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

Influence of Electric Axle Drives on the Design of Chassis Bearings
Latfullin, R.
Dissertation, RWTH Aachen University, Institut für Kraftfahrzeuge (ika), 2023
DOI: 10.18154/RWTH-2024-09095 (german)

Moment-Based Analysis of the Vibroacoustic System Transfer Behavior
Uszynski, O.
Dissertation, RWTH Aachen University, Institut für Kraftfahrzeuge (ika), 2025
DOI: 10.18154/RWTH-2025-04736 (german)

Comfort Requirements of Electric Axles for Chassis Design
Latfullin, R.; Reff, B.; Eckstein, L.
ATZ – Automobiltechnische Zeitschrift, Ausgabe 11/2021, 2021
DOI: 10.1007/s35148-021-0753-8

Chassis Development - Variable Excitation Forms on an NVH Test Rig
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
RWTH Aachen University
Steinbachstraße 7
52074 Aachen · Germany

office@ika.rwth-aachen.de
+49 241 80 25600