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IEEE Intelligent Vehicles Symposium Alcala de Henares 2012

Numerical Modeling of ADA system for Vulnerable Road Users protection based on radar and vision sensing Virginia Ruiz Garate, Roy Bours, Kajetan Kietlinski

Motivation: - Strong need for protection improvements to VRU group, resulting from high injury and fatalities statistics - Predictive sensing systems: collision mitigation and optimization of conventional VRU protection - New approach to safety system design requires new development and testing techniques and tools

Goal: -Establish simulation methodology for functional development and testing of ADA systems for VRU protection

Incident Scenarios Pedestrian Lateral Collision Pedestrian Rearward Collision Cyclist Lateral Collision Normal driving 65km/h

Emergency braking

Crash

Emergency braking

Normal driving 80km/h

Crash

Normal driving 65km/h

Emergency braking

Crash

Cyclist Rearward Collision Emergency braking

Normal driving 80km/h

Crash

Sensor Fusion Radar monitoring

* Collidable objects

Collision study

Area extraction

Blob extraction

Detected objects Major risk

Final superposition

Alarm triggering 1

0 0

0.5

1

1.5

2

2.5

3

t(sec)

Results and ongoing studies for pedestrian lateral collision* Reduction of impact velocity Brake Vimp=40kph

50

Vel [kph]

Injury analysis

0

Accel [m/s2]

W1.6s

Simulation environment

-10

Conclusion and future studies: - Simulation method shows good representation of complete functionality of ADAs based on fused radar and vision - Vehicle motion control study is being extended into the effect of breaking on VRU injury risk www.tass-safe.com

*further results in the paper