Efficient collective swimming by harnessing vortices through deep reinforcement learning

S Verma, G Novati… - Proceedings of the …, 2018 - National Acad Sciences
Fish in schooling formations navigate complex flow fields replete with mechanical energy in
the vortex wakes of their companions. Their schooling behavior has been associated with …

Learning to school in the presence of hydrodynamic interactions

M Gazzola, AA Tchieu, D Alexeev… - Journal of Fluid …, 2016 - cambridge.org
Schooling, an archetype of collective behaviour, emerges from the interactions of fish
responding to sensory information mediated by their aqueous environment. A fundamental …

In-line swimming dynamics revealed by fish interacting with a robotic mechanism

R Thandiackal, G Lauder - elife, 2023 - elifesciences.org
Schooling in fish is linked to a number of factors such as increased foraging success,
predator avoidance, and social interactions. In addition, a prevailing hypothesis is that …

Hydrodynamic advantages of in-line schooling

M Saadat, F Berlinger, A Sheshmani… - Bioinspiration & …, 2021 - iopscience.iop.org
Fish benefit energetically when swimming in groups, which is reflected in lower tail-beat
frequencies for maintaining a given speed. Recent studies further show that fish save the …

Learning efficient navigation in vortical flow fields

P Gunnarson, I Mandralis, G Novati… - Nature …, 2021 - nature.com
Efficient point-to-point navigation in the presence of a background flow field is important for
robotic applications such as ocean surveying. In such applications, robots may only have …

The hydrodynamic advantages of synchronized swimming in a rectangular pattern

M Daghooghi, I Borazjani - Bioinspiration & biomimetics, 2015 - iopscience.iop.org
Fish schooling is a remarkable biological behavior that is thought to provide hydrodynamic
advantages. Theoretical models have predicted significant reduction in swimming cost due …

Hydrodynamic schooling of flapping swimmers

AD Becker, H Masoud, JW Newbolt, M Shelley… - Nature …, 2015 - nature.com
Fish schools and bird flocks are fascinating examples of collective behaviours in which
many individuals generate and interact with complex flows. Motivated by animal groups on …

Gait switching and targeted navigation of microswimmers via deep reinforcement learning

Z Zou, Y Liu, YN Young, OS Pak… - Communications Physics, 2022 - nature.com
Swimming microorganisms switch between locomotory gaits to enable complex navigation
strategies such as run-and-tumble to explore their environments and search for specific …

Synchronisation through learning for two self-propelled swimmers

G Novati, S Verma, D Alexeev… - Bioinspiration & …, 2017 - iopscience.iop.org
The coordinated motion by multiple swimmers is a fundamental component in fish schooling.
The flow field induced by the motion of each self-propelled swimmer implies non-linear …

Using a robotic platform to study the influence of relative tailbeat phase on the energetic costs of side-by-side swimming in fish

L Li, S Ravi, G Xie, ID Couzin - Proceedings of the …, 2021 - royalsocietypublishing.org
A potential benefit of swimming together in coordinated schools is to allow fish to extract
energy from vortices shed by their neighbours, thus reducing the costs of locomotion. This …