Path following control for towing system of cylindrical drilling platform in presence of disturbances and uncertainties

Jin, Tao; Du, Lei; Dehmer, Matthias; Wen, Yuanqiao; Xie, Guangming; Zhou, Quan

doi:10.1016/j.isatra.2019.04.030

Cited by 28 publications

(17 citation statements)

References 30 publications

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“…Moreover, the multi-vessel encounter situation is not directly included in the COLREGs rules. The decision regarding collision avoidance strategy relies on the knowledge and experience of the navigator in interpreting the situation based on the COLREGs rules for pairwise encounters [50]. Rule conflict was identified in this work.…”

Section: Features and Advantages Of The Proposed Methodsmentioning

confidence: 99%

Improving Near Miss Detection in Maritime Traffic in the Northern Baltic Sea from AIS Data

Banda

Goerlandt

et al. 2021

JMSE

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Ship collision is the most common type of accident in the Northern Baltic Sea, posing a risk to the safety of maritime transportation. Near miss detection from automatic identification system (AIS) data provides insight into maritime transportation safety. Collision risk always triggers a ship to maneuver for safe passing. Some frenetic rudder actions occur at the last moment before ship collision. However, the relationship between ship behavior and collision risk is not fully clarified. Therefore, this work proposes a novel method to improve near miss detection by analyzing ship behavior characteristic during the encounter process. The impact from the ship attributes (including ship size, type, and maneuverability), perceived risk of a navigator, traffic complexity, and traffic rule are considered to obtain insights into the ship behavior. The risk severity of the detected near miss is further quantified into four levels. This proposed method is then applied to traffic data from the Northern Baltic Sea. The promising results of near miss detection and the model validity test suggest that this work contributes to the development of preventive measures in maritime management to enhance to navigational safety, such as setting a precautionary area in the hotspot areas. Several advantages and limitations of the presented method for near miss detection are discussed.

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Section: Features and Advantages Of The Proposed Methodsmentioning

confidence: 99%

Improving Near Miss Detection in Maritime Traffic in the Northern Baltic Sea from AIS Data

Banda

Goerlandt

et al. 2021

JMSE

Self Cite

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“…In this paper, considering the mass and the elasticity of the towline, a catenary model is used as towline model [15] T…”

Section: Towline Modelmentioning

confidence: 99%

Output Feedback Cooperative Dynamic Positioning Control for an Unactuated Floating Object Using Multiple Vessels

Xia

Sun

Zhao

2021

JMSE

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This paper proposes an output feedback cooperative dynamic positioning control scheme for an unactuated floating object using multiple vessels under model uncertainties and environmental disturbances. The floating object is connected to multiple vessels through towlines. At first, nonlinear extended state observers are developed for the floating object and vessels to reconstruct the unmeasured velocity and to estimate the model uncertainties and disturbances. Second, observer-based controllers are designed for the floating object and vessels to drive the floating object to track the reference signal and to achieve the cooperative control of multiple vessels, respectively. The salient features of the proposed control scheme are presented as follows. Firstly, by design the object controller, the tracking performance of the object is improved. Secondly, according to the required force of the floating object, the time-varying formation of vessels is obtained by using the towline attachment geometry of the floating object, control allocation and a towline model. It is shown that all signals in closed-loop system are bounded via Lyapunov analysis. Simulation study is carried out to verify the effectiveness of proposed control method.

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“…Thus, "disturbance" has become a hot spot of research. Generally, existing studies consider external disturbances as white noise when design controllers [138], [139]. Additionally, rules ("COLREGs") have been considered in some simple encounter situations.…”

Section: Research Trends and Gapsmentioning

confidence: 99%

Survey on Cooperative Control for Waterborne Transport

Chen

Negenborn

Huang

et al. 2021

IEEE Intell. Transport. Syst. Mag.

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This article provides a comprehensive overview on cooperative control methods for waterborne transport. We first proposed a hierarchical architecture of cooperation in the waterborne transport systems. Three layers of cooperation are identified according to the range of communication and cooperation, i.e., the individual layer, the local layer, and the network layer. The individual layer is the basis layer where a controller controls the dynamics of an individual vessel. The local layer considers the vessel-to-vessel (V2V) and vessel-to-infrastructure (V2I) interactions. The network layer considers not only V2V and V2I interactions but also the interdependence of the interconnected infrastructures, i.e., infrastructure-toinfrastructure interactions. Existing research for cooperation at each layer is reviewed, and the main research gaps are provided.

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Path following control for towing system of cylindrical drilling platform in presence of disturbances and uncertainties

Cited by 28 publications

References 30 publications

Improving Near Miss Detection in Maritime Traffic in the Northern Baltic Sea from AIS Data

Improving Near Miss Detection in Maritime Traffic in the Northern Baltic Sea from AIS Data

Output Feedback Cooperative Dynamic Positioning Control for an Unactuated Floating Object Using Multiple Vessels

Survey on Cooperative Control for Waterborne Transport

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