Re: [sumo-user] Query regarding sumo behavior with lanechangemode and se

[Jakob Erdmann <namdre.sumo@xxxxxxxxxxxxxx>]

Hello,

- laneChangeMode 0 also disables security checks. To disable all autonomous changing but still handle safety checks in the simulation, use either one of the modes 256 (collision avoidance) or 512 (collision avoidance and safety-gap enforcement).

- By default there may only be one vehicle per lane with longitudinal overlap. To achieve vehicles driving in parallel on the same lane without collisions (i.e. because the lanes are wide enough to accommodate two vehicles) requires usage of the sublane model (http://sumo.dlr.de/wiki/Simulation/SublaneModel)

- regarding 1): This sounds strange but I would need to see your code to determine the cause of this behavior

- regarding 2): Switching positions should not happen if the vehicles are already driving side by side. Please send me a minimum scenario that demonstrates this behavior

regards,

Jakob

2017-11-01 13:27 GMT+01:00 Pranav Sharma via sumo-user <sumo-user@xxxxxxxxxxxxxxxxxxxxx>:

Dear Sir/Madam

I am a student doing my master thesis on reinforcement learning with SUMO.
I have been developing on SUMO for quite a few time. I have set
setSpeedMode to 6 to regard the max acceleration and deceleration for the
vehicle. And laneChangeMode to 0 to disregard any lane changes done
automatically by SUMO. However, I am troubled with two cases. Following are
the problems I am facing:
1)  If I try to decelerate on every time step. The vehicle is still able to
gather some velocity every other step.
2) I am trying to make a lateral collision in which no actual collision
happens laterally just that I see if traci doesn't allow me to change the
lane then it is collision. But with above conditions, my vehicle basically
switches position with other lateral vehicles. I wish to disable this
behavior.

I would highly appreciate any feedback you could provide.


--
Best Regards
Pranav Sharma
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