| Re: [sumo-user] Cooperative lane-changing: awareness of blocking followers |
Thank you Jakob!
I want to estimate the magnitude of a plausible look-back distance. What variable does the look-back distance correspond to and where in the code is it set, in MSLane?
For the scenario I described in my previous message, would then the look-back process only search for potential blocking followers when the vehicle merging from the entrance (edge2) has entered a lane at the common edge3 which has possible predecessor lanes on the motorway (edge1)?
Regards,
Jimmy
This part of the model is programed to be "safe". For each lane a maximum look-back distance is computed based on the longest possible brakingDistance of potential followers (using the speed of the lane, maximum speed factor seen so far in the simulaion as well as the lowest known deceleration capability).This ensure that all vehicles that could collide due to an unsafe lane change are noticed.The look-back process searches along as many lanes as necessary unil the look-back distance is exhausted (even following a tree of alternative predecessor lanes)._______________________________________________Am Do., 13. Dez. 2018 um 13:42 Uhr schrieb Jimmy Forsman <jimmeyforsman@xxxxxxxxx>:_______________________________________________Hi,
I have a question regarding cooperative lane-changing and the criteria when a vehicle becomes aware of a potential blocking follower. I read that for the lane-changing model, vehicles have knowledge about its surroundings in terms of possible conflicting vehicles approaching the same junction.
For instance, consider a situation where we have vehicles traveling on a motorway with multiple lanes (say, edge1). When a vehicle is approaching the motorway from an entrance (edge2) and is about to merge with the vehicles on the main road (at the common edge3), it is a situation which might call for cooperative lane-changing or cooperative speed reduction. What controls how far away the vehicle on the entrance becomes aware of the vehicles on the main road being potential blocking followers?
Regards,
Jimmy
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