Hello,
the easiest way is to add a new emission class name in
utils/emissions/HelpersHBEFA3.cpp::450
and to add the corresponding calibration parameters for all emission types
in HelpersHBEFA3::myFunctionParameter

To get your own model into SUMO you need to write a class that inherits
from PollutantsInterface::Helper and than include it in
PollutantsInterface::myHelpers
Please consider contributing your extension (
https://sumo.dlr.de/docs/FAQ.html#how_do_code_contributions_work)

regards,
Jakob

Am Mo., 27. Jan. 2020 um 17:41 Uhr schrieb Nicholas Yuan <
[email protected]>:

> Dear all,
>
> I am interested in estimating emissions for U.S. vehicles.  Thus, I am
> looking for advice on the following questions:
>
> Is there a way to re-calibrate SUMO's emission model, for example for a
> U.S. Tier 3 light duty gasoline vehicle?  Specifically,  SUMO estimates
> emissions based on this function:
> 𝑐0 +𝑐1𝑣𝑎+𝑐2𝑣𝑎2 +𝑐3𝑣+𝑐4𝑣2 +𝑐5𝑣3
> If I am able to calibrate c0 to c5 based on a U.S. Tier 3 light duty
> gasoline vehicle, how do I incorporate the new parameters to SUMO?
>
> Is there a way to introduce my own emission model to SUMO?
>
>
> Thank you very much!
>
> Best regards,
> Nicholas
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