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@ -190,7 +190,7 @@ European Synchrotron Radiation Facility (Grenoble, France)
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The advent of $4^{\text{th}}$ generation synchrotron light sources has yielded X-ray beams with a 100-fold increase in brilliance and sub-micron focusing capabilities, offering unprecedented scientific opportunities while necessitating end-stations with enhanced sample positioning accuracy. The $4^{\text{th}}$ generation synchrotron light sources has yielded X-ray beams with a 100-fold increase in brightness and sub-micron focusing capabilities, offering unprecedented scientific opportunities while requiring end-stations with enhanced sample positioning accuracy.
At the European Synchrotron (ESRF), the ID31 beamline features an end-station for positioning samples along complex trajectories. At the European Synchrotron (ESRF), the ID31 beamline features an end-station for positioning samples along complex trajectories.
However, its micrometer-range accuracy, limited by thermal drifts and mechanical vibrations, prevents maintaining the point of interest on the focused beam during experiments. However, its micrometer-range accuracy, limited by thermal drifts and mechanical vibrations, prevents maintaining the point of interest on the focused beam during experiments.
@ -199,7 +199,7 @@ The developed system integrates an external metrology for sample position measur
The design of this system presented key challenges, first of which involved the design process. The design of this system presented key challenges, first of which involved the design process.
To effectively predict how this complex mechatronic system would perform, a series of dynamical models with increasing accuracy were employed. To effectively predict how this complex mechatronic system would perform, a series of dynamical models with increasing accuracy were employed.
These models allowed simulation of the system's behavior at different design stages, identifying potential weaknesses early on before physical construction, ultimately leading to a design that fully satisfies the requirements. These models allowed simulation of the system's behavior at different design stages, identifying potential weaknesses early on before physical construction, ultimately leading to a design that fully satisfies the requirements.
The second challenge stems from control requirements, specifically the need to stabilize samples with masses from $1$ to $50\,\text{kg}$, which necessitated the development of specialized robust control architectures. The second challenge stems from control requirements, specifically the need to stabilize samples with masses from $1$ to $50\,\text{kg}$, which required the development of specialized robust control architectures.
Finally, the developed Nano Active Stabilization System underwent thorough experimental validation on the ID31 beamline, validating both its performance and the underlying concept. Finally, the developed Nano Active Stabilization System underwent thorough experimental validation on the ID31 beamline, validating both its performance and the underlying concept.
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@ -208,7 +208,7 @@ Finally, the developed Nano Active Stabilization System underwent thorough exper
\chapter*{Résumé} \chapter*{Résumé}
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L'avènement des sources de lumière synchrotron de $4^{\text{ème}}$ génération a produit des faisceaux de rayons X avec une brillance multipliée par 100 et des capacités de focalisation sub-microniques, offrant des opportunités scientifiques sans précédent tout en nécessitant des stations expérimentales avec une précision de positionnement d'échantillons améliorée. L'avènement des sources de lumière synchrotron de $4^{\text{ème}}$ génération a produit des faisceaux de rayons X avec une luminosité multipliée par 100 et des capacités de focalisation sub-microniques, offrant des opportunités scientifiques sans précédent tout en nécessitant des stations expérimentales avec une précision de positionnement d'échantillons améliorée.
À l'Installation Européenne de Rayonnement Synchrotron (ESRF), la ligne de lumière ID31 dispose d'une station expérimentale conçue pour positionner des échantillons le long de trajectoires complexes. À l'Installation Européenne de Rayonnement Synchrotron (ESRF), la ligne de lumière ID31 dispose d'une station expérimentale conçue pour positionner des échantillons le long de trajectoires complexes.
Cependant, sa précision de l'ordre du micromètre, limitée par des effets tels que les dérives thermiques et les vibrations mécaniques, empêche de maintenir le point d'intérêt sur le faisceau focalisé durant les expériences. Cependant, sa précision de l'ordre du micromètre, limitée par des effets tels que les dérives thermiques et les vibrations mécaniques, empêche de maintenir le point d'intérêt sur le faisceau focalisé durant les expériences.
@ -239,9 +239,9 @@ Their time, expertise, and careful consideration of my work are greatly apprecia
My time at the Precision Mechatronics Laboratory during the first two years of this project was enriched by interesting discussions and collaborations with Ahmad, Mohit, Jennifer, Vicente, Guoying, and Haidar. My time at the Precision Mechatronics Laboratory during the first two years of this project was enriched by interesting discussions and collaborations with Ahmad, Mohit, Jennifer, Vicente, Guoying, and Haidar.
I am particularly grateful for the opportunity to have worked alongside such talented and dedicated individuals. I am particularly grateful for the opportunity to have worked alongside such talented and dedicated individuals.
Thank you, my friends, for making my stay in Belgium such a wonderful memory. Thank you, my friends, for making my stay in Belgium such a wonderful souvenir.
The subsequent five years at the ESRF were made possible by several key individuals: Veijo Honkimaki (ID31's Scientist), Michael Krish (Head of the Instrumentation Division), Philippe Marion (Head of the Mechanical Engineering Group), and Muriel Magnin-Mattenet (Mechanical Engineer in charge of ID31). The subsequent five years at the ESRF were made possible by several key individuals: Veijo Honkimaki (ID31's Scientist), Michael Krish (Head of the Instrumentation Division), Philippe Marion (Head of the Mechanical Engineering Group), Yves Dabin (Head of the Analysis and Modelling group), and Muriel Magnin-Mattenet (Mechanical Engineer in charge of ID31).
I especially want to acknowledge their efforts in providing me with the resources, facilities, and technical expertise necessary to conduct my research at the ESRF. I especially want to acknowledge their efforts in providing me with the resources, facilities, and technical expertise necessary to conduct my research at the ESRF.
The technical aspects of this work benefited greatly from various collaborations. The technical aspects of this work benefited greatly from various collaborations.
@ -257,7 +257,7 @@ Finally, my profound thanks go to my family and close friends.
To my father, who inspired me to pursue research, and my mother, whose unwavering support has been precious beyond words. To my father, who inspired me to pursue research, and my mother, whose unwavering support has been precious beyond words.
And to Juliette, for being incredibly supportive through the inevitable tough times that are part of the PhD journey. And to Juliette, for being incredibly supportive through the inevitable tough times that are part of the PhD journey.
* TODO Reproducible Research * Reproducible Research
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@ -271,13 +271,13 @@ It is hoped that some aspects of this work may be reused by the synchrotron comm
The fundamental objective has been to ensure that anyone should be capable of reproducing precisely the same results and figures as presented in this manuscript. The fundamental objective has been to ensure that anyone should be capable of reproducing precisely the same results and figures as presented in this manuscript.
To achieve this goal of reproducibility, comprehensive sharing of all elements has been implemented. To achieve this goal of reproducibility, comprehensive sharing of all elements has been implemented.
This includes the mathematical models developed, raw experimental data collected, and scripts utilized to generate the figures. This includes the mathematical models developed, raw experimental data collected, and scripts used to generate the figures.
For those wishing to engage with the reproducible aspects of this work, all data and code are freely accessible in *add zenodo link*. For those wishing to engage with the reproducible aspects of this work, all data and code are freely accessible in *add zenodo link*.
The organization of the code mirrors that of the manuscript, with corresponding chapters and sections. The organization of the code mirrors that of the manuscript, with corresponding chapters and sections.
All materials have been made available under the MIT License, permitting free reuse. All materials have been made available under the MIT License, permitting free reuse.
This approach represents a modest contribution toward a more open, reliable, and collaborative scientific ecosystem. This approach represents a modest contribution towards a more open, reliable, and collaborative scientific ecosystem.
* Grants :ignore: * Grants :ignore: