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In recent years, artificial feet based on soft robotics and under-actuation principles emerged to improve mobility on challenging terrains. This paper presents the application of the MuJoCo physics engine to realize a digital twin of an…

Soft robotics has the potential to revolutionize robotic locomotion, in particular, soft robotic swimmers offer a minimally invasive and adaptive solution to explore and preserve our oceans. Unfortunately, current soft robotic swimmers are…

Bionic underwater robots have demonstrated their superiority in many applications. Yet, training their intelligence for a variety of tasks that mimic the behavior of underwater creatures poses a number of challenges in practice, mainly due…

Robotics · Computer Science 2022-06-06 Wenji Liu , Kai Bai , Xuming He , Shuran Song , Changxi Zheng , Xiaopei Liu

Considering how to make the model accurately understand and follow natural language instructions and perform actions consistent with world knowledge is a key challenge in robot manipulation. This mainly includes human fuzzy instruction…

Robotics · Computer Science 2024-03-21 Pengzhen Ren , Kaidong Zhang , Hetao Zheng , Zixuan Li , Yuhang Wen , Fengda Zhu , Mas Ma , Xiaodan Liang

Model-free deep reinforcement learning algorithms have been shown to be capable of learning a wide range of robotic skills, but typically require a very large number of samples to achieve good performance. Model-based algorithms, in…

Machine Learning · Computer Science 2017-12-05 Anusha Nagabandi , Gregory Kahn , Ronald S. Fearing , Sergey Levine

In the application of underwater creature study, comparing with propeller-powered ROVs and servo motor actuated robotic fish, novel biomimetic fish robot designs with soft actuation structure could interact with aquatic creatures closely…

Robotics · Computer Science 2021-10-15 Ningzhe Hou

Ensuring safe and comfortable bite transfer during robot-assisted feeding is challenging due to the close physical human-robot interaction required. This paper presents a novel approach to modeling physical human-robot interaction in a…

Magnetically actuated fish-like robots offer promising solutions for underwater exploration due to their miniaturization and agility; however, precise control remains a significant challenge because of nonlinear fluid dynamics, flexible fin…

Robotics · Computer Science 2026-03-06 Akiyuki Koyama , Hiroaki Kawashima

The ocean vast unexplored regions and diverse soft-bodied marine organisms have spurred interest in bio-inspired underwater soft robotics. Recent advances have enabled new capabilities in underwater movement, sensing, and interaction.…

Robotics · Computer Science 2025-08-19 Lei Li , Boyang Qin , Wenzhuo Gao , Yanyu Li , Yiyuan Zhang , Bo Wang , Shihan Kong , Jian Wang , Dekui He , Junzhi Yu

Dynamic modeling and control are critical for unleashing soft robots' potential, yet remain challenging due to their complex constitutive behaviors and real-world operating conditions. Bio-inspired musculoskeletal robots, which integrate…

Robotics · Computer Science 2025-11-12 Yinglei Zhu , Xuguang Dong , Qiyao Wang , Qi Shao , Fugui Xie , Xinjun Liu , Huichan Zhao

Swimming microrobots are increasingly developed with complex materials and dynamic shapes and are expected to operate in complex environments in which the system dynamics are difficult to model and positional control of the microrobot is…

Robotics · Computer Science 2022-01-17 Michael R. Behrens , Warren C. Ruder

In narrow, unstructured underwater environments such as environmental monitoring and minimally invasive medical procedures, micro soft robots exhibit unique advantages due to their flexible movement capabilities and small size. At the same…

Robotics · Computer Science 2026-04-22 Jiaqing Chang , Song Gao , Chaowei Dong , zhaobang Li , Yang Liu

Matching the swimming efficiency and agility of fish has remained an elusive goal in underwater robotics. Such locomotion capabilities rely on complex vortex interactions between the robot's body and the surrounding fluid. However,…

Robotics · Computer Science 2026-05-28 Jeong Hun Lee , Junzhe Hu , Sofia Kwok , Carmel Majidi , Zachary Manchester

Fish-inspired aquatic robots are gaining increasing attention in marine robot communities due to their high swimming speeds and efficient propulsion enabled by flexible bodies that generate undulatory motions. To support the design…

Robotics · Computer Science 2025-11-07 Zhiheng Chen , Wei Wang

Robotic fish have attracted growing attention in recent years owing to their biomimetic design and potential applications in environmental monitoring and biological surveys. Among robotic fish employing the Body-Caudal Fin (BCF) locomotion…

Robotics · Computer Science 2026-03-04 Yita Wang , Chen Chen , Yicheng Chen , Jinjie Li , Yuichi Motegi , Kenji Ohkuma , Toshihiro Maki , Moju Zhao

We present Swim2Real, a pipeline that calibrates a 16-parameter robotic fish simulator from swimming videos using vision-language model (VLM) feedback, requiring no hand-designed search stages. Calibrating soft aquatic robots is…

Robotics · Computer Science 2026-03-24 Kevin Qiu , Kyle Walker , Mike Y. Michelis , Marek Cygan , Josie Hughes

In this work we developed a mathematical model and a simulation platform for a fish-inspired robotic template, namely Magnetic, Modular, Undulatory Robotics ($\mu$Bots). Through this platform, we systematically explored the effects of…

Robotics · Computer Science 2021-11-11 Donghao Li , Hankun Deng , Yagiz E. Bayiz , Bo Cheng

The pursuit of agile and efficient underwater robots, especially bio-mimetic robotic fish, has been impeded by challenges in creating motion controllers that are able to fully exploit their hydrodynamic capabilities. This paper addresses…

Robotics · Computer Science 2025-01-13 Xiaozhu Lin , Xiaopei Liu , Yang Wang

Research on untethered micro-swimming robots is growing fast owing to their potential impact on minimally invasive medical procedures. Candidate propulsion mechanisms of robots are based on flagellar mechanisms of microorganisms such as…

Fluid Dynamics · Physics 2017-10-20 Ahmet Fatih Tabak , Serhat Yesilyurt

Subsea exploration, inspection, and intervention operations heavily rely on remotely operated vehicles (ROVs). However, the inherent complexity of the underwater environment presents significant challenges to the operators of these…

Robotics · Computer Science 2024-02-13 Favour O. Adetunji , Niamh Ellis , Maria Koskinopoulou , Ignacio Carlucho , Yvan R. Petillot
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