Curve Speed Modeling and Factor Analysis Considering Vehicle-road Coupling Effect

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Curve Speed Modeling and Factor Analysis Considering Vehicle-road Coupling Effect

Qu, Shuaifeng / Wang, Weifeng / Wan, Jian / Gu, Zhiqiang / Yang, Junru / Chu, Duanfeng

The appropriate selection of speed in curve is the key of improving traffic safety. In this paper, rollover and sideslip in road curves induced by lateral instability due to the excessive speed, are analyzed, and the dynamic model of the vehicle during its cornering is established. With the vehicle-related factors, such as load transfer and suspension deflection, taken into consideration, a curve safety speed model considering vehicle-road coupling effect is established, using the vehicle-infrastructure cooperation technology. The critical safety speed of a car and a truck in the cornering scenario is verified by conducting the vehicle dynamics simulation software CarSim and TruckSim under different traffic conditions. The critical safety speed computed by the proposed model is in the range of the results of the typical curve speed models. Moreover, the influence of two major factors on critical speed is analyzed.

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Dokumentinformationen

Titel :

Curve Speed Modeling and Factor Analysis Considering Vehicle-road Coupling Effect

Beteiligte:

Qu, Shuaifeng (Autor:in) / Wang, Weifeng (Autor:in) / Wan, Jian (Autor:in) / Gu, Zhiqiang (Autor:in) / Yang, Junru (Autor:in) / Chu, Duanfeng (Autor:in)

Erschienen in:

2019 5th International Conference on Transportation Information and Safety (ICTIS) ; 1127-1131

Erscheinungsdatum :

2019-07-01

Format / Umfang :

221403 byte

ISBN :

978-1-7281-0489-8

DOI :

https://doi.org/10.1109/ICTIS.2019.8883696

Medientyp :

Aufsatz (Konferenz)