Case Study: Automotive Powertrain Modeling and Simulation Based on AMESim (SAE 2007-01-3464)

An SAE technical paper by Sun, Wei, Shao, and Pei (Nanjing University of Aeronautics and Astronautics), presented at the Asia Pacific Automotive Engineering Conference (2007), documents building and validating a dynamic automotive powertrain model in AMESim.

Validation result

The powertrain model's behavior showed good agreement with testbed acquisitions across a large number of engine steady-state operating points, and also under transient operating conditions — i.e., the model wasn't just tuned to match steady-state dyno points but held up under dynamic/transient testing too, which is the harder validation bar.

The modeling approach that made this transferable

A specific, practically useful point from the paper: the model was built to preserve the "generic nature" of the modeling approach, meaning the same modeling technique/structure could be adapted to different vehicles with only a minimal amount of additional bench testing to re-identify parameters for the new vehicle. This is a genuinely useful architectural lesson for anyone building a powertrain model library in Amesim intended for reuse across a vehicle platform family — invest in a generic, parameterizable topology up front rather than a bespoke model per vehicle, so that adapting to a new variant is a parameter-identification exercise rather than a rebuild.

Stated application scope

The paper positions the resulting model/technique as well suited for: dynamic behavior analysis, prediction, powertrain design work, and parameter-matching optimization — i.e., not just a simulation for its own sake but explicitly built as an optimization-ready model.

Source: Automotive Powertrain Modeling and Simulation Based on AMESim – SAE Mobilus