Electronic system, method, and program for controlling a variable-configuration lay ramp of a pipeline laying vessel, to lay a pipeline on the bed of a body of water
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United States of America Patent
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Nov 29, 2016
Grant Date -
Feb 5, 2015
app pub date -
Jan 28, 2013
filing date -
Jan 27, 2012
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Abstract
An electronic control system configured to control a variable-configuration lay ramp of a pipeline laying vessel, to lay a pipeline on the bed of a body of water, is configured to: acquire data including data related to the configuration of the lay ramp, data related to the laying vessel, and data related to the forces transmitted by the lay ramp and the laying vessel to the pipeline; generate a plurality of step sequences to change the configuration of the lay ramp from a first to a second work configuration; and select a best step sequence as a function of the plurality of step sequences and the acquired data, so as to minimize the stress induced in the pipeline at each intermediate configuration between the first and second work configuration.
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