Kupplungen und tribologische Systeme


Clutch and Tribology Systems

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


Optische in-situ Analyse der Schmiermittelverteilung graphitgeschmierter Wälzlager
Dewald, A.; Joerger, A.; Lagier, F.; Bischofberger, A.; Brause, K.; Albers, A.
2023. GfT Gesellschaft für Tribologie e.V. (Hg.), 64. Tribologie-Fachtagung 2023, Reibung, Schmierung und Verschleiß, Forschung und praktische Anwendungen Research and Practical Applications, Gesellschaft für Tribologie e.V. (GfT)
Schwingungsreduzierung im nasslaufenden Kupplungssystem – Gezielte Beeinflussung des tribologischen Systems
Bischofberger, A.; Brause, K.; Albers, A.
2023. Forschungsreport / Forschungsvereinigung Antriebstechnik e.V, (1572), Nr. 21378
Decoupling Effects in Wet-Running Multi Plate Clutches – Extended and Efficient Use in Hybrid Drive Trains
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2023. 16th International Conference on Engines & Vehicles, Capri, Italy, 10-14 September 2023, SAE International. doi:10.4271/2023-24-0179
Feinstaubemissionen trockenlaufender Friktionssysteme in Fahrzeugen
Sutschet, A.; Bause, K.; Bischofberger, A.; Ott, S.
2023. VDI-Fachtagung Kupplungs- und Bremssysteme für mobile und stationäre Anwendungen : Auslegung – Systemverhalten – Lösungen 24. und 25. Mai 2023, Karlsruhe, 3–18, VDI Verlag. doi:10.51202/9783181024140
Schwingungsreduzierung durch nasslaufende Lamellenkupplungen – Gezielte Auslegung des Tribosystems für einen effizienten Einsatz
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2023. Kupplungs- und Bremssysteme für mobile und stationäre Anwendungen : VDI-Fachtagung : Auslegung – Systemverhalten – Lösungen : 24. und 25. Mai 2023, Karlsruhe, 67–82, VDI Verlag. doi:10.51202/9783181024140-67
Feinstaubemissionen trockenlaufender Friktionssysteme in Fahrzeugen
Sutschet, A.; Bause, K.; Bischofberger, A.; Ott, S.
2023. Forschung im Ingenieurwesen. doi:10.1007/s10010-023-00664-9
Untersuchung eines axialen Gleitlagers als Ausrücklager in einer Hochdrehzahlkupplung im Fahrzeugantrieb
Sutschet, A.; Bause, K.; Bischofberger, A.; Ott, S.
2022. 63. Tribologie-Fachtagung (2022), Göttingen, Germany, September 26–28, 2022
Suitability of additive manufactured PEEK Gears as a means of gear sampling for Automotive High-Speed Gear-boxes
Lagier, F.; Bischofberger, A.; Bause, K.; Ott, S.
2022. International Conference on Gears 2022, 4th International Conference on High Performance Plastic Gears 2022, 4th International Conference on Gear Production 2022 : Garching / Munich, Germany September 12 - 14, 1045–1060, VDI Verlag
Untersuchung des anwendungsnahen, dynamischen Reibverhaltens nasslaufender Lamellenkupplungen am Beispiel zweier Tribosystemvarianten
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2022. Tribologie und Schmierungstechnik, 69 (2), 26–39. doi:10.24053/TuS-2022-0010
Einflüsse des Tribosystems auf die Schwingungsreduzierungswirkung in nasslaufenden Lamellenkupplungen – Gestaltungsempfehlungen für eine gezielte Auslegung des Friktionssystems
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2022. 63. Tribologie-Fachtagung (2022), Göttingen, Germany, September 26–28, 2022
How friction modifier influences the dynamic friction behavior in wet-running clutch systems and its potential for extended use in hybrid drive trains
Bischofberger, A.; Bause, K.; Ott, S.; Albers, A.
2022. 23rd International Colloquium Tribology : Industrial and Automotive Lubrication. Ed.: A. Fatemi, expert-Verlag
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. doi:10.1007/978-3-658-29943-9_22