Sensor-less and time-optimal control for load-sway and boom-twist suppression using boom horizontal motion of large cranes

H Takahashi, A Farrage, K Terauchi, S Sasai… - Automation in …, 2022 - Elsevier
Load-sway and boom-twist should both be considered in motion control given that a large
crane typically has a long lattice boom. Hence, this study first analyzes the load-sway and …

Online trajectory planning for three-dimensional offshore boom cranes

B Lu, J Lin, Y Fang, Y Hao, H Cao - Automation in Construction, 2022 - Elsevier
Efficient control of offshore cranes has attracted world-wide attention in recent years.
However, due to the persistent ship roll/heave motion disturbances, it is very challenging to …

Robust nonlinear model predictive control of an autonomous launch and recovery system

Y Zhang, H Zhao, G Li, C Edwards… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Launching and recovering a lifeboat from a mother ship is a critical task for rescuing people
in high sea states, which can be dangerous to both the mother ship crew and lifeboat …

Constrained model predictive control for 3-D offshore boom cranes

J Lin, Y Fang, B Lu, H Cao, Y Hao - Control Engineering Practice, 2024 - Elsevier
Offshore boom cranes are complex nonlinear underactuated systems, whose control
problems, when considering the 3-dimensional (3-D) model affected by ship-induced …

Adaptive nonlinear control for 4‐DOF ship‐mounted rotary cranes

Q Wu, H Ouyang, H Xi - International Journal of Robust and …, 2023 - Wiley Online Library
The swing characteristics of the load of ship‐mounted rotary cranes is very complicated, due
to the rotation of the boom. Especially, when the crane is operating at sea, it is subject to …

A nonlinear optimal control approach for underactuated offshore cranes

G Rigatos - Ships and Offshore Structures, 2024 - Taylor & Francis
The article proposes a nonlinear optimal control approach for the model of boom cranes
being mounted on vessels. The dynamic model of the boom cranes undergoes approximate …

Real-time trajectory planning for ship-mounted rotary cranes considering continuous sea wave disturbances

Q Wu, H Ouyang, H Xi - Nonlinear Dynamics, 2023 - Springer
The increasing use of ship-mounted rotary cranes in marine trade has complicated
operations, as the varying rope length increases the system's underactuation. Additionally …

Nonlinear antiswing control for shipboard boom cranes with full state constraints

Y Cao, T Li - Applied Ocean Research, 2024 - Elsevier
A nonlinear energy-based controller and a Lyapunov-based model predictive control (MPC)
technology are constructed in sequence for shipboard boom cranes, while taking full state …

Robust Antiswing Control for Offshore Boom Cranes Subject to Disturbances on Both Actuated and Unactuated States

Y Zhao, Y Fang, S Wu, J Lin - IEEE/ASME Transactions on …, 2024 - ieeexplore.ieee.org
Underactuated offshore boom cranes are specialized machines widely utilized for marine
cargo transportation. Heavily influenced by the ship motions excited by sea waves, the …

采用神经网络的双吊车自适应防摆控制

文天赐, 方勇纯, 卢彪 - 自动化学报, 2023 - aas.net.cn
由于工业实践对运输能力提出了更高的要求, 双吊车的应用日益广泛. 然而其动力学模型非线性
很强, 因此控制器结构十分复杂. 另一方面, 大型货物的摆动很难抑制, 这给双吊车的自动化带来 …