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1. (WO2018219389) METHOD FOR ADJUSTING AN OPERATING POINT OF A HYDRAULIC ACTUATOR ARRANGEMENT

Pub. No.:    WO/2018/219389    International Application No.:    PCT/DE2018/100433
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed May 09 01:59:59 CEST 2018
IPC: F16D 48/06
F16D 31/00
F16D 25/12
Applicants: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Inventors: WEI, Yunfan
GRETHEL, Marco
BAEHR, Markus
SCHAUER, Andre
Title: METHOD FOR ADJUSTING AN OPERATING POINT OF A HYDRAULIC ACTUATOR ARRANGEMENT
Abstract:
The invention relates to a method for adjusting an operating point of a hydraulic actuator arrangement, in which a volumetric flow source is connected to a hydraulic cylinder (4) via a pressure line (10) which is filled with a hydraulic fluid, wherein a volume of the hydraulic fluid is regulated via the volumetric flow source (15) and the operating point corresponds to a position of the actuator arrangement (1) for a predefined parameter of a device (5) which is to be actuated by the actuator arrangement (1), wherein the volume of the hydraulic fluid which is required to adjust the operating point is derived from a rotational position of a volumetric flow source motor (11) and/or the volumetric flow source (15). In a method which facilitates a reliable start of the volume determination, a volume determination is started by means of a rotary angle regulation at a predefined pressure (p_K), wherein the predefined pressure (p_K) is lower than a system pressure (p_L).