HiL and Parameter Test Benches

Fields of applicatione

• Highly automated parameter tests or environmental tests of mechatronic systems
• Development, optimisation and validation of electrically operated systems (e.g. for Automotive LV124)
• Analysis of functions, performance parameters and control quality
• Simulation and validation of behaviour in failure scenarios

Test bench architecture and modules

• Test-item and customer-specific application of hardware and functions
• Automation
  • Control and regulation of test sequences for environmental and parameter tests via field bus interfaces
  • Integrated control of climatic chambers and vibration test systems
  • Monitoring of test procedure and progress
  • Data analysis with automatic report generation
  • Implementation based on MATLAB/Simulink with National Instruments or dSpace
• Power supplies for test items
  • High-performance simulation of 6 vehicle electrical systems 0..60V or 115V incl. energy recovery where applicable
  • Automatic clamping circuits of power supplies for up to six test items
  • Implementation of integrated laboratory power supply units or connectable external battery simulators
• Measuring technology and field bus interface 
  • Sensors for highly dynamic and precise acquisition of currents (0,2..200 A) and voltages (0..150V) of power supplies, sensors and actuators
  • Field bus interfaces CAN/LIN/FlexRay and RS/ARINC
  • Continuous measurement data acquisition and online analysis
• Signal specification or HiL simulation
  • Automatic real-time specifications for emulating temperature sensors, resistances, and voltage, frequency or load signals
  • Optional: FIU functionality for automatic for testing for electrical faults on actuators, sensors and field buses
  • Integration of test item models (MATLAB/ Simulink) and real-time simulation in the automation system