Microscopic robots with onboard digital control
Autonomous robots—systems where mechanical actuators are guided through a series of
states by information processing units to perform a predesigned function—are expected to …
states by information processing units to perform a predesigned function—are expected to …
Hydrodynamics can determine the optimal route for microswimmer navigation
As compared to the well explored problem of how to steer a macroscopic agent, like an
airplane or a moon lander, to optimally reach a target, optimal navigation strategies for …
airplane or a moon lander, to optimally reach a target, optimal navigation strategies for …
Controllability and Optimal Control of Microswimmers: Theory and Applications
C Moreau - Journal of the Physical Society of Japan, 2023 - journals.jps.jp
The process of swimming at the microscopic scale is successfully described as a finite-
dimensional, nonholonomic control system due to negligible inertia in the low-Reynolds …
dimensional, nonholonomic control system due to negligible inertia in the low-Reynolds …
Theoretical perspectives on natural and artificial micro-swimmers
J Liu, Y Fu, X Liu, H Ruan - Acta Mechanica Solida Sinica, 2021 - Springer
The observations of microorganisms revealed how they swim. As inspired by them, studies
on artificial micro-robots with various actuation mechanisms have been thriving. To elucidate …
on artificial micro-robots with various actuation mechanisms have been thriving. To elucidate …
The asymptotic coarse-graining formulation of slender-rods, bio-filaments and flagella
The inertialess fluid–structure interactions of active and passive inextensible filaments and
slender-rods are ubiquitous in nature, from the dynamics of semi-flexible polymers and …
slender-rods are ubiquitous in nature, from the dynamics of semi-flexible polymers and …
[HTML][HTML] Mechanical rotation at low Reynolds number via reinforcement learning
There is growing interest in the development of artificial microscopic machines that can
perform complex maneuvers like swimming microorganisms for potential biomedical …
perform complex maneuvers like swimming microorganisms for potential biomedical …
[HTML][HTML] Morphable structures from unicellular organisms with active, shape-shifting envelopes: Variations on a theme by Gauss
We discuss some recent results on biological and bio-inspired morphing, and use them to
identify promising research directions for the future. In particular, we consider issues related …
identify promising research directions for the future. In particular, we consider issues related …
Steering undulatory micro-swimmers in a fluid flow through reinforcement learning
This work aims at finding optimal navigation policies for thin, deformable microswimmers
that progress in a viscous fluid by propagating a sinusoidal undulation along their slender …
that progress in a viscous fluid by propagating a sinusoidal undulation along their slender …
Peristaltic waves as optimal gaits in metameric bio-inspired robots
D Agostinelli, F Alouges, A DeSimone - Frontiers in Robotics and AI, 2018 - frontiersin.org
Peristalsis, ie, a motion pattern arising from the propagation of muscle contraction and
expansion waves along the body, is a common locomotion strategy for limbless animals …
expansion waves along the body, is a common locomotion strategy for limbless animals …
Local drag of a slender rod parallel to a plane wall in a viscous fluid
L Koens, TD Montenegro-Johnson - Physical Review Fluids, 2021 - APS
The viscous drag on a slender rod by a wall is important to many biological and industrial
systems. This drag critically depends on the separation between the rod and the wall and …
systems. This drag critically depends on the separation between the rod and the wall and …