Speed Sensor Test Benches

Fields of application

• Development, optimisation and validation of speed sensors
• Analysis of sensors, evaluation electronics and rotors in the HiL network
• Identification properties under emulated installation criteria, positions and speeds

Test bench architecture and modules

• Rotor drive and seat
  • Application in accordance with requirements of the acceleration dynamics, speed range and synchronisation characteristics
  • Rotor seat with high concentricity and flexible quick-action clamping mechanism
• Positioning robot
  • Positioning and air-gap control via 3-axis portal (±25μm accuracy) or 6-axis robot (±50μm accuracy)
  • Multiple-sensor recording when using a robot
• Electricity supply for test item
  • Stabilised power supply via logic power supplies (5/12/24/48V)
  • Optional dynamic vehicle electrical system simulation (12/24/48V) or battery switch for battery simulator
• Metrology
  • High-resolution speed and angle measuring technology with applicable reference signals
  • Air gap measurement up to a resolution of ±5μm
  • Highly dynamic current, voltage and digital signal acquisition of sensor signals and field bus data from evaluation electronics or control devices
  • Optional integration of oscilloscopes, field meters or customer-specific measuring systems
• Optional extensions for temperature and climatic simulation

Automation and functions

• Single-item or series testing of sensor signals and functions
• Analysis of rotor properties (stroke, pitch, tooth shapes)
• Customer-specific online analysis of sensor functions and test sequencers for customer-specific test programs
• Automatic report generation of test results with DIAdem