Results 61 to 70 of about 149,676 (343)

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Research on autonomous underwater vehicle wall following based on reinforcement learning and multi-sonar weighted round robin mode

International Journal of Advanced Robotic Systems, 2020
When autonomous underwater vehicle following the wall, a common problem is interference between sonars equipped in the autonomous underwater vehicle. A novel work mode with weighted polling (which can be also called “weighted round robin mode”) which can
Xiangbin Wang, Guocheng Zhang, Yushan Sun, Lei Wan, Jian Cao   +4 more
doaj   +1 more source

Fully autonomous underwater spy-vehicle

Journal of High School Science, 2023
In recent years, nations have adopted technology as a means to excel. Technological competition among developed countries has begun to filter to the forefront in other fields. Efforts to stay up to date in a geopolitically changing world order include technological advances in military technology.
Ali K Kozluca, Can Demirdelen, Kerem B Bozkurt   +2 more
openaire   +1 more source

Formation Control of Multi‐Agent System with Local Interaction and Artificial Potential Field

Advanced Robotics Research, EarlyView.
This article proposes a local interaction‐based formation control method for Multi‐Agent system, integrating consensus and leader‐follower strategies with a stress response mechanism—artificial potential field to reduce communication overhead and enable obstacle avoidance. Experimental results on triangular, square, and hexagonal formations confirm its
Luoyin Zhao, Zheping Yan, Yuqing Wang, Raye Chen‐Hua Yeow   +3 more
wiley   +1 more source

Finite-time tracking control for autonomous underwater vehicles: An impulsive communication scheme

Advances in Mechanical Engineering, 2017
This article investigates the finite-time dynamical tracking for autonomous underwater vehicles by introducing an impulsive communication scheme. More precisely, the communication of the autonomous underwater vehicles is conducted by the prescribed ...
Chao Ma, Erlong Kang
doaj   +1 more source

UVMS task-priority planning framework for underwater task goal classification optimization

Frontiers in Neurorobotics, 2022
This paper presents a task prioritization strategy based on a generic underwater task goal classification transformation for multitasking underwater operational tasks: attitude control, floating manipulation, collision-free motion, especially optimizing ...
Yu-er Gao, Yu-er Gao, Xiaohui Zhang, Xiaohui Zhang, Yan Su, Yan Su, Jinbao Wang, Jinbao Wang, Qihang Yang, Qihang Yang, Wenqi Bai, Wenqi Bai, Songnan Yang, Songnan Yang   +13 more
doaj   +1 more source

UTact: Underwater Vision‐Based Tactile Sensor with Geometry Reconstruction and Contact Force Estimation

Advanced Robotics Research, EarlyView.
Embedded flexible sensing technologies advance underwater soft robotics, yet most systems still suffer from hysteresis and limited perceptiveness. Instead, vision‐based tactile sensors provide reliable and rapid feedback essential for complex underwater tasks.
Qiyi Zhang, Zonghao Zuo, Haoxuan Wang, Bin Liu, Yilidusi Yilihamu, Li Wen   +5 more
wiley   +1 more source

H control for path tracking of autonomous underwater vehicle motion

Advances in Mechanical Engineering, 2015
In order to simplify the design of path tracking controller and solve the problem relating to nonlinear dynamic model of autonomous underwater vehicle motion planning, feedback linearization method is first adopted to transform the nonlinear dynamic ...
Lin-Lin Wang, Hong-Jian Wang, Li-Xin Pan
doaj   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Active Disturbance Rejection Fuzzy Controller for Roll Stabilization of Autonomous Underwater Vehicle under Wave Disturbance

Discrete Dynamics in Nature and Society, 2015
Considering the case of autonomous underwater vehicle navigating with low speed near water surface, a new method for designing of roll motion controller is proposed in order to restrain wave disturbance effectively and improve roll stabilizing ...
Lin-Lin Wang, Hong-Jian Wang, Li-Xin Pan, Jun-Xi Guo   +3 more
doaj   +1 more source