Research Focus

Systems, methods and processes in the development, design and validation of engine-powered and electrified drive systems taking into account the interactions in the overall system and interactions of the system with the environment

• Development and validation environments for components and systems
• Energy storage systems in electrified drive systems
• Operation and shifting strategies for electrified drive systems
• Identification of dynamic phenomena and their causes in the vehicle

Service Offer

We are your partner for problems requiring development and validation of drive systems and their operation strategies:

• Complete drive train simulation for product validation in early periods of the development process
• Analysis and optimisation of drivetrain components regarding customer relevant aspects
  • System efficiency
  • Determination of DMF isolation behaviour
  • Virtual and mixed physical-virtual investigations of the transmission gear rattle sensitivity
  • Torsional and structural vibration
•  Identification of potentials of drivetrain architectures and topologies taking the customer requirements into account
•  Development of customer specific validation environments

Equipment

• eDriL - eDrive-in-the-Loop test bench (further information is available)
  3-motor test bench with battery simulator and a highly dynamic drive machine as well as two wheel machines to investigate conventional and (partly-) electrified drivetrain concepts in combination with a real time simulation of connected systems.
   
• Mini-HiL 
  Model test bench for technological development of new drive system test benches and concepts.
   
• Powertrain in the loop test bench - PLP (further information is available)
  Investigation of the whole drive system with the possibility to simulate the connected systems in real time.
   
• Power Pack test bench - PPP (further information is available)
  2-motor test bench with two dynamic synchronous machines for the physical integration of drivetrain components into a real time simulation of the virtual connected systems or for component tests
   
• Multi Component Test Bench - MCP (further information is available)
  The test bench offers a very high degree of modularity, allowing a large number of arrangements of motors and test specimens.
   
• Flexible usable shifting robot and automatic coupling actuation for the automation of gear shifting and coupling processes.

Theses

Current theses of the research group can be found here.

Selected Publications

Albers, A., Bause, K., Behrendt, M., & Puls, R. (2015). Efficient, function-integrating shifting components for EV. In 14. Internationales CTI Symposium.
 

Bause, K., Munker, F., Reiß, N., Rupalla, A., Behrendt, M., & Albers, A. (2016). System-integrated data acquisition in validation and operation of electric vehicles. In 16. Internationales Stuttgarter Symposium. Springer.
 

Pinner, T., Radimersky, A., & Ott, S. (2015). Energy Optimal Gear Change Strategy for Electric Vehicles. In 14. Internationales CTI Symposium – Fahrzeuggetriebe, HEV- und EV-Antriebe. CTI - Car Training Institute, division of EUROFORUM Deutschland SE.
 

Eisele, M., Kohler, K., Prinz, F., & Ott, S. (2017). Validation of a Cooling System for Temperature Conditioning of Cylindrical Battery Cells. In 30th International Electric Vehicle Symposium.

Matros, K., Schille, F., Behrendt, M., & Holzer, H. (2015). Manöverbasierte Validierung von Hybridantrieben. ATZ – Automobiltechnische Zeitschrift, 117(2), 64–71.

Albers, A., Stier, C., Babik, A., & Geier, M. (2013). Validierung von Fahrzeug-Antriebssystemen mit hochdynamischen Prüfständen. In U. Brill (Ed.), Systemanalyse in der Kfz-Antriebstechnik VII. Essen: Expert-Verlag.
 

Albers, A., Stier, C., & Geier, M. (2013). X-in-the-loop Validierungsmethoden für Kupplungssysteme. In VDI-Berichte 2206. Düsseldorf: VDI-Verlag.
 

Geier, M., Jäger, S., Stier, C., & Albers, A. (2012). Combined real and virtual domain product validation using top-down strategies.
 

Albers, A., Brezger, F., Geier, M., Freudenmann, T., & Stier, C. (2011). Phenomena-Based Methods in Powertrain Validation. In Innovative Automotive Transmissions and Hybrid & Electric Drives (10th ed., Vol. 10).
 

Albers, A., Heinrich, D., & Brezger, F. (2013). Ein Ansatz zur Fahrermodellierung bei Lastuntersuchungen von Fahrzeugkomponenten (T. Jürgensohn, & S. Kupschik, Eds.) (Vol. 4). Mensch-Maschine-. Düsseldorf: VDI Verlag.

An overview of all IPEK publications can be found here.