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10. Internationales Fluidtechnisches

8. - 10. März | 2016
in Dresden

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13:45   ics       Saal 4

Performance of an electro-hydraulic active steering system

First author:
Eric Fischer, TU Dresden, IFD, Germany

André Sitte, TU Dresden, IFD
Jürgen Weber, TU Dresden, IFD
Erhard Bergmann, Hydraulik Nord Fluidtechnik GmbH & Co. KG
Markus de la Motte, Hydraulik Nord Fluidtechnik GmbH & Co. KG

Hydrostatic steering systems are used in construction and agricultural machines alike. Because of their high power density, hydraulic drives are qualified for the use in vehicles with high steering loads. Conventional hydrostatic steering systems are limited in terms of steering comfort and driver assistance. For realisation of appropriate steering functions, electro-hydraulic solutions are necessary. This paper provides an overview on existing implementations and introduces a novel steering system. The presented active steering system with independent meter-in and meter-out valves fills the gap between existing active steering systems and steer-by-wire solutions. An appropriate control and safety concept provides advanced steering functions for on-road usage without the fully redundant structure of steer-by-wire systems.