Automated vehicles equipped with adaptive cruise control systems (ACC-AVs) are prevalent and the ensuing issue is the feasibility of ACC-AVs’ operation on the roads. This study investigates the feasibility of road horizontal curve designs for ACC-AVs from a vehicle dynamics perspective. Following the scenario generation framework, we created and tested several scenarios featuring horizontal geometric elements and design speeds, conducting a safety evaluation based on the critical adhesion coefficient, lateral acceleration, lateral-load transfer rate, together with driving comfort indicators. Results indicate that ACC-AV can navigate on road curves designed with a common minimum radius () effectively at speeds over , comparable to conventional vehicles. However, both and limited minimum radius () designs show limitations. Additionally, the feasible radius ranges for ACC-AV reveal the capability to safely handle sharper curves and maintain higher speeds, suggesting potential for adaptable road design in complex environments. Finally, minimum radius ranges were summarized for ACC-AV safe and comfortable operation on road curves, unveiling the potential risks and reminding designers in curve design controls for ACC-AVs.
Road Geometry Feasibility for Automated Vehicles with ACC Systems: Vehicle Dynamics on Curved Roads
J. Transp. Eng., Part A: Systems
2024-10-01
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Safer roads with automated vehicles?
TIBKAT | 2018
|Europäisches Patentamt | 2022
|NTIS | 1972
Lane-Changing Trajectory Planning Model for Automated Vehicles Driving on a Curved Road
Transportation Research Record | 2022
|