B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 1/46 (2006.01) B66D 1/52 (2006.01) B66C 13/10 (2006.01)
Patent
CA 2727040
A method according to the invention of controlling a rotation speed of a motor of a speed- controllable hoist drive comprises receiving a lift speed instruction (~'m )\ forming a final speed instruction (~m ) by using initial information con- taining the lift speed instruction (~'m ); and using the final speed instruction (~m ) as a speed instruction for the rotation speed of the motor of the speed- controllable hoist drive. The method further comprises monitoring a position derivative of an actual value of a cable force (dF/dz). The initial information for forming the final speed instruction (~m ) comprises the position derivative of the actual value of the cable force (dF/dz).
La présente invention concerne un procédé de contrôle dune vitesse de rotation dun moteur dun entraînement de palan à vitesse contrôlable comprenant la réception dune instruction de vitesse de levage (?'m )\ la formation dune instruction de vitesse finale (?m ) à laide dinformations initiales contenant linstruction de vitesse de levage (?'m ); et lutilisation de linstruction de vitesse finale (?m ) comme une instruction de vitesse pour la vitesse de rotation du moteur de lentraînement de palan à vitesse contrôlable. Le procédé comprend en outre la surveillance dune position dérivée dune valeur réelle dune force de câble (dF/dz). Les informations initiales servant à former linstruction de vitesse finale (?m ) comprennent la position dérivée de la valeur réelle de la force de câble (dF/dz).
Kiova Jussi
Salomaeki Janne
Konecranes Plc
Sim & Mcburney
LandOfFree
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