A novel controller for cranes employed in heavy-lift offshore marine operations is proposed. The control objective is to reduce the hydrodynamic slamming load acting on a product at water-entry of moonpool operations; at the same time the values of the wire tension must be kept within acceptable bounds. The control design is based on an extension of classical SISO feedback design to the case of not measurable controlled output. The effectiveness of the proposed design is shown experimentally. The experiments are carried out using a scale-model of a crane vessel with a moonpool. Experimental results show improvements with respect to a previous feedforward controller.

Crane feedback control in offshore moonpool operations / S., Messineo; Celani, Fabio; O., Egeland. - (2006), pp. 1826-1831. ((Intervento presentato al convegno 2006 American Control Conference tenutosi a Minneapolis, Minnesota, USA [10.1109/ACC.2006.1656485].

Crane feedback control in offshore moonpool operations

CELANI, FABIO;
2006

Abstract

A novel controller for cranes employed in heavy-lift offshore marine operations is proposed. The control objective is to reduce the hydrodynamic slamming load acting on a product at water-entry of moonpool operations; at the same time the values of the wire tension must be kept within acceptable bounds. The control design is based on an extension of classical SISO feedback design to the case of not measurable controlled output. The effectiveness of the proposed design is shown experimentally. The experiments are carried out using a scale-model of a crane vessel with a moonpool. Experimental results show improvements with respect to a previous feedforward controller.
2006 American Control Conference
crane control; nonmeasurable controlled output: moonpool
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Crane feedback control in offshore moonpool operations / S., Messineo; Celani, Fabio; O., Egeland. - (2006), pp. 1826-1831. ((Intervento presentato al convegno 2006 American Control Conference tenutosi a Minneapolis, Minnesota, USA [10.1109/ACC.2006.1656485].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/57655
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