Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

ANN-Based Decision Making in Station Keeping for Geotechnical Drilling Vessel

Version 1 : Received: 13 April 2021 / Approved: 14 April 2021 / Online: 14 April 2021 (12:44:02 CEST)

How to cite: Ramasamy, M.; Hannan, M.A.; Ahmed, Y.A.; Dev, A.K. ANN-Based Decision Making in Station Keeping for Geotechnical Drilling Vessel. Preprints 2021, 2021040377 (doi: 10.20944/preprints202104.0377.v1). Ramasamy, M.; Hannan, M.A.; Ahmed, Y.A.; Dev, A.K. ANN-Based Decision Making in Station Keeping for Geotechnical Drilling Vessel. Preprints 2021, 2021040377 (doi: 10.20944/preprints202104.0377.v1).

Abstract

Offshore vessels (OVs) often requires precise station-keeping and some vessels, for example, vessel involves in geotechnical drilling generally use Spread Mooring (SM) or Dynamic Positioning (DP) systems. Most of these vessels are equipped with both systems to cover all ranges of water depths. However, determining which systems to use for a particular operational scenario depends on many factors and requires significant balancing in terms of cost-benefit. Therefore, this research aims to develop a platform that will determine the cost factors for both the SM and DP station keeping systems. Operational information and cost data are collected for several field operations, and Artificial Neural Networks (ANN) is trained using those data samples. After that, the trained ANN is used to predict the components of cost for any given environmental situation, fieldwork duration and water depth. Later, the total cost is investigated against water depth for both DP and SM systems to determine the most cost-effective option. The results are validated using two operational scenarios for a specific geotechnical vessel. This decision-making algorithm can be further developed by adding up more operational data for various vessels and can be applied in the development of sustainable decision-making business models for OVs operators.

Subject Areas

ANN Offshore; Dynamic Positioning; Spread Mooring; Decision Making; Offshore Vessel

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