Re: [sumo-user] Emission models problem

[Michael Behrisch <oss@xxxxxxxxxxx>]

Hi Ali,
thanks for picking it up again. So here is what we currently do:
Whenever the deceleration is small enough and the speed is still above 
some threshold we assume the vehicle is coasting and set all emissions 
to 0. We essentially copied this behavior from the PHEMlight model but 
now that I think of it again I am not really sure why this is a good 
idea (i.e. why we do not use the idling emissions for a standing vehicle 
here). I just double checked and the behavior is still there in the 
newest PHEMlight so at least it is consistent. I opened a ticket here:
https://github.com/eclipse/sumo/issues/11198

Best regards,
Michael

On 14.07.22 17:07, ali mirzaei wrote:
> Hi,
> I also try that scenario with SUMO latest release (version 1.14.0) but 
> some zero values are observed again. Could you tell me what is happening?
> Best regards,
> Ali
>
>
> On Tue, Jul 5, 2022 at 3:23 PM Michael Behrisch <oss@xxxxxxxxxxx 
> <mailto:oss@xxxxxxxxxxx>> wrote:
>
>     Can you share your scenario or at least describe in more detail what is
>     happening?
>
>     Best regards,
>     Michael
>
>     Am 01.07.22 um 23:24 schrieb ali mirzaei:
>      > I installed the " https://sumo.dlr.de/daily/sumo-win64-git.msi
>     <https://sumo.dlr.de/daily/sumo-win64-git.msi>
>      > <https://sumo.dlr.de/daily/sumo-win64-git.msi
>     <https://sumo.dlr.de/daily/sumo-win64-git.msi>> " version but the
>     issues
>      > still remain.
>      >
>      > On Fri, Jul 1, 2022 at 4:48 PM Jakob Erdmann
>     <namdre.sumo@xxxxxxxxx <mailto:namdre.sumo@xxxxxxxxx>
>      > <mailto:namdre.sumo@xxxxxxxxx <mailto:namdre.sumo@xxxxxxxxx>>> wrote:
>      >
>      >     The problems are resolved but you need to use the latest
>     development
>      >     version
>     (https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots
>     <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots>
>      >     <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots
>     <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots>>)
>      >
>      >     Am Fr., 1. Juli 2022 um 13:56 Uhr schrieb ali mirzaei
>      >     <alimrz222@xxxxxxxxx <mailto:alimrz222@xxxxxxxxx>
>     <mailto:alimrz222@xxxxxxxxx <mailto:alimrz222@xxxxxxxxx>>>:
>      >
>      >         Hi,
>      >         According to
>     "https://github.com/eclipse/sumo/issues/10441
>     <https://github.com/eclipse/sumo/issues/10441>
>      >         <https://github.com/eclipse/sumo/issues/10441
>     <https://github.com/eclipse/sumo/issues/10441>>",  I want to know
>      >         if the problem of reporting zero emissions is resolved.
>     If then,
>      >         why does my simulation report zero emissions during
>     coasting or
>      >         decelerating yet?  I use SUMO's latest release (version
>     1.13.0).
>      >         Best regards,
>      >           Ali
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