FASTSim Documentation¶

The Future Automotive Systems Technology Simulator (FASTSim) is an open-source vehicle powertrain simulation tool for evaluating the efficiency and performance of on-road vehicles. Developed by the National Laboratory of the Rockies (NLR), it provides fast, credible estimates of powertrain performance and energy consumption. FASTSim models powertrain technologies from conventional internal-combustion vehicles to hybrids, plug-in hybrids, and battery electric vehicles, and has been used to simulate light-duty passenger vehicles, two-wheelers, and a wide variety of medium- and heavy-duty vehicles.

FASTSim is designed for rapid analysis, making it practical to run many simulations and compare technology scenarios across vehicle classes and use cases. FASTSim outputs also feed other NLR tools, including:

• RouteE: an energy prediction tool and energy-aware routing engine

• T3CO: a medium- and heavy-duty vehicle total cost of ownership assessment tool

• ADOPT: a technology-driven consumer choice and vehicle market adoption model

FASTSim models conventional vehicles, hybrids, plug-in hybrids, and battery electric vehicles over a set of standard regulatory drive cycles. You can also define custom vehicles and custom drive cycles to simulate any on-road vehicle over realistic scenarios.

For information on FASTSim’s history and modeling philosophy, see the Background section.

For a collection of prebuilt vehicle models, see the FASTSim Vehicle Database.

Get Started¶

• Installation: install FASTSim and dependencies

• Getting Started: run your first simulation

• User Guide:

  • Modeling Vehicles: define and configure vehicle models

  • Drive Cycles: work with built-in and custom cycles

  • Running Simulations: execute simulations and inspect results

Learn More¶

• GitHub Repository: https://github.com/NatLabRockies/fastsim

• FASTSim Vehicle Database: https://github.com/NatLabRockies/fastsim-vehicles

• Documentation: https://natlabrockies.github.io/fastsim

• Release Notes: https://github.com/NatLabRockies/fastsim/releases

• NLR FASTSim Homepage: https://www.nlr.gov/transportation/fastsim

Contact¶

• Open a GitHub issue at https://github.com/NatLabRockies/fastsim/issues.

• Email fastsim@nlr.gov to reach the FASTSim team directly.