ASM Turbocharger

Real-time turbocharger simulation on a physical basis

ASM Turbocharger simulates an exhaust gas turbocharger with variable turbine geometry (VTG) or wastegate. 

The ASM Turbocharger Model simulates an exhaust gas turbocharger that consists of a compressor, a turbine, and a turbocharger shaft. Turbochargers with variable turbine geometry (VTG) or wastegate can be simulated. The ASM Turbocharger Model is an alternative to the map-based turbocharger that is included in the gasoline and diesel engine models.

Key Benefits

The ASM Turbocharger Model provides more realistic simulation results than purely map-based models. ASM Turbocharger calculates the turbine shaft speed on a physical basis, which is required by ECUs with a turbine speed sensor. Consequently, sophisticated air path control algorithms including turbocharger control strategies can be tested.

Simulation Model Characteristics

The turbine model calculates the mass flow, the output temperature, and the resulting power output according to wastegate or VTG position. The compressor model calculates the boost pressure, the power consumption and the output temperature. The compressor and turbine are connected by a shaft, and the model provides the shaft speed.

Features at a Glance

  • Air path simulation with the precision of a physical model
  • Contains models for compressor, turbine, and turbocharger shaft
  • Simulation of single-stage or sequential two-stage turbocharger possible
  • Wastegate valve and variable turbine geometry (VTG)
  • Switching between map-based and the physical model
  • Turbocharger state calculation based on common manufacturer maps including heat loss calculation
  • Centrifugal compressor or positive displacement compressor (supercharger) simulation
  • Parameterization and model can handle data in SAE J922 format
  • An exemplary parameterization of the turbocharger is available for truck applications

  • ASM Combustion Engine Product Information, PDF, English, 6226 KB
Product Information Contact Information

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