Hey Jakob,
Thanks for your reply.
I had seen those web pages and thanks for mentioning them. I am mainly looking
at how these parameter need to be set for a specific scenario. For example a
nervous person, may have longer reaction time so Tau in Krauss should be higher
(but how much?). similarly T in IDM can be smaller but how much?
I have found a few papers that discussed these in short, and they are good for
start, but in the meantime if anybody in the forum has seen a good paper
specifically simulated by SUMO, I appreciate that if they can share it .
Thanks once again
BestMohsen
On Thursday, April 19, 2018, 10:29:33 PM GMT+12, Jakob Erdmann
<[email protected]> wrote:
Hello,
the parameters are described here:
http://sumo.dlr.de/wiki/Definition_of_Vehicles,_Vehicle_Types,_and_Routes#Car-Following_Models
http://sumo.dlr.de/wiki/Car-Following-Models
There is at the moment no 'nervousness' value in any of the models and they
were not really designed at a level of detail that captures emotional states.
The parameters of the Krauss-model were intended to be as few as possible and
still reproduce some expected aspects of traffic flow (jamming, density-flow
relationship, etc).
That being said, some aspects of emotional states can probably by modeled by
setting the appropriate parameter values (i.e. aggressive braking and
acceleration or cautious distance keeping: (accel, decel, tau))
regards,
Jakob
2018-04-18 13:47 GMT+02:00 mohsen hs <[email protected]>:
Dear SUMO user,
I would like to model the traffic based on the driver's behaviors and I need to
have a good understanding of the related parameters and the way they interact.
For example, a model which defines the Tau value based on the driver
imperfection. Another concept is that how Tau changes based on the nervousness
value in each model (Kruass, PWagner2009, ...). How Tau and imperfection affect
the deceleration and acceleration? I am looking for answering these questions
is my model? I know the SUMO uses Krauss as the default car-following model,
but could not find something that can help me understand how these values need
to be changed based on the driver mental/psychological mode.
I was wondering if somebody could refer me to a starting point.
Many thanks
Mohsen
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