On the V2X Velocity Synchronization at Unsignalized Intersections: Right Hand Priority Based System

Abstract

Autonomous cars with communication capabilities allow novel techniques for controlling intersections. In recent times, cooperative intersection management is an active research subject. Both cars and intersection are capable to communicate with the aim of enhance traffic system. Several studies have exposed that the cooperative intersection management perform better than traffic lights, for the reason that the movement of cars is adapted to the current conditions and there is no need for traffic stoppage periods as with traffic lights. This work spotlights on velocity synchronization at intersections. Furthermore, a rule-based principle is made by cars approaching from various roads. When the rate injection $(\alpha )$ is in a low level, this permits to avoid wasting time when cars stop at intersection and therefore the velocity synchronization reduce energy consumption and increases the velocity. On the other hand, investigations exposed that certain parameters require to be studied. Thus, as the traffic density increases, cars must to be stopped and velocity synchronization is not efficient. The studied concepts are limited to First In First Served (FIFS), in this paper, the right-hand priority was extended. Novel rules are capable to adjust dynamically the entire behavior in accordance with the average velocity increase in secure conditions. Results show that the proposed approach is appropriate and efficient since it allows enhancing the average vehicle velocity while retaining a high capacity of the intersection.