system maintains a continuous and timely interaction with its environment Example: Stopping a car Driver Environment Reaction Time (RT) Braking Time (RT) Obstacle appears Car is stopped SD = RD + BDSD < ODRD = v * RTBD = v2 / aWhat is the minimum RT in town? (v < 50km/h; OD > 10m, a=14) In cognitive systems In vivo In silico Individual behavior Group coordination Head stabilization https://www.youtube.com/watch?v=0cOhnWYwdzI V-formation in bird groups https://www.youtube.com/watch?v=fKkzqk3RMLc Not real-time Real-time https://www.youtube.com/watch?v=VTlV0Y5yAww https://www.youtube.com/watch?v=cNZPRsrwumQ Self-organization in robotic swarms https://www.youtube.com/watch?v=GnyDAuqorGo Minimal examples Braitenberg, V. (1986). Vehicles: Experiments in synthetic psychology. MIT press. "Vehicles" are quite simple cognitive systems Fear and aggression Love
1
  1. RTI
  2. underline
  3. underline
  4. underline
  5. underline
  6. underline
  7. turn_taking
  8. RTI2
  9. RT
  10. RT def1
  11. RT def2
  12. RT rel
  13. RT deadlines
  14. RTI3
  15. Car stopping
  16. car_eqs
  17. in_cognitive_systems
  18. vivo_silico
  19. in_vivo
  20. chicken
  21. chicken_explanation
  22. group_coordination
  23. in_silico
  24. asimo_bigdog
  25. control
  26. swarm
  27. cognitive_back
  28. minimal_examples
  29. vehicles
  30. fear_aggression
  31. love
  32. vehicle_complex