Real-Time Gasoline Engine Model:
- Open MATLAB®/Simulink® model
- Real-time simulation and offline simulation
- Mean-value engine model with combustion torque modulation
Gasoline Engine Model Characteristics
The actual physical engine characteristics are represented by a mean-value engine model with crank-angle-based torque generation, dynamic manifold pressure, and temperature calculation. The fuel system can simulate common-rail systems from different high-pressure pump suppliers as well as direct and manifold injection. Two combustion models are available, for homogenous and stratified modes. As in a real ECU, the torque-based soft ECU provides strategy functions for switching between the modes. To simulate the engine in an automotive system (car or truck), the engine model incorporates a longitudinal drivetrain model with manual and automatic transmission, a clutch, a torque converter, a starter, and a test bench mode. Models for the environment and driver complement the virtual powertrain.
Features at a Glance
- Up to 20-cylinder gasoline applications
- Map-based turbocharger for boost pressure calculation
- Exhaust-gas recirculation (EGR) of exhaust and fresh air with EGR cooler
- Fuel injection system: common-rail system including direct injector, intake-manifold injector, tank model
- Wall film evaporation taken into account
- Models for homogenous and stratified combustion
- Longitudinal driver for standard cycles (FTP75, NEDC, J10-15, ...)
- Vehicle and engine parameters tunable online during run time
- Easy to expand into a comprehensive virtual vehicle by adding ASM vehicle dynamics
- Custom models can be integrated
- Modular, library-based implementation
- Simulation with real ECU in hardware-in-the-loop (HIL) systems
- Fully integrated into dSPACE tool chain
- Comprehensive documentation including formulas