Identification-based simplified model of large container ships using support vector machines and artificial bee colony algorithm

M Zhu, A Hahn, YQ Wen, A Bolles - Applied Ocean Research, 2017 - Elsevier
The 6 degrees of freedom (DOF) model with a high degree of complexity for capturing ship
dynamics is generally able to track the nonlinear and coupling dynamics of ships. However …

[HTML][HTML] Control of dynamic positioning system with disturbance observer for autonomous marine surface vessels

M Tomera, K Podgórski - Sensors, 2021 - mdpi.com
The main goal of the research is to design an efficient controller for a dynamic positioning
system for autonomous surface ships using the backstepping technique for the case of full …

Identification-based 3 DOF model of unmanned surface vehicle using support vector machines enhanced by cuckoo search algorithm

PF Xu, C Cheng, HX Cheng, YL Shen, YX Ding - Ocean Engineering, 2020 - Elsevier
The combination of least square support vector machine (LS-SVM) and cuckoo search (CS)
algorithm was first proposed to identify the dynamic models of unmanned surface vehicle …

[PDF][PDF] Technology of spatial data geometrical simplification in maritime mobile information system for coastal waters

W Kazimierski, M Włodarczyk-Sielicka - Polish Maritime Research, 2016 - sciendo.com
The paper undertakes the subject of spatial data pre-processing for marine mobile
information systems. Short review of maritime information systems is given and the focus is …

Ensemble learning approach based on stacking for unmanned surface vehicle's dynamics

C Cheng, PF Xu, H Cheng, Y Ding, J Zheng, T Ge… - Ocean engineering, 2020 - Elsevier
The 3 degrees of freedom (DOF) model, including surge motion, sway motion and yaw
motion, with differential thruster is proposed to describe the unmanned surface vehicle …

Global generalised exponential/finite-time control for course-keeping of ships

X Sun, W Chen - International Journal of Control, 2016 - Taylor & Francis
This paper addresses the global generalised exponential/finite-time control of the nonlinear
ship course system with an unknown control coefficient. Different from the well-known …

Optimization of filtering correctors for autopilot control laws with special structures

EI Veremey - Optimal Control Applications and Methods, 2016 - Wiley Online Library
The paper is devoted to the problem of control law optimization for marine ships, which are
steered by autopilots under the action of sea disturbances, mainly determined by bias terms …

Nonlinear feedback-based path following control for underactuated ships via an improved compound line-of-sight guidance

Z Su, X Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
To promise the high fidelity of path following control for the underactuated ship from the
aspect of the nautical practice, this paper develops a nonlinear feedback-based control …

Consistent design of PID controllers for an autopilot

Z Świder, L Trybus, A Stec - Polish Maritime Research, 2023 - sciendo.com
ABSTRACT A consistent approach to the development of tuning rules for course-keeping
and path-tracking PID controllers for a ship autopilot are presented. The consistency comes …

Inference engine in an intelligent ship course‐keeping system

P Borkowski - Computational Intelligence and Neuroscience, 2017 - Wiley Online Library
The article presents an original design of an expert system, whose function is to
automatically stabilize ship's course. The focus is put on the inference engine, a mechanism …