Fault Simulation

Every system in a vehicle must undergo thorough testing to ensure its reliability. This applies to the software for the ECUs (electronic control units) as well as the wiring and sensors and actuators.

If an error, such as broken wires and short circuits, occur on the electrical level, the ECU must react accordingly. To test this, fault simulation comes into play.

Types of Electrical Failures that can be simulated

  • Open circuit to simulate a broken wire or loose contact
  • Short circuit
    • To ground (KL31)
    • To power switch channels with battery voltage (KL15, KL30)
    • Between channels (Pin-to-pin)
    • Pulsed switching to simulate “loose contacts or relay contact bouncing”
    • Load or signal disconnection
  • Switching multiple electrical failures

Working with dSPACE Fault Simulation

  • Configuration of the hardware with dSPACE ConfigurationDesk
  • Test instrumentation and visualization via dSPACE ControlDesk
  • Definition of pre-defined failure patterns and FIU tracing with dSPACE AutomationDesk
  • Test automation using 3rd party software using the ASAM XIL API standard

Fault Simulation Concept for SCALEXIO Systems

More In-Depth Information

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