|
|
|
|
|
Chunyu Song, Teer Guo, Jianghua Sui and Xianku Zhang
In order to solve the problem of the dynamic positioning control of large ships in rough sea and to meet the need for fixed-point operations, this paper proposes a dynamic positioning controller that can effectively achieve large ships? fixed-point contr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaobin Qian, Helong Shen, Yong Yin and Dongdong Guo
In this paper, we present a novel nonlinear model predictive control (NMPC) algorithm based on the Laguerre function for dynamic positioning ships to solve the problems of input saturation, unknown time-varying disturbances, and heavy computation. The no...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dongdong Mu, Yupei Feng, Guofeng Wang, Yunsheng Fan, Yongsheng Zhao and Xiaojie Sun
In order to simultaneously address the issues of ship operating area limitation, unknown time-varying disturbances, immeasurable ship speed, unknown dynamics, and input saturation, this paper investigates the position-constrained ship dynamic positioning...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dapeng Zhang, Bowen Zhao, Haoyu Jiang and Keqiang Zhu
The conventional mooring positioning technique is cost-effective; however, it shows poor maneuverability and positioning precision. In this study, to calculate the mooring tension, mooring cables were discretized into lumped mass models using the lumped ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yufang Zhang, Changde Liu, Nan Zhang, Qian Ye and Weifeng Su
Focusing on dynamic positioning (DP) systems for ships, which are subject to environmental disturbances and actuator constraints, this paper presents a finite-time controller that uses a disturbance observer with the aid of a backstepping technique. Firs...
ver más
|
|
|
|
|
|
|
|
|
|
|
Denis Selimovic, Jonatan Lerga, Jasna Prpic-Or?ic and Sasa Kenji
Various operations at sea, such as maintaining a constant ship position and direction, require a complex control system. Under such conditions, the ship needs an efficient positioning technique. Dynamic positioning (DP) systems provide such an applicatio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yong Zhan, Huichun Tian, Jianan Xu, Shaofei Wu and Junsheng Fu
A wave compensation platform based on 3-SPR parallel platform is designed for marine ships with a dynamic positioning system. It can compensate for the heave, rolling, and pitching movement of a vessel under level 4 sea state. The forward kinematics of t...
ver más
|
|
|
|
|
|