Chassis-NVH-rig

Application

• System-level analysis of the NVH behavior of a vehicle chassis
• Analysis of subsystems and components in a chassis
• Customized test bench configurations

Optional Equipment

• 6 DOF load cells for coupling forces and moments
• 1 DOF force cells for hydraulic input force measurement
• Over 40 triaxial accelerometers available
• 8 displacement sensors, e.g. for knuckle motion on spatial directions

Technical Data

• Adjustable frame in x- and y-direction for different chassis designs and sizes
• Static tire load up to 1500 kg
• Generator mode for chassis with e-drive up to 1150 Nm
• Various excitation forms possible
  1. Hydraulic system using wheel substitute systems
     
     • Vertical or horizontal excitation direction and all angles there between are possible
     • Actuator force at 280 bar: 72.6 kN
     • Possible amplitude +/- 20mm
     • Excitation signals: frequency/ amplitude sweep, pink noise, specific road signals
  2. Drum excitation with cleats
     
     • Up to 20 mm cleat height
     • Velocities up to 100 km/h
     • Different cleat angles