Mooring system with active control

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 21/00 (2006.01) E02B 3/20 (2006.01)

Patent

CA 2494529

A vessel mooring system which includes at least two mooring robots secured to a terminal, each robot includes an attractive force attachment element eg. a vacuum cup and a base structure fixed relative to the terminal. The attachment element is able to be engaged with a vertically extending side vessel surface and to exert an attractive force normal to the vessel surface at where it is to be attached. Each robot includes means to measure the attractive force between the attachment element and the vessel to provide an ~attractive force capacity reading~. Also provided is a means to measure the force between the attachment element and the fixed structure of the mooring robot to provide a ~normal force reading~. From monitoring of the relationship between the attractive force capacity reading and the normal force a control of the mooring robot can be provided such that if there is a tending to separate the attachment elements from said vessel the attractive force may be increased and/or alarm is sounded.

La présente invention concerne un système d'amarrage de navire comprenant au moins deux robots d'amarrage fixés à un terminal. Chaque robot comprend un élément d'attache à force d'attraction, tel qu'une ventouse, et une structure de base fixe par rapport au terminal. Cet élément d'attache peut venir en prise avec une surface de navire latérale verticale et exercer une force d'attraction normale à la surface du navire où il doit être attaché. Chaque robot comprend également un système pour mesurer la force d'attraction entre l'élément d'attache et le navire afin de fournir une <=mesure de capacité de force d'attraction >=, ainsi qu'un système pour mesurer la force entre l'élément d'attache et la structure fixe du robot d'amarrage afin de fournir une <= mesure de force normale >=. Le contrôle de la relation entre la mesure de capacité deforce d'attraction et la force normale permet de commander le robot d'amarrage de façon qu'en cas de tendance à la séparation des éléments d'attache du navire, la force d'attraction peut être augmentée et/ou une alarme peut être déclenchée.

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