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Evaluating Vehicle Response Through Non-Traditional Pedestrian Automatic Emergency Braking Scenarios
Technical Paper
2024-01-1975
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Pedestrian Automatic Emergency Braking (P-AEB) is a technology designed to avoid or reduce the severity of vehicle to pedestrian collisions. This technology is currently assessed and evaluated via EuroNCAP and similar procedures in which a pedestrian test target is crossing the road, walking alongside the road, or stationary in the forward vehicle travel path. While these assessment methods serve the purpose of providing cross-comparison of technology performance in a standardized set of scenarios, there are many scenarios which could occur which are not considered or studied. By identifying and performing non-EuroNCAP, non-standardized scenarios using similar methodology, the robustness of P-AEB systems can be analyzed. These scenarios help identify areas of further development and consideration for future testing programs. Three scenarios were considered as a part of this work: straight line approach, curved path approach, and parking lot testing. Exemplar tests were performed for each scenario using a test vehicle. Straight line approach testing is directly related to standardized test scenarios and is a useful basis to evaluate a vehicle’s performance against other testing facilities results. Curved path braking adds the complicating factors of a steering input and a target path not perpendicular to the vehicle travel path during most of the approach. Finally, parking lot testing adds visual and radar clutter and a dense environmental background to traditional straight line approach testing scenarios. While there are many more tests which could be performed to further evaluate the behavior of the P-AEB system, these three scenarios provide useful insights into vehicle behavior including alert and braking onset timing, scenario specific challenges, and more.
Authors
Citation
Bartholomew, M., Helber, N., Heydinger, G., and Zagorski, S., "Evaluating Vehicle Response Through Non-Traditional Pedestrian Automatic Emergency Braking Scenarios," SAE Technical Paper 2024-01-1975, 2024.Also In
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