Zermelo's problem: optimal point-to-point navigation in 2D turbulent flows using reinforcement learning

L Biferale, F Bonaccorso, M Buzzicotti… - … Journal of Nonlinear …, 2019 - pubs.aip.org
To find the path that minimizes the time to navigate between two given points in a fluid flow
is known as Zermelo's problem. Here, we investigate it by using a Reinforcement Learning …

Numerical and experimental study on the maneuverability of an active propeller control based wave glider

P Wang, D Wang, X Zhang, X Li, T Peng, H Lu… - Applied Ocean …, 2020 - Elsevier
Wave glider is a revolutionary ocean surface autonomous vehicle, which has the ability to
convert surface wave motion into forward propulsion. Theoretically, the endurance of the …

[HTML][HTML] Dynamic modeling and simulations of the wave glider

P Wang, X Tian, W Lu, Z Hu, Y Luo - Applied Mathematical Modelling, 2019 - Elsevier
Wave glider is a new wave-powered autonomous marine vehicle, which is composed of a
submerged glider connected to a surface floater via a tether. Such an advanced vessel is …

Model predictive control for underwater robots in ocean waves

DC Fernández, GA Hollinger - IEEE Robotics and Automation …, 2016 - ieeexplore.ieee.org
Underwater robots beneath ocean waves can benefit from feedforward control to reduce
position error. This letter proposes a method using model predictive control (MPC) to predict …

[HTML][HTML] 波浪滑翔器技术的回顾与展望

廖煜雷, 李晔, 刘涛, 李一鸣, 王磊峰, 姜权权 - 2016 - html.rhhz.net
波浪滑翔器是近十年来涌现出来的一种新型海洋无人航行器, 凭借其超大续航力和极强生存能力
, 已在海洋科学, 海洋工程甚至军事领域得到了广泛应用, 波浪滑翔器技术日益成为了国内外研究 …

波浪滑翔器纵向速度与波浪参数定量分析

桑宏强, 李灿, 孙秀军 - 水下无人系统学报, 2018 - sxwrxtxb.xml-journal.net
波浪滑翔器纵向运动速度受海况影响而发生变化, 揭示波浪滑翔器纵向运动速度与浪高以及波
周期之间的关系对提升和改进波浪滑翔器的动力性能具有重要意义. 以“海哨兵” …

Formation control of discrete-time nonlinear multi-glider systems for both leader–follower and no-leader scenarios under switching topology: Cases for a fleet …

X Ma, Y Wang, S Li, W Niu, W Ma, C Luo, S Yang - Ocean Engineering, 2023 - Elsevier
The formation control of multiple underwater gliders has been incredibly helpful in ocean
research and inspection. However, it can be substantially challenging due to its …

Numerical investigation of a wave glider in head seas

F Yang, W Shi, X Zhou, B Guo, D Wang - Ocean engineering, 2018 - Elsevier
A wave glider comprises a surface boat, which harvests energy from wave and solar power,
a submerged glider containing six pairs of tandem hydrofoils and a tether connecting them …

Optimal tracking strategies in a turbulent flow

C Calascibetta, L Biferale, F Borra, A Celani… - Communications …, 2023 - nature.com
Pursuing a drifting target in a turbulent flow is an extremely difficult task whenever the
searcher has limited propulsion and maneuvering capabilities. Even in the case when the …

Orientation control of the Wave Glider with uncertain environment disturbances and unknown variable hydrodynamics coefficients: Theory and simulation

H Wen, X Li, Z Liang, B Yao, L Lian - Ocean Engineering, 2023 - Elsevier
This research proposes an Adaptive Sliding Mode Control method to solve the yaw angle
control problem of the Wave Glider with complex uncertain environment disturbances …