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09:50 ics Großer Saal
High Performance Drivetrains for Powerful Mobile Machines
Andreas Schumacher, Danfoss Power Solutions GmbH & Co OHG, Germany
Robert Rahmfeld, Danfoss Power Solutions GmbH & Co OHG
Heiko Laffrenzen, Danfoss Power Solutions GmbH & Co OHG
This paper discusses the current and future drivetrain perspectives of powerful mobile machines, especially in regards to TCO and drive performance. For the TCO-impact, the power losses of the components plays a big role and, if they are designed for efficiency, they have a significant and measurable influence. From the braking function point of view, this paper demonstrates not only the advantages of a valve-based over a control algorithm based solution, but also its innovative development directions towards a more sophisticated engine speed controller with optimized heat conversion into the oil. Also for the drivetrain subsystems, innovative components are discussed, like the hybrid control, combining the benefits of a non-feedback and a displacement control in one single assembly, or the variable charge system for further reduced energy consumption of the overall drivetrain.