Vertical Dynamic Structural Test Bench (VESPA) and Aggregate Services

Vertical Dynamic Structural Test Bench (VESPA) and Aggregate Services

Reliability and safety are crucial with increasingly complex vehicles and thus growing functional scopes. Over the past 50 years, entire vehicles and their components have been competently tested and qualified in our test halls according to current standards and customer specifications.

In the context of modern mobility concepts, the requirements for the design of vehicles are becoming increasingly demanding: How does the new structure, the new material or the new component behave in the overall vehicle? Does the electric vehicle react significantly differently to road excitation than a vehicle with conventional drive? How do active chassis components react in the test and what does it mean for automated driving? What influence do weather conditions, fog or UV radiation have on the exterior and interior?

The Vertical Dynamic Structural Test Bench (VESPA) provides test protection for vehicles with conventional and electric drive systems. It combines test types for operational stability, fatigue, vibration, climate and environmental/ sun simulation. In addition, noise and vibration analyses, e.g. according to the acoustic profiles CREST, Squeek and Rattle (S&R), Noise Vibration Harshness (NVH), etc., are possible in human rated mode.

A combination test at VESPA combines many challenges/ requirements and impresses with high significance and reproduction for development, validation and verification.

We provide our customers with a wide range of services, which can be individually customised:

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VESPA | Vertical Dynamic Structural Test Bench

validation of safety, quality and comfort over the entire service life


Services Vertical Dynamic Structural Test Bench (VESPA)

  • Fatigue strength tests on car bodies and motorcycles along with operating load simulation tests, derived from vehicle measurements
  • Tests on electric vehicles possible
  • Determination of interference noise under various climate conditions
  • Simulation of ageing processes for vehicle components through climate simulation and solar simulation in combination with vertical road excitation
  • Human-rated mode (person in the vehicle during specific test modes)

Additional Services in Environmental Simulation Facilities

  • Preconditioning
  • Ageing of components or complete vehicles
  • Environmental and functional tests on components or complete vehicles

Technical Data


System performance:

  • Four electrodynamic vertical actuators with 41kN
  • Continuous operation possible (24/7)
  • Maximum velocity: 4 m / s
  • Frequency range: 0 to 150 Hz
  • Dynamic stroke: ±125 mm


Suitable for vehicles:

  • Up to 4,000 kg
  • Wheel base: 1,800 mm – 4,200 mm
  • Track width: 1,200 mm – 2,000 mm
  • Max. vehicle height: 2,200 mm


Climate conditioning

  • Temperature range: - 40 ° C to + 85 ° C
  • Rel. humidity: up to 98 %
  • Solar simulation facility: 1050 W / m2


Measuring technology:

  • Iteration capacity of the test bench for strain gauges, acceleration and displacement transducers
  • Additional data acquisition of temperature, strain, acceleration and displacement

Aggregate Services

Active control of chassis components during the vibration test

Measuring Technology and Optical Measuring Systems

ARAMIS • Image Correlation

ARAMIS • High-Speed Measurements

TRITOP • Photogrammetry

ATOS • 3D Scanner

Non-destructive testing • NDT Procedures

Structural Inspection

Technical and Scientific Consulting

Inspection and DamageDocumentation

Noise and vibration analysis

Acoustics Simulation and Data Analytics

Vibro-acoustics

Psycho-acoustics

Aero-acoustics

System / Multibody System Simulation

Complete system

Subsystem

Components

Damage-Equivalent Test Spectra • FatiResponse ®

 

IABG Software FatiResponse ®
Acquisition and Preparationof Load Data
Qualification
Development Support

 

Failure Analysis acc. to VDI 3822

 

Systematic Failure Analysis

Tests and Analyses in an Accredited Materials Testing Laboratory

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