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Fault Simulation

DS1450 Bus FIU Board for fault simulation with dSPACE Simulator

Offers the essential options of electrical fault insertion for the physical layer of buses such as FlexRay. These options include short circuits, open circuits, and varying termination resistance.

DS1450 Bus FIU Board Specification
Hardware
  • Supports 4 bus channels in parallel
  • Usable for dSPACE Simulator Mid-Size and Full-Size as well as HIL systems based on expansion boxes
  • Suitable for differential bus systems (FlexRay, CAN, etc.)
  • Relay-based
Software
  • Uses a specialized ControlDesk failure pattern
Fault insertion options
  • Short circuit to ground and to any user-defined potential (typically UBAT)
  • Open circuit
  • Varying termination resistance
  • Switching cross short-circuits

Our high-current fault simulation unit on dSPACE Simulator supports fault simulation on ECU inputs and outputs. One DS5355 High Current FIU Controller Card supports up to 19 signal channels on two DS5390 High Current FIU Relay Trays. Due to its modularity, the FIU controller card can be expanded to increase the number of channels. These relay trays allow for failures with currents of up to 50 A and voltages of up to 300 V.
The FIU is controlled from ControlDesk via a serial RS232 or CAN.

High-Current FIU for dSPACE Simulator
FIU cards
  • DS5355/DS5390
Number of cards per simulator
  • Configurable
Number of channels per card
  • Up to 19
Switch type
  • Relay
Max. continuous current
  • 50 A
Possible fault types Cable break included
  Short circuit to ground included
  Short circuit to battery voltage included
  Short circuit to another ECU pin via common fail plane included