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Re: [sumo-user] Sudden braking due to pedestrians

Hello,
by default, pedestrians will only cross the road when it is safe to do so.
In the latest release you can re-configure pedestrians so that they walk across a red light and thus force cars to brake.
In the latest development version (https://sumo.dlr.de/docs/Downloads.php#sumo_-_latest_development_version),
you can also configure them to ignore vehicles at an uncontrolled crossing.
The relevant parameters are jmDriveAfterRedTime,jmIgnoreFoeSpeed,jmIgnoreFoeProb (https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#junction_model_parameters)

regards,
Jakob

Am Do., 11. Juni 2020 um 10:45 Uhr schrieb Ishan Dindorkar <ishandindorkar333@xxxxxxxxx>:
Dear SUMO Users Community,

I am using SUMO for creating a few scenarios, some of which may be dangerous for a driver. One of the scenarios focuses on sudden appearance of pedestrians in front of an ego vehicle and it should lead to application of emergency brakes.
Current progress achieved by me in this direction -

1. Added sidewalks so that pedestrians can walk alongside edges on which vehicles are moving
2. The road network is created by me to depict a highway and hence there is no possibility of having designated crossings or walking areas for pedestrian crossing.
3. My understanding is that due to absence of designated crossings, pedestrian can cross but vehicle will have more priority to cross any junction
4. I believed that when pedestrians will appear suddenly in front of vehicles at the intersection between consecutive edges, vehicles should apply brakes resulting in signal = 3(VEH_SIGNAL_BRAKELIGHT) in fcd output but that didn't happen.
5. Based on my understanding of the parameter - "jmCrossingGap", I tried reducing the value to 2 m so that the ego vehicle will be very close to pedestrians and that will result in emergency braking but no success.

Until now, I didn't get any success in simulation of this scenario of emergency braking due to pedestrians on a highway. I would greatly appreciate it if you can guide me in the right direction.
Looking forward to hearing from the community.

Thank you.

Sincerely,
Ishan Dindorkar



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