You are correct in your understanding of the source code. IDM as implemented in SUMO is deterministic. You can add noise using the driverState device though: https://sumo.dlr.de/docs/Driver_State.html
regards, Jakob Am Mi., 5. Feb. 2020 um 16:29 Uhr schrieb lourens <[email protected]>: > Hi, > > I would like model somewhat realistic inner-city traffic. > For this prupose I would like to know if driver imperfection is supported > by > IDM. > > Although it is mentioned to be supported here > < > https://sumo.dlr.de/docs/Definition_of_Vehicles,_Vehicle_Types,_and_Routes.html#car-following_model_parameters> > > . > Upon first glance of the code (MSCFModel_IDM.cpp) and my own experiments, > the IDM vehicles seem to behave deterministic. > > Do I oversee something and is the sigma parameter actually used in IDM ? > > *My simulation settings* > - SUMO version 1.0.1 > - "--step-length", "0.5" > - 'vType carFollowModel="IDM" id="passenger_IDM" accel="0.8" decel="4.5" > maxSpeed="13.8" minGap="2.0" sigma="0.5"' guiShape="passenger" length="5" ) > > Thanks in advance for your help, > > Lourens > > > > > -- > Sent from: http://sumo-user-mailing-list.90755.n8.nabble.com/ > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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