Research Focus

The research focus is on methods and processes for the development of dry and lubricated friction systems in complex drive system solutions:

  • Modelling of tribotechnical systems
  • Explanatory models for tribological contacts
  • Computer-based simulation of tribological contacts in the overall system
  • Observance of interaction in the overall system
  • Alternative friction materials

Service Offer

We are your partner for problems requiring experimental and virtual research and validation of dry-running and lubricated friction systems.

  • Theoretical and experimental investigation in all test categories
  • Customer-specific optimised methods and processes for development, design and validation of friction systems
  • Joint development and validation of innovative products
  • Optimisation of components and systems

Equipment

We offer the following simulation and test equipment which is especially useful for probing and examining friction systems:

  • Dry friction test bench (TRP) (flyer)
    • Investigation of test pieces, clutch plates and clutch systems under load-like boundary conditions

    • Replication of powertrain stiffness and simulation of mass moments of inertia

    • Further information about the test bench can be found in the flyer which will soon be available for downloading here

  • Test module for wet clutch linings (InLine-Module) (flyer)
    • Determination of the performance limits of wet cluches under different load parameters

    • Determination of the vibration decoupling through wet-running plate packs in regulated slip opertion

  • Powertrain in the loop test bench (PLP) (flyer)
    • Investigation into how friction systems interact with the overall powertrain

    • Further information about the test bench can be found in the flyer which will soon be available for downloading here.

  • Continuous slip test bench (DSP)
    • Investigation of wet-running multi-disk clutches and brakes with simultaneous rotation of inner and outer disks

    • Investigation of switch operation as well as continuous slip operation

    • Further information about the test bench can be found in the flyer which will soon be available for downloading here.

  • Multi-slip test bench (MSP)
    • Differentiated investigation of friction pairs through the combination of three possible sliding portions: tangential slip, radial slip and spin

    • Cyclic meshing of friction contacts

    • Further information about the test bench can be found in the flyer which will soon be available for downloading here.

  • Mini-Hardware-in-the-Loop test bench (Mini-HiL) (flyer)
    • Flexible development and validation platform for e.g. simulation models and control algorithms
  • Mini-Hardware-in-the-Loop test bench (Mini-HiL2)
    • Flexible development and validation platform for e.g. simulation models and control algorithms
  • Data recording
    • Recording of measurement data up to 100 KHz by the test bench software

    • Integration of mobile data recording systems: LMS SCADAS Mobile, AFT Tornado

  • Measurement equipment
    • Laser surface velocimeter: Non-contact rotational speed measurement on all rotatory parts in the test bench

    • Particle image velocimetry (PIV): Non-contact measurement of flow fields of fluids

    • High speed thermal camera: High resolution long-wave infrared camera for non-contact temperature measurement up to 6000 images per second

    • Thermal camera: Short-wave infrared camera for non-contact temperature measurement

  • Hardware and software development environment​​
    • FE simulation of dry and lubricated tribological contacts (Abaqus)
    • FE simulation of friction systems (Abaqus)
    • CFD simulation of oil flows (Ansys)
    • Multi-body simulation of friction systems
    • One-dimensional powertrain simulation (AMESim, Simulink)
    • Coupling of simulation methods

Theses

Current theses of the research group can be found here.

Contact

Publikationsliste


Extended Abstract: Untersuchung des anwendungsnahen, dynamischen Reibverhaltens nasslaufender Lamellenkupplungen am Beispiel zweier Tribosystemvarianten.
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2021. 62. Tribologie-Fachtagung 2021 - Reibung, Schmierung und Verschleiß : Forschung und praktische Anwendungen, 27. bis 29. September 2021, 21/1–21/5, Gesellschaft für Tribologie e.V. (GfT)
Wet clutch as an enabler of cost-efficient hybrid drive systems Decoupling as functional extension.
Albers, A.; Bischofberger, A.; Ott, S.
2020. 20. Internationales Stuttgarter Symposium : Automobil- und Motorentechnik. [17. und 18. März 2020, Stuttgart]. Hrsg.: M. Bargende, 251–265, Springer Fachmedien Wiesbaden GmbH. doi:10.1007/978-3-658-29943-9_22