A SYSTEM AND A METHOD FOR HANDLING A LOAD IN AN ELEVATED POSITION

The present invention relates to a crane system for handling a load (3, 4), and a method for controlling the load (3, 4) during hoisting operation. The method present acts for controlling the orientation of a load (3, 4) during hoisting operation using a speed controlling method. A winch (5) control system controls a winch (5) arrangement, wherein the winch (5) arrangement is arranged relative to a crane system. The method comprising the following steps, placing the load (3, 4) in a first load (3, 4) position, and attaching the first tagline (8) and the second tagline (8, L2) to a first and a second attachment point on the load (3, 4), determining a predicted virtual axis for a next load (3, 4) position relative to the previous virtual axis, moving the load (3, 4) to the next load (3, 4) position relative to the predicted virtual axis while controlling each of the first and second winch (9), such that each of the first and second tagline length (8) are adjusted separately relative to the predicted virtual axis, retrieving at least one first tagline length (LI) information from a first measuring device and at least one second tagline length (8) information from a second measuring device in the next load (3, 4) position, analysing the first and second tagline length (8) information relative to each other to determine an offset value for each of the first and second tagline length (8), and comparing the offset values to the predicted virtual axis related to a current load (3, 4) position, calculating an offset correction of the first and second tagline length (8) compared to each of the offset value based on the predicted virtual axis. When the load (3, 4) is moving towards a further load (3, 4) position having a further predicted virtual axis, each length of the respective taglines (8) is adjusted relative to the predicted virtual axis, such that the load (3, 4) is moved by controlling each length of the respective taglines (8) in advance. La présente invention concerne un système de grue permettant de manipuler une charge (3, 4), et un procédé permettant de commander la charge (3, 4) au cours de l'opération de levage. Le présent procédé permet de commander l'orientation d'une charge (3, 4) au cours d'une opération de levage à l'aide d'un procédé de réglage de vitesse. Un système de commande de treuil (5) commande un agencement de treuil (5), l'agencement de treuil (5) étant agencé par rapport à un système de grue. Le procédé comprend les étapes suivantes, c