Simulated High-Voltage Rechargeable Batteries

dSPACE has developed a battery simulation package to help develop battery management systems.

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dSPACE's latest addition to its Automotive Simulation Models (ASM) simulation package is a new battery model for simulating high-voltage rechargeable batteries. The model is designed to virtualize the rechargeable lithium-ion, nickel-metal hydride (NiMH) and lead batteries used for the electrification of vehicle drivetrains.

  • Facilitates function development for battery management systems (BMS) and also testing of close-to-production electronic control units (ECUs)
  • Uses Model-in-the-loop (MIL) simulations in Simulink and hardware-in-the-loop (HIL) simulations 
  • Supports elementary functions of current battery management systems, such as cell balancing
  • Simulates every single battery cell to represent cell-specific charges, voltages and currents
  • Computations are performed in real time, no matter how many cells there are
  • Physical parameters such as internal resistance, diffusion and double-layer capacities can be defined for each cell
  • Includes leakage currents such as those due to outgassing when NiMH cells are charged
  • Employs intuitive user interface of dSPACE ModelDesk for easy comprehensive parameterization of multicell simulations 
  • Combines with dSPACE's new controllable EV1077 buffer amplifier modules to build a complete battery cell emulation
  • Galvanically isolated voltage is output with a precision of +/1.5 mV across the entire working temperature range
  • Modules can be switched in series to achieve a total voltage of up to 1000V
  • Fulfills all major requirements for testing battery management system ECUs by HIL simulation reproducibly and under automated control
  • For laboratory use, turnkey simulators are available for component testing of single ECUs and also for integration testing of an ECU network
  • Supports entire development process from function design to production release for BMS ECUs
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