Can magnetic multilayers propel artificial microswimmers mimicking sperm cells?
We formulate and solve the equations governing the dynamics of a microscopic artificial
swimmer composed of a head and of a tail made of a thin film of permanent magnetic …
swimmer composed of a head and of a tail made of a thin film of permanent magnetic …
Bilevel approaches for learning of variational imaging models
L Calatroni, C Chung, JC De Los Reyes… - Variational Methods: In …, 2017 - degruyter.com
We review some recent learning approaches in variational imaging based on bilevel
optimization and emphasize the importance of their treatment in function space. The paper …
optimization and emphasize the importance of their treatment in function space. The paper …
Self-propulsion of slender micro-swimmers by curvature control: N-link swimmers
We discuss a reduced model to compute the motion of slender swimmers which propel
themselves by propagating a bending wave along their body. Our approach is based on the …
themselves by propagating a bending wave along their body. Our approach is based on the …
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 …
Controllability and optimal strokes for N-link microswimmer
In this paper we focus on the N-link swimmer [1], a generalization of the classical 3-link
Purcell swimmer [18]. We use the Resistive Force Theory to express the equation of motion …
Purcell swimmer [18]. We use the Resistive Force Theory to express the equation of motion …
Local controllability of the two-link magneto-elastic micro-swimmer
A recent promising technique for robotic micro-swimmers is to endow them with a
magnetization and apply an external magnetic field to provoke their deformation. In this …
magnetization and apply an external magnetic field to provoke their deformation. In this …
Optimal strokes for driftless swimmers: A general geometric approach
T Chambrion, L Giraldi, A Munnier - ESAIM: Control, Optimisation …, 2019 - esaim-cocv.org
Swimming consists by definition in propelling through a fluid by means of bodily movements.
Thus, from a mathematical point of view, swimming turns into a control problem for which the …
Thus, from a mathematical point of view, swimming turns into a control problem for which the …
Purcell magneto-elastic swimmer controlled by an external magnetic field
This paper focuses on the mechanism of propulsion of a Purcell swimmer whose segments
are magnetized and react to an external magnetic field applied into the fluid. By an …
are magnetized and react to an external magnetic field applied into the fluid. By an …
The control of particles in the Stokes limit
There are numerous ways to control objects in the Stokes regime, with microscale examples
ranging from the use of optical tweezers to the application of external magnetic fields. In …
ranging from the use of optical tweezers to the application of external magnetic fields. In …
Lagrangian controllability at low Reynolds number
O Glass, T Horsin - ESAIM: Control, Optimisation and Calculus of …, 2016 - esaim-cocv.org
In this paper, we establish a result of Lagrangian controllability for a fluid at low Reynolds
number, driven by the stationary Stokes equation. This amounts to the possibility of …
number, driven by the stationary Stokes equation. This amounts to the possibility of …