Re: [sumo-user] Traffic light and Vehicle Interaction

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

1. Yes. You can get a working example via https://sumo.dlr.de/extractTest.php?path=sumo/tests/sumo/devices/glosa/slowDown

See also https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#devices

2. see latest comment at https://github.com/eclipse/sumo/issues/7721

Am Do., 22. Apr. 2021 um 05:51 Uhr schrieb sjha2 <sjha2@xxxxxxxxxxxxxxxxx>:

Thank you So much. I was able to clone and build it. However I have two questions to ask:

 

1. How to activate GLOSA device for  vehicles? Do I have to put something in configuration?
2. How to pass SPAT message to GLOSA Device. Using Traci?

 

Your thoughts will be appreciated.

 

Thank you.

Regards,

Santos

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> on behalf of Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Date: Wednesday, April 21, 2021 at 2:30 PM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] Traffic light and Vehicle Interaction

That algorithm is integrated into the glosa device: https://github.com/eclipse/sumo/blob/master/src/microsim/devices/MSDevice_GLOSA.cpp

 

Am Mi., 21. Apr. 2021 um 18:29 Uhr schrieb sjha2 <sjha2@xxxxxxxxxxxxxxxxx>:

Thank you So much. I am reading the real stuff i.e.

 

https://elib.dlr.de/82952/1/aglosa_final_ieee_conversion.pdf

 

I am looking for the “GLOSA algorithm as a traci script” mentioned in the thread that you pointed at. Your help to track it will be appreciated.

 

Thank you.

Regards,

Santos

 

 

 

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> on behalf of Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Date: Wednesday, April 21, 2021 at 11:21 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] Traffic light and Vehicle Interaction

This kind of interaction is exemplified by the glosa device in the latest development version of sumo. Please refer to the commits referenced in this issue: https://github.com/eclipse/sumo/issues/7721

 

regards,

Jakob

 

Am Mi., 21. Apr. 2021 um 03:56 Uhr schrieb sjha2 <sjha2@xxxxxxxxxxxxxxxxx>:

Thank you so much for answering. I looked at the source code. While reading the code I am also trying to go through your paper ( https://elib.dlr.de/93669/1/LNCS_SUMOIntersections.pdf ). Though I need to digest it.

 

However it looks like I am still away from answer. I like to incorporate  SPAT (signal phase and timing)  message with traffic light. This information enables vehicles to adjust their speed profiles, accelerations and/or decelerations to minimize fuel consumption and carbon emissions.

 

I am not sure where to start from in Sumo. Your thoughts will be appreciated.

 

Regards,

Santos

 

 

 

 

 

From: sumo-user <sumo-user-bounces@xxxxxxxxxxx> on behalf of Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Date: Tuesday, April 20, 2021 at 11:38 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] Traffic light and Vehicle Interaction

Hello,

the junction model is spread over

https://github.com/eclipse/sumo/blob/master/src/microsim/MSLink.cpp and

https://github.com/eclipse/sumo/blob/master/src/microsim/MSVehicle.cpp

The interaction pretty simple: vehicles drive at green and stop at red. This behavior can be modified via some vType parameters: https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#junction_model_parameters

 

regards,

Jakob

 

 

Am Di., 20. Apr. 2021 um 17:17 Uhr schrieb sjha2 <sjha2@xxxxxxxxxxxxxxxxx>:

I am very new to Sumo. I am still trying to learn and digest.

 

I see documentation here ( https://sumo.dlr.de/docs/Simulation/Traffic_Lights.html ). It talks about how to configure a traffic signal.

 

However, I could not find how traffic lights and vehicles interact. Your pointer to code or documentation will be highly appreciated.

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