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 …

Local controllability of the two-link magneto-elastic micro-swimmer

L Giraldi, JB Pomet - IEEE Transactions on Automatic Control, 2016 - ieeexplore.ieee.org
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 …

Optimal strokes of low Reynolds number linked-sphere swimmers

Q Wang - Applied Sciences, 2019 - mdpi.com
Optimal gait design is important for micro-organisms and micro-robots that propel
themselves in a fluid environment in the absence of external force or torque. The simplest …

Control and controllability of microswimmers by a shearing flow

C Moreau, K Ishimoto, EA Gaffney… - Royal Society Open …, 2021 - royalsocietypublishing.org
With the continuing rapid development of artificial microrobots and active particles,
questions of microswimmer guidance and control are becoming ever more relevant and …

Driving a microswimmer with wall-induced flow

C Moreau, K Ishimoto - Micromachines, 2021 - mdpi.com
Active walls such as cilia and bacteria carpets generate background flows that can influence
the trajectories of microswimmers moving nearby. Recent advances in artificial magnetic …

Optimal strokes at low Reynolds number: a geometric and numerical study of Copepod and Purcell swimmers

P Bettiol, B Bonnard, J Rouot - SIAM Journal on Control and Optimization, 2018 - SIAM
In this article we provide a comparative geometric and numerical analysis of optimal strokes
for two different rigid links swimmer models at low Reynolds number: the copepod swimmer …

Sub-Riemannian geometry, Hamiltonian dynamics, micro-swimmers, copepod nauplii and copepod robot

B Bonnard, M Chyba, J Rouot, D Takagi - Pacific Journal of Mathematics …, 2018 - Springer
The objective of this article is to present the seminal concepts and techniques of Sub-
Riemannian geometry and Hamiltonian dynamics, complemented by adapted software to …

Nonholonomic dynamics of the Twistcar vehicle: asymptotic analysis and hybrid dynamics of frictional skidding

O Halvani, Y Or - Nonlinear Dynamics, 2022 - Springer
The Twistcar vehicle is a classic example of a nonholonomic dynamical system. The vehicle
model consists of two rigid links connected by an actuated rotary joint and supported by …

The -Link Swimmer in Three Dimensions: Controllability and Optimality Results

R Marchello, M Morandotti, H Shum… - Acta Applicandae …, 2022 - Springer
The controllability of a fully three-dimensional N-link swimmer is studied. After deriving the
equations of motion in a low Reynolds number fluid by means of Resistive Force Theory, the …

Optimal control theory and the efficiency of the swimming mechanism of the Copepod Zooplankton

J Rouot, P Bettiol, B Bonnard, A Nolot - IFAC-PapersOnLine, 2017 - Elsevier
In this article, the model of swimming at low Reynolds number introduced by D. Takagi
(2015) to analyze the displacement of an abundant variety of zooplankton is used as a …