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Re: [sumo-user] [EXTERNAL] Re: Collisions
  • From: Pradeep Viyaluru Harinath <pradeep.viyaluruharinath@xxxxxxxx>
  • Date: Mon, 24 Jan 2022 08:14:31 +0000
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  • Thread-topic: [sumo-user] [EXTERNAL] Re: Collisions

Appears to be my understanding is wrong, the documentation (VehicleInsertion - SUMO Documentation (dlr.de)) states the sloppy insert is preferred all the time. Not sure on the error received.

 

Regards,

V.H.Pradeep

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> On Behalf Of Pradeep Viyaluru Harinath
Sent: Monday, January 24, 2022 2:00 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] [EXTERNAL] Re: Collisions

 

I suppose the flow is so huge that the segment reaches the capacity even if we could insert the vehicle this is potentially causing the collision to take place. Let me know if my understanding is incorrect here.

 

I have another instance where the collision occurs because of the ‘stage=move’ as attached, what could be the potential reason for that

 

Regards,

V.H.Pradeep

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> On Behalf Of Pradeep Viyaluru Harinath
Sent: Monday, January 24, 2022 1:53 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] [EXTERNAL] Re: Collisions

 

This is the route file for a base scenario similar to what is being observed I have been modifying the available default attributes , to model the flow. When the flow supplied is small it performs well with the exceptions that I receive warnings however when the flow is increased say doubled collisions begin to take place due to unavailability of headways I suppose.

 

Regards,

Pradeep V.H

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> On Behalf Of Jakob Erdmann
Sent: Monday, January 24, 2022 1:45 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] [EXTERNAL] Re: Collisions

 

Please provide a minimal version of your scenario that reproduces these collisions (I'm particularly interested in  'stage=insertion').

 

Am Mo., 24. Jan. 2022 um 08:41 Uhr schrieb Pradeep Viyaluru Harinath <pradeep.viyaluruharinath@xxxxxxxx>:

I have configuration file based on XMLs , all I do with Traci is to create a loop so that it starts the sumo on command prompt and keeps running without closing.

 

Regards,

V.H.Pradeep

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> On Behalf Of Jakob Erdmann
Sent: Monday, January 24, 2022 1:38 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: [EXTERNAL] Re: [sumo-user] Collisions

 

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Are you using traci to insert / move the vehicles or can you create these collisions with XML inputs alone?

 

Am Mo., 24. Jan. 2022 um 08:22 Uhr schrieb Pradeep Viyaluru Harinath <pradeep.viyaluruharinath@xxxxxxxx>:

Hello all,

I am using a CACC model and I reduced the step size to 0.1 as advised earlier. Initially the number of teleports were low but when I started increasing the flow the vehicles started colliding eventually (as in attached) ending up teleported is there some way I can avoid this?

 

Regards,

Pradeep V.H

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