[자율주행 스터디] Introduction to Self-Driving cars - Week 3-1

Week 3 - Safety Assurance for Autonomous Vehicles

Course info.

• https://www.coursera.org/learn/intro-self-driving-cars?
  • UNIVERSITY OF TORONTO

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Lesson 1 : Safety Assurance for Self-Driving Vehicles

Contents

• Autonomous driving crashes
• Formal definitions
• Major haard sources
• Safety requirements

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Exmaples of Automated Vehicle Crashes

• Google Waymo (Rear bus)

• Uber

• GM Cruise

• Uber 2018

• Uber Crash: Multiple Things Gone Wrong

  • No real time checks on safety drivers
  • After the woman was detected on the road (6 sec before)
    • First classified as unknown object
    • Then misclassified as a vehicle
    • Then a bicycle
  • 1.3 sec before, Volvo system tried to do emergency braking maneuver

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Basic Safety Terms

• Harm : Physical harm to a living thing
• Safety - Abscence of unreasonable risk of harm
• Hazard - Potential source of unreasonable risk of harm

Major Hazard Sources

• Mechanical
• Electrical
• Hardware (computing hardware chip)
• Software
• Sensors
• Behavioral
• Fallback
• Cyber (해킹 같은거)

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NHTSA : Safety Framework

• System engineering approach to safety
• Autonomy Design
• Testing and crash mitigation

NHTSA : Autonomy Design

• ODD (operational design domain)
• OEDR (object and event detection and response)
• Fallback
• Traffic laws
• Cyber security
• HMI (Human Machine Interface)

NHTSA : Testing and Crash Mitigation

• Testing (simulation, close track testing, public road driving)
• Crashworthiness
• Post crash
• Data recording
• Consumer education