Performance improvement of a hydraulic active/passive heave compensation winch using semi secondary motor control: Experimental and numerical verification

Geir Arne Moslått; Michael Rygaard Hansen; Damiano Padovani

doi:10.3390/en13102671

Performance improvement of a hydraulic active/passive heave compensation winch using semi secondary motor control: Experimental and numerical verification

Geir Arne Moslått^*, Michael Rygaard Hansen, Damiano Padovani

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

In this paper, a newly developed controller for active heave compensated offshore cranes is compared with state-of-the-art control methods. The comparison is divided into a numerical part on stability margins as well as operational windows and an experimental validation of the expected performance improvement based on a full-scale testing on site with a crane rated to 250 metric tons. Such a crane represents the typical target for the new control method using a combination of active and passive hydraulic actuation on the main winch. The active hydraulic actuation is a hydrostatic transmission with variable-displacement pumps and variable-displacement motors. The new controller employs feedforward control of the motors' displacement so that the window of operation is increased and, simultaneously, oscillations in the system are markedly reduced.

Original language	English
Article number	en13102671
Journal	Energies
Volume	13
Issue number	10
DOIs	https://doi.org/10.3390/en13102671
State	Published - May 2020
Externally published	Yes

Keywords

Active heave compensation
Hydrostatic transmission
Winch

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/en13102671

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title = "Performance improvement of a hydraulic active/passive heave compensation winch using semi secondary motor control: Experimental and numerical verification",

abstract = "In this paper, a newly developed controller for active heave compensated offshore cranes is compared with state-of-the-art control methods. The comparison is divided into a numerical part on stability margins as well as operational windows and an experimental validation of the expected performance improvement based on a full-scale testing on site with a crane rated to 250 metric tons. Such a crane represents the typical target for the new control method using a combination of active and passive hydraulic actuation on the main winch. The active hydraulic actuation is a hydrostatic transmission with variable-displacement pumps and variable-displacement motors. The new controller employs feedforward control of the motors' displacement so that the window of operation is increased and, simultaneously, oscillations in the system are markedly reduced.",

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AU - Hansen, Michael Rygaard

AU - Padovani, Damiano

PY - 2020/5

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N2 - In this paper, a newly developed controller for active heave compensated offshore cranes is compared with state-of-the-art control methods. The comparison is divided into a numerical part on stability margins as well as operational windows and an experimental validation of the expected performance improvement based on a full-scale testing on site with a crane rated to 250 metric tons. Such a crane represents the typical target for the new control method using a combination of active and passive hydraulic actuation on the main winch. The active hydraulic actuation is a hydrostatic transmission with variable-displacement pumps and variable-displacement motors. The new controller employs feedforward control of the motors' displacement so that the window of operation is increased and, simultaneously, oscillations in the system are markedly reduced.

AB - In this paper, a newly developed controller for active heave compensated offshore cranes is compared with state-of-the-art control methods. The comparison is divided into a numerical part on stability margins as well as operational windows and an experimental validation of the expected performance improvement based on a full-scale testing on site with a crane rated to 250 metric tons. Such a crane represents the typical target for the new control method using a combination of active and passive hydraulic actuation on the main winch. The active hydraulic actuation is a hydrostatic transmission with variable-displacement pumps and variable-displacement motors. The new controller employs feedforward control of the motors' displacement so that the window of operation is increased and, simultaneously, oscillations in the system are markedly reduced.

KW - Active heave compensation

KW - Hydrostatic transmission

KW - Winch

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Performance improvement of a hydraulic active/passive heave compensation winch using semi secondary motor control: Experimental and numerical verification

Abstract

Keywords

UN SDGs

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