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doctoral thesis

Geometric Learning: Leveraging differential geometry for learning and control

Fichera, Bernardo  
2024

In this thesis, we concentrate on advancing high-level behavioral control policies for robotic systems within the framework of Dynamical Systems (DS). Throughout the course of this research, a unifying thread weaving through diverse fields emerges, and that is the fundamental role played by differential geometry. This study delves into various realms of this mathematical framework, with three distinct projects at its core. The first work revolves around graph Laplacian-based embedding space reconstruction, followed by an exploration of chart-based geometry in the second project. The third project shifts its focus towards harmonic analysis in non-Euclidean spaces. These facets of differential geometry, while seemingly distinct, converge in their practical application within the realm of robotics, specifically in the domain of Dynamical Systems (DS) based robot motion generation. The first two projects employ differential geometry tools for the purpose of learning and clustering DS on Euclidean spaces, whereas the third project ventures into the potential domain of learning DS on non-Euclidean spaces, otherwise known as manifolds. Our investigation into a more sophisticated geometry-based formalism is directed not only at enhancing the expressivity and complexity of DS policies for navigating intricate and dynamic real-world scenarios but also at favouring a more profound comprehension of the practical application of rather abstract mathematical concepts in the field of robotics and machine learning.

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Type
doctoral thesis
DOI
10.5075/epfl-thesis-10534
Author(s)
Fichera, Bernardo  
Advisors
Billard, Aude  orcid-logo
Jury

Prof. Maryam Kamgarpour (présidente) ; professeure Aude Billard (directeur de thèse) ; Prof. Colin Jones, Prof. Alin Albu-Schäffer, Prof. Roberto Calandra (rapporteurs)

Date Issued

2024

Publisher

EPFL

Publisher place

Lausanne

Public defense year

2024-07-01

Thesis number

10534

Total of pages

167

Subjects

machine learning

•

dynamical system

•

robotics

•

control

•

differential geometry

•

manifold

•

graph

•

Gaussian processes

•

Bayesian optimization

EPFL units
LASA  
Faculty
STI  
School
IEM  
Doctoral School
EDRS  
Available on Infoscience
June 19, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/208786
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