Method for optimizing illumination of a junction region between a plurality of vehicles emitting a light beam

A vehicle comprising:

• a lighting module configured to emit a light beam;
• a computer configured to:
• estimate a location of the crossing zone and a time interval in which each vehicle is located in the crossing zone, based on a set of information comprising at least a location, a speed and a trajectory of each vehicle,
• estimate the illumination in the crossing zone at the estimated location and at each instant of the estimated time interval, based, for each vehicle, on at least one characteristic of the associated light beam;
• detect each zone of overlap in the crossing zone in which the estimated illumination corresponds to the superposition of a plurality of light beams;
• if a zone of overlap is detected:
• obtain a set of parameters comprising at least one parameter per vehicle, each parameter depending on at least one datum sent beforehand by the vehicle associated with the parameter;
• determine, by communicating with the other vehicles of the plurality of vehicles and based on the obtained set of parameters, at least one action to be carried out by a vehicle on the associated light beam so that the illumination in the zone of overlap is distributed among the plurality of vehicles in such a way as to exhibit a predefined brightness;
• if a determined action is to be carried out, carry out the determined action on the light beam emitted by the lighting module when the plurality of vehicles are located in the crossing zone.

A computer-readable recording medium including instructions which, when executed by a computer, cause the computer to:

• at least one vehicle estimate a location of the crossing zone and a time interval in which each vehicle is located in the crossing zone, based on a set of information including at least a location, a speed and a trajectory of each vehicle;
• at least one vehicle estimate the illumination in the crossing zone at the estimated location and at each instant of the estimated time interval, based, for each vehicle, on at least one characteristic of the associated light beam,
• determine if, for at least one instant of the estimated time interval, there is at least one zone of overlap in the crossing zone in which the estimated illumination corresponds to the superposition of a plurality of associated light beams:
• at least one vehicle obtain a set of parameters including at least one parameter per vehicle, each parameter depending on at least one datum sent beforehand to the vehicle by the vehicle associated with the parameter and relating to the consumption or the state of the lighting module of the vehicle associated with the parameter;
• determine, by communication between the plurality of vehicles and based on the obtained set of parameters, at least one action to be carried out by a vehicle on the associated light beam so that the illumination in the zone of overlap is distributed among the plurality of vehicles in such a way as to exhibit a predefined brightness;
• and
• the corresponding vehicle carry out each determined action when the plurality of vehicles are located in the crossing zone.