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Tao Jiang, Yize Sun, Hai Huang, Hongde Qin, Xi Chen, Lingyu Li, Zongyu Zhang and Xinyue Han
Autonomous underwater manipulation is very important for the robotic and intelligence operations of oceanic engineering. However, a small target often involves limited features and results in inaccurate visual matching. In order to improve visual measure...
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Gang Xue, Yanjun Liu, Zhenjie Shi, Lei Guo and Zhitong Li
In order to improve the trajectory tracking accuracy of an Underwater Vehicle Manipulator System (UVMS) under uncertain disturbance conditions of ocean current, a Model-free Adaptive Control (MFAC) method was used. Combined with Radial Basis Function Neu...
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Alexander Konoplin, Alexander Yurmanov, Nikita Krasavin and Pavel Piatavin
This article considers an approach to synthesizing a multilevel system to control movements of a multilink manipulator (MM) mounted on an unmanned underwater vehicle (UUV) for performing autonomous manipulative operations in the mode of dynamic positioni...
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Jia-Bin Wu, Li Li, Yong-Kang Yan, Pin-Jian Wang and Wei Wei
The valve-controlled hydraulic cylinder system (VCHCS) is commonly utilized in the underwater manipulator, which is the most important tool for subsea tasks. Hydraulic oil viscosity is very sensitive to pressure. Therefore, when working at different dept...
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Ningning Ding, Yuangui Tang, Zhibin Jiang, Yunfei Bai and Shixun Liang
This paper investigates the station-keeping control of autonomous and remotely-operated vehicles (ARVs) for free-floating manipulation under model uncertainties and external disturbances. A modified adaptive generalized super-twisting algorithm (AGSTA) e...
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Zongyu Chang, Yang Zhang, Zhongqiang Zheng, Lin Zhao and Kunfan Shen
Underwater vehicle-manipulator system (UVMS) can be applied to fulfill different complex underwater tasks such as grasping, drilling, sampling, etc. It is widely used in the field of oceanographic research, marine exploration, military, and commercial ap...
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Alexander Konoplin, Vladimir Filaretov and Alexander Yurmanov
A novel method for supervisory control of multilink manipulators mounted on underwater vehicles is considered. This method is designed to significantly increase the level of automation of manipulative operations, by the building of motion trajectories fo...
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Lijun Han, Guoyuan Tang, Maolin Cheng, Hui Huang and De Xie
An adaptive nonsingular fast terminal sliding mode control scheme with extended state observer (ESO) is proposed for the trajectory tracking of an underwater vehicle-manipulator system (UVMS), where the system is subjected to the lumped disturbances asso...
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Gun Rae Cho, Geonhui Ki, Mun-Jik Lee, Hyungjoo Kang, Min-Gyu Kim and Ji-Hong Li
In underwater environments restricted from human access, many intervention tasks are performed by using robotic systems like underwater manipulators. Commonly, the robotic systems are tele-operated from operating ships; the operation is apt to be ineffic...
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Zengcheng Zhou, Guoyuan Tang, Ruikun Xu, Lijun Han and Maolin Cheng
In this paper, the tracking control problem of underwater robot manipulators is investigated under the influence of the lumped disturbances, including unknown ocean current disturbances and parameter uncertainties. The proposed novel continuous nonsingul...
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