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Classifying bow entry events of wave piercing catamarans in random waves using unsupervised and supervised techniques
conference contribution
posted on 2023-05-23, 14:19 authored by Babak Shabani, Jason Ali-LavroffJason Ali-Lavroff, Damien HollowayDamien Holloway, Penev, S, Dessi, D, Thomas, GAn onboard monitoring system can measure features such as stress cycles counts and provide warnings due to slamming. Considering current technology trends there is the opportunity of incorporating machine learning methods into monitoring systems. A hull monitoring system has been developed and installed on a 111 m wave piercing catamaran (Hull 091) to remotely monitor the ship kinematics and hull structural responses. Parallel to that, an existing dataset of a geometrically similar vessel (Hull 061) was analysed using unsupervised and supervised learning models; these were found to be beneficial for the classification of bow entry events according to the kinematic parameters. A comparison of different algorithms including linear support vector machines, naïve Bayes and decision tree for the bow entry classification were conducted. In addition, using empirical probability distributions, the likelihood of wet-deck slamming was estimated given vertical bow acceleration thresholds.
History
Publication title
Proceedings of the International Conference on Marine Industry 4.0Pagination
39-54ISBN
978-1-911649-00-7Department/School
School of EngineeringPublisher
The Royal Institution of Naval ArchitectsPlace of publication
London, UKEvent title
International Conference on Marine Industry 4.0Event Venue
Rotterdam, The NetherlandsDate of Event (Start Date)
2019-11-05Date of Event (End Date)
2019-11-05Rights statement
Copyright 2019 The Royal Institution of Naval ArchitectsRepository Status
- Restricted