A METHOD OF CONTROLLING A ROTATABLE LOAD, A HYDRAULIC SYSTEM AND A WORKING MACHINE

A method of controlling a rotatable load by a hydraulic system, the method includes determining if the hydraulic system is in a first operating state or a second operating state; controlling the rotatable load in a valve control mode if the hydraulic system is in the first operating state, the valve...

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Bibliographische Detailangaben
Hauptverfasser:	SAHLMAN, Mika, HEYBROEK, Kim
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DREDGING FIXED CONSTRUCTIONS FOUNDATIONS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HYDRAULIC ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SOIL SHIFTING
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Beschreibung
Zusammenfassung:	A method of controlling a rotatable load by a hydraulic system, the method includes determining if the hydraulic system is in a first operating state or a second operating state; controlling the rotatable load in a valve control mode if the hydraulic system is in the first operating state, the valve control mode including controlling the rotatable load by controlling a valve arrangement; controlling the rotatable load in a displacement control mode if the hydraulic system is in the second operating state, the displacement control mode including controlling the rotatable load mainly by controlling the displacement of a hydraulic machine; and applying a non-zero absolute minimum displacement limitation to the hydraulic machine at least in the valve control mode.