期刊
ACM TRANSACTIONS ON SPATIAL ALGORITHMS AND SYSTEMS
卷 6, 期 2, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3373646
关键词
Pedestrian motion; vehicle-pedestrian interaction; social force; genetic algorithm
资金
- NSF [1528489, 1446735]
- U.S. Department of Transportation [69A3551747111]
Pedestrian motion modeling in mixed traffic scenarios is crucial to the development of autonomous systems in transportation related applications. This work investigated how pedestrian motion is affected by surrounding pedestrians and vehicles, i.e., vehicle-pedestrian interaction. A social force based pedestrian motion model was proposed, in which the effect of surrounding pedestrians was improved and the effect of vehicles was newly designed. Variable constraints dependent on vehicle influence as well as nearby pedestrian density were imposed on the velocity and acceleration of the pedestrian motion. This work focuses on fundamental patterns of multi-pedestrian interaction with a low speed vehicle (front, back, and lateral interaction in open space). In other words, the application of the model is not restricted to specific scenarios such as crosswalks. Parameters of the proposed model were calibrated by the genetic algorithm (GA) based on trajectory data of the same vehicle-pedestrian interaction patterns from controlled experiments. The proposed model is able to simulate complex self-designed vehicle-pedestrian interaction scenarios. The effectiveness of the proposed model was validated by comparing the simulated trajectories with ground truth trajectories under the same initial conditions, and by evaluating the pedestrian behavior of avoiding vehicle in the simulation of self-designed scenarios.
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