Exploration of ML and DL model’s for optimal autonomous docking of a surface vessel

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This study developed hybrid deep learning and ensemble machine learning models, with GRU+ExtraTree showing superior accuracy in predicting ship control commands for autonomous docking.

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This preprint studies a data-driven hybrid machine learning/deep learning framework to predict surface-vessel control commands—specifically the number of turns and rudder angle—for autonomous docking and maneuvering in tight simulated port conditions. Using a three-DOF vessel model, the authors generate time-series data and apply CNNs for feature extraction and recurrent networks (GRU/LSTM) to learn temporal dependencies, then combine these with Random Forest and Extra Trees regressors. They report that the GRU+ExtraTree model achieves superior accuracy and responsiveness, especially when control signals change suddenly. The paper is a preprint and not peer reviewed, and its evaluation is described within simulation rather than real-world docking scenarios. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Abstract The maritime industry, essential for international logistics and trade, increasingly requires precise and reliable control systems for surface vessels, especially during critical operations such as docking and maneuvering in tight areas. This research presents a data-driven framework for predicting ship control commands, specifically focusing on the number of turns and rudder angle, by using hybrid models that combine deep learning and ensemble machine learning techniques. CNNs are used for feature extraction, while recurrent architectures like GRU and LSTM are used to handle the time-series data generated by a three-DOF vessel model operating in a simulated port environment. To improve prediction performance, these deep learning models are combined with Random Forest and Extra Trees regressors. Comparative evaluations show that the GRU+ExtraTree model delivers superior accuracy and responsiveness, particularly during sudden changes in control signals, due to its ability to capture temporal dependencies. The proposed method shows promising potential for real-time trajectory tracking and autonomous docking applications in maritime navigation.
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This research presents a data-driven framework for predicting ship control commands, specifically focusing on the number of turns and rudder angle, by using hybrid models that combine deep learning and ensemble machine learning techniques. CNNs are used for feature extraction, while recurrent architectures like GRU and LSTM are used to handle the time-series data generated by a three-DOF vessel model operating in a simulated port environment. To improve prediction performance, these deep learning models are combined with Random Forest and Extra Trees regressors. Comparative evaluations show that the GRU+ExtraTree model delivers superior accuracy and responsiveness, particularly during sudden changes in control signals, due to its ability to capture temporal dependencies. The proposed method shows promising potential for real-time trajectory tracking and autonomous docking applications in maritime navigation. Autonomous Docking Vessel Machine Learning Deep Learning Real-Time Hybrid model Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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