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
 

Publications about the test rig


Latfullin, R.
Dissertation, RWTH Aachen University, Institut für Kraftfahrzeuge (ika), 2023
DOI: 10.18154/RWTH-2024-09095 (german)


Uszynski, O.
Dissertation, RWTH Aachen University, Institut für Kraftfahrzeuge (ika), 2025
DOI: 10.18154/RWTH-2025-04736 (german)


Latfullin, R.; Reff, B.; Eckstein, L.
ATZ – Automobiltechnische Zeitschrift, Ausgabe 11/2021, 2021
DOI: 10.1007/s35148-021-0753-8


Uszynski, O.; Schliephake, C.; Böttcher, G.; Werner, D.
ATZ – Automobiltechnische Zeitschrift, Ausgabe 12/2024, 2024
DOI: 10.1007/s35148-024-2154-2

System Level NVH Analysis Using a Dedicated Chassis Test Rig
Latfullin, R.; Reff, B.; Böttcher, G.; Böttcher, T.; Eckstein, L.
11th Aachen Acoustics Colloquium (AAC 2019), 25.–27. November 2019, Aachen

Potential of Road Surface Replicas for Use on Laboratory Test Rigs
Böttcher, G.; Böttcher, T.; Eckstein, L.; Latfullin, R.; Reff, B.; Carrillo Vásquez, C.
12th International Munich Chassis Symposium (chassis.tech plus), 29.–30. Juni 2021, München

Chassis Isolation Requirements of Electric Vehicles Regarding Combined Load Cases
Latfullin, R.; Böttcher, G.; Böttcher, T.; Eckstein, L.; Reff, B.
12th Aachen Acoustics Colloquium (AAC 2021), 22.–24. November 2021, Aachen

Early Assessment of Tire Related Ride Comfort Based on Component and System Level Measurements
Yordanov, V.; Uszynski, O.; Friederichs, J.; Latfullin, R.; Eckstein, L.; Wiessalla, J.
12th International Munich Chassis Symposium (chassis.tech plus), 2022, München

Moment-Based Transfer Path Analysis – Capability of Experimental Approaches
Uszynski, O.; Kwade, M.; Eckstein, L.; Palandri, J.; Wolf-Monheim, F.; Reff, B.; Schuster, C.
13th Aachen Acoustics Colloquium (AAC 2022), 21.–23. November 2022, Aachen

Einfluss von dynamischen Schnittmomenten auf das Reifen-Fahrbahn-Geräusch im Fahrzeuginnenraum
Uszynski, O.; Palandri, J.; Reff, B.; Kwade, M.; Eckstein, L.
DAGA 2024 – 50. Jahrestagung für Akustik, 18.–21. März 2024, Hannover

NVH Optimization at Chassis Level Using Test Bench Data Considering Necessary Corrections for Coupling Forces and Moments
Uszynski, O.; Schliephake, C.; Hagen, D.; Werner, D.; Wegener, D.
21. VDI-Fachtagung „Reifen-Fahrwerk-Fahrbahn", 11.–12. September 2024, Benningen

Contact

Dominik Werner M.Sc.
Head of Vehicle Dynamics & Acoustics
+49 241 80-29383
Email

Service

Cooperations

Address

Institute for Automotive Engineering (ika)
RWTH Aachen University
Steinbachstraße 7
52074 Aachen · Germany

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+49 241 80 25600