Tunable stiffness in fish robotics: mechanisms and advantages

D Quinn, G Lauder - Bioinspiration & Biomimetics, 2021 - iopscience.iop.org
One of the emerging themes of fish-inspired robotics is flexibility. Adding flexibility to the
body, joints, or fins of fish-inspired robots can significantly improve thrust and/or efficiency …

A versatile jellyfish-like robotic platform for effective underwater propulsion and manipulation

T Wang, HJ Joo, S Song, W Hu, C Keplinger… - Science Advances, 2023 - science.org
Underwater devices are critical for environmental applications. However, existing prototypes
typically use bulky, noisy actuators and limited configurations. Consequently, they struggle …

Research development on fish swimming

Y Liu, H Jiang - Chinese Journal of Mechanical Engineering, 2022 - Springer
Fishes have learned how to achieve outstanding swimming performance through the
evolution of hundreds of millions of years, which can provide bio-inspiration for robotic fish …

Modulus adaptive lubricating prototype inspired by instant muscle hardening mechanism of catfish skin

Y Zhang, W Zhao, S Ma, H Liu, X Wang, X Zhao… - Nature …, 2022 - nature.com
In nature, living organisms evolve unique functional components with mechanically adaptive
compatibility to cater dynamic change of interface friction/lubrication. This mechanism can …

Electro-mechano responsive elastomers with self-tunable conductivity and stiffness

G Yun, T Cole, Y Zhang, J Zheng, S Sun… - Science …, 2023 - science.org
Materials with programmable conductivity and stiffness offer new design opportunities for
next-generation engineered systems in soft robotics and electronic devices. However …

The role of hydrodynamics in collective motions of fish schools and bioinspired underwater robots

H Ko, G Lauder, R Nagpal - Journal of the Royal Society …, 2023 - royalsocietypublishing.org
Collective behaviour defines the lives of many animal species on the Earth. Underwater
swarms span several orders of magnitude in size, from coral larvae and krill to tunas and …

Stiffening multi-stable origami tubes by outward popping of creases

Z Wo, ET Filipov - Extreme Mechanics Letters, 2023 - Elsevier
In this letter, we study the tunable stiffness and the multi-stability of corrugated tubes
consisting of serially interconnected hexagonal frusta based on the Kresling origami pattern …

Battery-free, wireless, and electricity-driven soft swimmer for water quality and virus monitoring

D Li, J Zhou, Z Zhao, X Huang, H Li, Q Qu, C Zhou… - Science …, 2024 - science.org
Miniaturized mobile electronic system is an effective candidate for in situ exploration of
confined spaces. However, realizing such system still faces challenges in powering issue …

Chain Friction and Lubrication Balanced Ultra‐Tough Polyacrylates With Wide‐Span Switchable Stiffness for Strain‐Programmable Deformation

G Zheng, W Xiong, Y Xu, B Zeng, C Yuan… - Advanced …, 2024 - Wiley Online Library
Natural mollusks perform complex mechanical actions through reversible large‐strain
deformation and stiffness switching, which are challenging to achieve simultaneously in …

A general kinematic model of fish locomotion enables robot fish to master multiple swimming motions

Y Zhong, Z Hong, Y Li, J Yu - IEEE Transactions on Robotics, 2023 - ieeexplore.ieee.org
Fish locomotion which adopts body and/or caudal fin swimming mode consists of different
motions, such as Cruising-straight, Cruising-turn, and various fast turns, among others …