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Development of innovative solutions for displacement variation in hydrostatic machines
Karl Hartmann, TU Braunschweig - Institute of Mobile Machines and Commercial Vehicles, Germany
Ludger Frerichs, TU Braunschweig - Institute of Mobile Machines and Commercial Vehicles
Along with the general requirement of continuously increasing efficiency of hydrostatic drivetrains, variable displacement machines are of major concern in research and development. To this effect, the whole machine performance is mainly dependent of the displacement variation system (DVS) performance. A lot of work to this topic focusses on the controller and actuator level. The aim of this paper is to offer a more fundamental view on DVS by giving a focus to the basic hydro-mechanical principles.