2019
|
Bougatef, Zina SUPERVISION SUR LES SYSTEMES A RETARD : DIAGNOSTIC ET COMMANDE TOLERANTE AUX ́DEFAUTS Thèse ENIG, 2019. @phdthesis{ZinaBougatef2019,
title = {SUPERVISION SUR LES SYSTEMES A RETARD : DIAGNOSTIC ET COMMANDE TOLERANTE AUX ́DEFAUTS},
author = {Zina Bougatef},
url = {https://macs.tn/macs/wp-content/uploads/2019/05/th\`{e}se-zina-bougatef-001.pdf
https://macs.tn/macs/wp-content/uploads/2019/05/th\`{e}se-zina-bougatef-resume.pdf},
year = {2019},
date = {2019-04-25},
address = {ENIG},
school = {ENIG},
abstract = {This work focuses on model-based fault diagnosis as well as fault-tolerant control of time-delayed Singularly Perturbed Systems (SPS) and Linear Parameter-Varying (LPV) with delay. Stability analysis is performed based on the Lyapunov-Krasovskii theory. Observers are dedicated either to state estimation or to fault detection. Two methods of diagnosis are applied for fault detection and isolation. For LPV systems, the developed approaches have been applied to two examples of real processes ; a truck trailer and a Polymer Electrolyte Membrane Fuel Cell (PEMFC). Then, two types of Fault Tolerant Control (FTC) are used to maintain the stability of delayed SPS even in the presence of faults such as trajectory tracking (PI control) and output-feedback control. Simulation examples illustrate these contributions.
Keywords : Diagnosis ; Fault Tolerant Control ; Delayed SPS ; LPV delayed systems.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
This work focuses on model-based fault diagnosis as well as fault-tolerant control of time-delayed Singularly Perturbed Systems (SPS) and Linear Parameter-Varying (LPV) with delay. Stability analysis is performed based on the Lyapunov-Krasovskii theory. Observers are dedicated either to state estimation or to fault detection. Two methods of diagnosis are applied for fault detection and isolation. For LPV systems, the developed approaches have been applied to two examples of real processes ; a truck trailer and a Polymer Electrolyte Membrane Fuel Cell (PEMFC). Then, two types of Fault Tolerant Control (FTC) are used to maintain the stability of delayed SPS even in the presence of faults such as trajectory tracking (PI control) and output-feedback control. Simulation examples illustrate these contributions.
Keywords : Diagnosis ; Fault Tolerant Control ; Delayed SPS ; LPV delayed systems. |
ACHNIB, Asma Développement de la commande CRONE avec effet anticipatif robuste Thèse ENIG et Université de Bordeaux, 2019, (Thèse en cotutelle). @phdthesis{AchnibAsma2019these,
title = {D\'{e}veloppement de la commande CRONE avec effet anticipatif robuste},
author = {Asma ACHNIB},
url = {https://macs.tn/macs/wp-content/uploads/2019/05/Rapport-Th\`{e}se-Asma-21-05-2019-001.pdf
https://macs.tn/macs/wp-content/uploads/2019/05/Rapport-Th\`{e}se-Asma-21-05-2019-Tunis-202.pdf
https://macs.tn/macs/wp-content/uploads/2019/05/presentation_Asma.png},
year = {2019},
date = {2019-04-25},
address = {ENIG},
school = {ENIG et Universit\'{e} de Bordeaux},
abstract = {Le travail pr\'{e}sent\'{e} dans cette th\`{e}se s’inscrit dans le cadre de l’\'{e}tude de l’efficacit\'{e}
de la commande CRONE avec effet anticipatif robuste dans les probl\`{e}mes de poursuite
et de r\'{e}gulation pour les syst\`{e}mes monovariables et multivariables. L’objectif de
l’anticipation est de concevoir des algorithmes de commande capables de minimiser un
crit\`{e}re quadratique bas\'{e} sur l’erreur entre la sortie du syst\`{e}me et le signal de r\'{e}f\'{e}rence
avec mod\'{e}ration du niveau du signal de commande. La solution propos\'{e}e repose sur
l’association d’une commande robuste de type feedback `a une commande anticipative
de type feedforward. L’action feedforward utilise un filtre anticipatif synth\'{e}tis\'{e} dans le
domaine fr\'{e}quentiel en utilisant des crit\`{e}res d’optimalit\'{e} et de contraintes de type H2
et H∞. La r\'{e}duction du nombre de param\`{e}tres du filtre anticipatif en utilisant une
p\'{e}riode d’\'{e}chantillonnage plus lente a \'{e}t\'{e} trait\'{e}e. Des exemples acad\'{e}miques illustrent
les d\'{e}veloppements th\'{e}oriques. Une application pratique sur un syst\`{e}me de r\'{e}gulation
hydraulique a montr\'{e} la pertinence de cette nouvelle approche.
Mots cl\'{e}s : Commande anticipative, syst\`{e}mes `a temps discret, commande robuste, filtre
anticipatif, H2, H∞.
Abstract
The work presented in this thesis is part of the study of the effectiveness of CRONE
control with anticipative effect in the problems of tracking and control for monovariable
and multivariable systems. The anticipation objective is to design a control algorithm that
minimizes a quadratic error between the reference and the output of the system and at
the same time achieve a good level of the control signal. The proposed solution combines a
robust feedback control with a feedforward control. The feedforward action uses optimality
criteria and an anticipative filter which is designed in the frequency domain using a mix
of H2 et H∞ constraints. The reduction of the number of parameters of the anticipative
filter by using a slower sampling period for the anticipative filter is treated. Academic
examples highlight the theoretical developments. A practical application on a hydraulic
control system has shown the efficiency of the developed approach.
Keywords : preview control, discrete-time systems, robust control, feedforward filter,
H2, H∞.},
note = {Th\`{e}se en cotutelle},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Le travail présenté dans cette thèse s’inscrit dans le cadre de l’étude de l’efficacité
de la commande CRONE avec effet anticipatif robuste dans les problèmes de poursuite
et de régulation pour les systèmes monovariables et multivariables. L’objectif de
l’anticipation est de concevoir des algorithmes de commande capables de minimiser un
critère quadratique basé sur l’erreur entre la sortie du système et le signal de référence
avec modération du niveau du signal de commande. La solution proposée repose sur
l’association d’une commande robuste de type feedback `a une commande anticipative
de type feedforward. L’action feedforward utilise un filtre anticipatif synthétisé dans le
domaine fréquentiel en utilisant des critères d’optimalité et de contraintes de type H2
et H∞. La réduction du nombre de paramètres du filtre anticipatif en utilisant une
période d’échantillonnage plus lente a été traitée. Des exemples académiques illustrent
les développements théoriques. Une application pratique sur un système de régulation
hydraulique a montré la pertinence de cette nouvelle approche.
Mots clés : Commande anticipative, systèmes `a temps discret, commande robuste, filtre
anticipatif, H2, H∞.
Abstract
The work presented in this thesis is part of the study of the effectiveness of CRONE
control with anticipative effect in the problems of tracking and control for monovariable
and multivariable systems. The anticipation objective is to design a control algorithm that
minimizes a quadratic error between the reference and the output of the system and at
the same time achieve a good level of the control signal. The proposed solution combines a
robust feedback control with a feedforward control. The feedforward action uses optimality
criteria and an anticipative filter which is designed in the frequency domain using a mix
of H2 et H∞ constraints. The reduction of the number of parameters of the anticipative
filter by using a slower sampling period for the anticipative filter is treated. Academic
examples highlight the theoretical developments. A practical application on a hydraulic
control system has shown the efficiency of the developed approach.
Keywords : preview control, discrete-time systems, robust control, feedforward filter,
H2, H∞. |
Mizouri, Walid Contribution à la conception, la modélisation et la commande d’un quadricoptère Thèse ENIG, 2019. @phdthesis{Mizouri2019,
title = {Contribution \`{a} la conception, la mod\'{e}lisation et la commande d’un quadricopt\`{e}re},
author = {Walid Mizouri},
url = {https://macs.tn/macs/wp-content/uploads/2019/02/presentation-Walid-Mizouri.png},
year = {2019},
date = {2019-02-02},
address = {ENIG},
school = {ENIG},
abstract = {This work deals with the design, modeling and control of quadrotor UAV. Firstly a definition, applications and a classification of Unmanned Areal Vehicle UAV are given. The motion of the quadrotor UAV is also detailed. Then the developed quadrotor test prototype is described. The dynamic model of the prototype is derived using three different approaches. The first method is based on mathematical developing. The open loop modeling approach is then applied. An other method based on the frequency identification method is proposed. Secondly the control system is designed based on PID controller, IMC control strategy and Fractional PID approach to stabilize the quadrotor system. The PID controller is applied to the real prototype and validated with an experimental flight test.
Keywords
Quadrotor, dynamic modeling, Frequency identification, Fractional PID controller, InternalModel Control IMC.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
This work deals with the design, modeling and control of quadrotor UAV. Firstly a definition, applications and a classification of Unmanned Areal Vehicle UAV are given. The motion of the quadrotor UAV is also detailed. Then the developed quadrotor test prototype is described. The dynamic model of the prototype is derived using three different approaches. The first method is based on mathematical developing. The open loop modeling approach is then applied. An other method based on the frequency identification method is proposed. Secondly the control system is designed based on PID controller, IMC control strategy and Fractional PID approach to stabilize the quadrotor system. The PID controller is applied to the real prototype and validated with an experimental flight test.
Keywords
Quadrotor, dynamic modeling, Frequency identification, Fractional PID controller, InternalModel Control IMC. |
Hamdi, Saif Eddine CONTRIBUTIONS A L’IDENTIFICATION DES SYSTÈMES PAR MODÈLE NON ENTIER DANS UN CONTEXTE A ERREURS BORNÉES PAR UNE APPROCHE ORTHOTOPIQUE Thèse ENIG, 2019. @phdthesis{Hamdi2019,
title = {CONTRIBUTIONS A L’IDENTIFICATION DES SYST\`{E}MES PAR MOD\`{E}LE NON ENTIER DANS UN CONTEXTE A ERREURS BORN\'{E}ES PAR UNE APPROCHE ORTHOTOPIQUE},
author = {Saif Eddine Hamdi},
url = {https://macs.tn/macs/wp-content/uploads/2019/02/Presentation-saifeddineHamdi.pnghttps://macs.tn/macs/wp-content/uploads/2019/02/Th\`{e}se-saifEddineHamdi.png},
year = {2019},
date = {2019-02-02},
address = {ENIG},
school = {ENIG},
abstract = {This work deals with the set-membership identification of fractional order systems in
a bounded error context. The main contributions of this work are based on the orthotopic
approach. In the first part, the main definitions and properties of fractional derivation and
integration operators have been recalled. The classical identification methods of fractional linear
time-invariant systems in a statistical context, as well as its limitations, have been presented. In
the second part, the identification in bounded errors context using the orthotopic approach has
been developed. Several methods and optimizations have been developed such as the orthotopic
filter, the linear programming and the recirculation of the data in several directions. In the third
part, the orthotopic approach for the identification of fractional systems has been developed
and adapted to linear parameter-varying system in a bounded error context. Several numerical
examples have been used to validate proposed methods.
Keywords
Fractional differentiation, LTI system, LPV system, bounded error, identification, orthotopic
methods.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
This work deals with the set-membership identification of fractional order systems in
a bounded error context. The main contributions of this work are based on the orthotopic
approach. In the first part, the main definitions and properties of fractional derivation and
integration operators have been recalled. The classical identification methods of fractional linear
time-invariant systems in a statistical context, as well as its limitations, have been presented. In
the second part, the identification in bounded errors context using the orthotopic approach has
been developed. Several methods and optimizations have been developed such as the orthotopic
filter, the linear programming and the recirculation of the data in several directions. In the third
part, the orthotopic approach for the identification of fractional systems has been developed
and adapted to linear parameter-varying system in a bounded error context. Several numerical
examples have been used to validate proposed methods.
Keywords
Fractional differentiation, LTI system, LPV system, bounded error, identification, orthotopic
methods. |
Ethabet, Haifa Synthèse dóbservateurs intervalles pour les systèmes linéaires à commutations : application au diagnostic Thèse ENIG, 2019. @phdthesis{EthabetThese2019,
title = {Synth\`{e}se d\'{o}bservateurs intervalles pour les syst\`{e}mes lin\'{e}aires \`{a} commutations : application au diagnostic},
author = {Haifa Ethabet},
url = {https://macs.tn/macs/wp-content/uploads/2019/02/Th\`{e}se-Haifa-ETHABET.pdf
https://macs.tn/macs/wp-content/uploads/2019/02/These_Thabet-Presentation.png},
year = {2019},
date = {2019-02-02},
school = {ENIG},
abstract = {The research work presented in this thesis deals with the diagnosis of switched systems by set-membership approaches. A state of the art for the diagnosis and observation techniques as well as the design methods of interval observers is presented. Thus, the report of this thesis is split into two parts. Firstly, interval observers for switched linear systems are developed. These observers provide a guaranteed set that contains all the admissible values of the state. The disturbances and the measurement noise are supposed to be unknown, but bounded with a priori known bounds. Secondly, approaches of diagnosis are proposed based on interval residual generation using interval observers. These contributions are validated through numerical simulations.
Keywords : Diagnosis, interval observers, switched systems, positivity, stability.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
The research work presented in this thesis deals with the diagnosis of switched systems by set-membership approaches. A state of the art for the diagnosis and observation techniques as well as the design methods of interval observers is presented. Thus, the report of this thesis is split into two parts. Firstly, interval observers for switched linear systems are developed. These observers provide a guaranteed set that contains all the admissible values of the state. The disturbances and the measurement noise are supposed to be unknown, but bounded with a priori known bounds. Secondly, approaches of diagnosis are proposed based on interval residual generation using interval observers. These contributions are validated through numerical simulations.
Keywords : Diagnosis, interval observers, switched systems, positivity, stability. |
Sdiri, Fatma Etudes sur les méthodes de détection et de commande tolérante aux défauts pour les machines synchrones à aimants permanents Thèse 2019. @phdthesis{Fatma2019,
title = {Etudes sur les m\'{e}thodes de d\'{e}tection et de commande tol\'{e}rante aux d\'{e}fauts pour les machines synchrones \`{a} aimants permanents},
author = {Fatma Sdiri},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Houda, NAJEH Diagnostic du système bâtiment: Nouveaux défis Thèse 2019. @phdthesis{Houda2019,
title = {Diagnostic du syst\`{e}me b\^{a}timent: Nouveaux d\'{e}fis},
author = {NAJEH Houda},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Takwa, OMRANI Investigation du crime électronique: Application de la fusion de données pour la détection díntrusions Thèse 2019. @phdthesis{Tahkoua2019,
title = {Investigation du crime \'{e}lectronique: Application de la fusion de donn\'{e}es pour la d\'{e}tection d\'{i}ntrusions},
author = {OMRANI Takwa},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Radwen, BAHRI Contribution à la navigation et la perception des robots mobiles Thèse 2019. @phdthesis{Radwen2019,
title = {Contribution \`{a} la navigation et la perception des robots mobiles},
author = {BAHRI Radwen},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Halima, ATITALLAH Diagnostic et commande tolérantes aux défauts des systèmes dórdre non entier à retard Thèse 2019. @phdthesis{Halima2019,
title = {Diagnostic et commande tol\'{e}rantes aux d\'{e}fauts des syst\`{e}mes d\'{o}rdre non entier \`{a} retard},
author = {ATITALLAH Halima},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Aymen, ELGHOUL Sur la commande tolérante aux défauts de systèmes non linéaire: Application aux systèmes robotisés Thèse 2019. @phdthesis{Aymen2019,
title = {Sur la commande tol\'{e}rante aux d\'{e}fauts de syst\`{e}mes non lin\'{e}aire: Application aux syst\`{e}mes robotis\'{e}s},
author = {ELGHOUL Aymen},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Wiem, BENABDALLAH Modélisation et commande d’une prothèse active Thèse 2019. @phdthesis{Wiem2019,
title = {Mod\'{e}lisation et commande d'une proth\`{e}se active},
author = {BENABDALLAH Wiem},
year = {2019},
date = {2019-01-01},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
2018
|
Marwa, HOUIJI Optimisation des performances de diagnostic et de commande tolérante aux défauts des systèmes stochastiques Thèse ENIG, 2018. @phdthesis{HOUIJI2018,
title = {Optimisation des performances de diagnostic et de commande tol\'{e}rante aux d\'{e}fauts des syst\`{e}mes stochastiques},
author = {HOUIJI Marwa},
url = {https://macs.tn/macs/wp-content/uploads/2019/01/These_MarwaHouijji.pdf
https://macs.tn/macs/wp-content/uploads/2019/01/PPT-Houijji.png},
year = {2018},
date = {2018-12-29},
school = {ENIG},
abstract = {Abstract
The general theme of this thesis concerns the optimization of diagnostic module
performance and therefore fault-tolerant control of stochastic systems.
In the first part, a robust residue generation method based on the RTSK filter for a stochastic
system with a single actuator or sensor fault and the ARThSKF filter for a stochastic system
with simultaneous actuator and sensor faults in the presence of unknown inputs is performed.
In the second part, a new method of residual evaluation using an adaptive threshold based on the
Bayes test and gray theory is developed to ensure optimal performance in terms of detection time,
false alarm rate and non-detection rate . A new isolation method based on double localization
is presented.
Finally, the optimal diagnostic module is used to apply a corrective law based on the additive and
LQG method. The proposed method guaranteed the stability of the system after accommodation
and verifies the speed of performance recovery.
Keywords Fault Detection and Diagnosis, Fault Tolerant Control, Stochastic System,
Performance Optimization, Adaptive Threshold, Delayed Detection, false alarm.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Abstract
The general theme of this thesis concerns the optimization of diagnostic module
performance and therefore fault-tolerant control of stochastic systems.
In the first part, a robust residue generation method based on the RTSK filter for a stochastic
system with a single actuator or sensor fault and the ARThSKF filter for a stochastic system
with simultaneous actuator and sensor faults in the presence of unknown inputs is performed.
In the second part, a new method of residual evaluation using an adaptive threshold based on the
Bayes test and gray theory is developed to ensure optimal performance in terms of detection time,
false alarm rate and non-detection rate . A new isolation method based on double localization
is presented.
Finally, the optimal diagnostic module is used to apply a corrective law based on the additive and
LQG method. The proposed method guaranteed the stability of the system after accommodation
and verifies the speed of performance recovery.
Keywords Fault Detection and Diagnosis, Fault Tolerant Control, Stochastic System,
Performance Optimization, Adaptive Threshold, Delayed Detection, false alarm. |
Thouraya, SALEM Contribution à l’identification des systèmes par modèle non entier à paramètres variants Thèse ENIG, 2018. @phdthesis{SALEM2018,
title = {Contribution \`{a} l’identification des syst\`{e}mes par mod\`{e}le non entier \`{a} param\`{e}tres variants},
author = {SALEM Thouraya},
url = {https://macs.tn/macs/wp-content/uploads/2019/01/These_SalemT.pdf
https://macs.tn/macs/wp-content/uploads/2019/01/ppt-Salem.png},
year = {2018},
date = {2018-12-29},
school = {ENIG},
abstract = {R\'{e}sum\'{e}
Les principaux travaux de recherches de cette th\`{e}se concernent l’identification des syst\`{e}mes Lin\'{e}aires \`{a} Param\`{e}tres Variants non entiers \`{a} temps continu. Dans un premier temps, deux classes de m\'{e}thodes sont d\'{e}velopp\'{e}es : une bas\'{e}e sur les m\'{e}thodes des moindres carr\'{e}s, et l’autre bas\'{e}e sur la m\'{e}thode de variable instrumentale. Ainsi, deux cas peuvent ont \'{e}t\'{e} envisag\'{e}s : le premier cas suppose que tous les ordres de d\'{e}rivation sont connus \`{a} priori et seuls les coefficients de l’\'{e}quation diff\'{e}rentielle non enti\`{e}re du mod\`{e}le lin\'{e}aires \`{a} param\`{e}tres variants sont estim\'{e}s. Le second cas suppose que tous les ordres de d\'{e}rivation sont inconnus et estim\'{e}s au m\^{e}me titre que les coefficients. Dans un deuxi\`{e}me temps, la variable de s\'{e}quencement est suppos\'{e}e mesurable. Une m\'{e}thode est d\'{e}velopp\'{e}e, d\'{e}di\'{e}e \`{a} l’estimation des param\`{e}tres ainsi que les ordres de d\'{e}rivation non enti\`{e}res de ces mod\`{e}les `a temps continu. Le principe de compensation de biais d’estimation est introduit en se basant sur la m\'{e}thode de variable instrumentale. Des simulations illustrent les performances des approches propos\'{e}es.
Mots cl\'{e}s : D\'{e}rivation non enti\`{e}re, syst\`{e}mes LPV, identification, moindres carr\'{e}s, variable
instrumentale, mod\`{e}les continus.
Abstract
This research work aims at studying the identification of fractional Linear Parameter varying Systems in continuous-time. At first, two classes of methods are developed : the first one is based on the least squares methods, and the second one is based on the instrumental variable method. Thus, two cases have been considered. Firstly, all the fractional derivation orders are assumed to be a priori known and only the coefficients of the fractional differential equation of the continuous time LPV model are estimated. Secondly, both fractional differential equation coefficients and differentiation order are estimated. Then, the scheduling variable is supposed to be measurable. A method is developed, dedicated to estimate the parameters as well as the fractional derivation orders of the continuous time linear parameter varying model. The bias compensated principle is introduced based on the instrumental variable method. Simulations illustrate the performance of the proposed approaches.
Keywords
Fractional differentiation, LPV system, system identification, least squares, instrumental variable, continuous time.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Résumé
Les principaux travaux de recherches de cette thèse concernent l’identification des systèmes Linéaires à Paramètres Variants non entiers à temps continu. Dans un premier temps, deux classes de méthodes sont développées : une basée sur les méthodes des moindres carrés, et l’autre basée sur la méthode de variable instrumentale. Ainsi, deux cas peuvent ont été envisagés : le premier cas suppose que tous les ordres de dérivation sont connus à priori et seuls les coefficients de l’équation différentielle non entière du modèle linéaires à paramètres variants sont estimés. Le second cas suppose que tous les ordres de dérivation sont inconnus et estimés au même titre que les coefficients. Dans un deuxième temps, la variable de séquencement est supposée mesurable. Une méthode est développée, dédiée à l’estimation des paramètres ainsi que les ordres de dérivation non entières de ces modèles `a temps continu. Le principe de compensation de biais d’estimation est introduit en se basant sur la méthode de variable instrumentale. Des simulations illustrent les performances des approches proposées.
Mots clés : Dérivation non entière, systèmes LPV, identification, moindres carrés, variable
instrumentale, modèles continus.
Abstract
This research work aims at studying the identification of fractional Linear Parameter varying Systems in continuous-time. At first, two classes of methods are developed : the first one is based on the least squares methods, and the second one is based on the instrumental variable method. Thus, two cases have been considered. Firstly, all the fractional derivation orders are assumed to be a priori known and only the coefficients of the fractional differential equation of the continuous time LPV model are estimated. Secondly, both fractional differential equation coefficients and differentiation order are estimated. Then, the scheduling variable is supposed to be measurable. A method is developed, dedicated to estimate the parameters as well as the fractional derivation orders of the continuous time linear parameter varying model. The bias compensated principle is introduced based on the instrumental variable method. Simulations illustrate the performance of the proposed approaches.
Keywords
Fractional differentiation, LPV system, system identification, least squares, instrumental variable, continuous time. |
Taouba, RHOUMA FILTRAGE DES SYSTEMES STOCHASTIQUES A ENTREES INCONNUES: APPLICATION A LA DETECTION ET L’ESTIMATION DES CYBER-ATTAQUES Thèse ENIG, 2018. @phdthesis{RHOUMA2018,
title = {FILTRAGE DES SYSTEMES STOCHASTIQUES A ENTREES INCONNUES: APPLICATION A LA DETECTION ET L’ESTIMATION DES CYBER-ATTAQUES},
author = {RHOUMA Taouba},
year = {2018},
date = {2018-12-19},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Slim, HAMDI ANALYSE DYNAMIQUE ET TECHNIQUES DE CONTROLE DES MANIPULATEURS FLEXIBLES Thèse ENIG, 2018. @phdthesis{HAMDI2018,
title = {ANALYSE DYNAMIQUE ET TECHNIQUES DE CONTROLE DES MANIPULATEURS FLEXIBLES},
author = {HAMDI Slim},
year = {2018},
date = {2018-12-19},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
MATOUI, Fethi CONTRIBUTION A LA PLANIFICATION DE TRAJECTOIRE D’UN SYSTÈME MULTI-ROBOTS DANS UN MILIEU DYNAMIQUE Thèse ENIG, 2018. @phdthesis{MATOUI2018,
title = {CONTRIBUTION A LA PLANIFICATION DE TRAJECTOIRE D’UN SYST\`{E}ME MULTI-ROBOTS DANS UN MILIEU DYNAMIQUE},
author = {Fethi MATOUI},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/these_METOUI-724x1024.jpg
https://macs.tn/macs/wp-content/uploads/2018/11/presentation_Matoui.png},
year = {2018},
date = {2018-12-18},
school = {ENIG},
abstract = {R\'{e}sum\'{e}: Ce sujet de th\`{e}se concerne la planification de trajectoires d\&39;\'{e}tude de planification a \'{e}t\'{e} effectu\'{e}e dans un
environnement "sans obstacle" et "avec obstacle", en se basant sur la technique de champ de
potentiel artificiel. Cette technique permet d\&39;application et conduit \`{a} des trajectoires optimales.
\'{E}galement, pour les syst\`{e}mes multi-robots mobiles, l\&39;architecture de planification sont propos\'{e}es: architecture d\'{e}centralis\'{e}e,
architecture centralis\'{e}e et architecture hi\'{e}rarchis\'{e}e.
Mots cl\'{e}s: Robotique, Robot mobile, Planification de trajectoire, champ de potentiel artificiel,
syst\`{e}me multi-robots, Environnement dynamique.
Abstract : This thesis topic concerns the planning of trajectories of a mobile multi-robot
system in a dynamic environment. The planning study was conducted in a "barrier-free" and
"with obstacle" environment, based on the artificial potential field technique. This technique
makes it possible to obtain attractive and repulsive force profiles adapted to the needs of the
application and leads to optimal trajectories. Also, for multi-robot mobile systems, one of the
main technical considerations is the technique used to coordinate the movements of different
robots. So, three types of planning architecture are proposed: decentralized architecture,
centralized architecture and hierarchical architecture.
Keywords : Robotics, Mobile robot, Path planning, Artificial potential field, Multi-robot
system, Dynamic environment.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Résumé: Ce sujet de thèse concerne la planification de trajectoires d&39;étude de planification a été effectuée dans un
environnement "sans obstacle" et "avec obstacle", en se basant sur la technique de champ de
potentiel artificiel. Cette technique permet d&39;application et conduit à des trajectoires optimales.
Également, pour les systèmes multi-robots mobiles, l&39;architecture de planification sont proposées: architecture décentralisée,
architecture centralisée et architecture hiérarchisée.
Mots clés: Robotique, Robot mobile, Planification de trajectoire, champ de potentiel artificiel,
système multi-robots, Environnement dynamique.
Abstract : This thesis topic concerns the planning of trajectories of a mobile multi-robot
system in a dynamic environment. The planning study was conducted in a "barrier-free" and
"with obstacle" environment, based on the artificial potential field technique. This technique
makes it possible to obtain attractive and repulsive force profiles adapted to the needs of the
application and leads to optimal trajectories. Also, for multi-robot mobile systems, one of the
main technical considerations is the technique used to coordinate the movements of different
robots. So, three types of planning architecture are proposed: decentralized architecture,
centralized architecture and hierarchical architecture.
Keywords : Robotics, Mobile robot, Path planning, Artificial potential field, Multi-robot
system, Dynamic environment. |
Manel, FITOURI Contribution à la commande de la Machine synchrone à aimants permanents par la méthode des éléments finis Thèse ENIG, 2018. @phdthesis{FITOURI2018,
title = {Contribution \`{a} la commande de la Machine synchrone \`{a} aimants permanents par la m\'{e}thode des \'{e}l\'{e}ments finis},
author = {FITOURI Manel},
year = {2018},
date = {2018-11-17},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Radhia, ETTOUIL Sur le Diagnostic et la Commande Tolérante aux Défauts : Approche Synergétique Thèse ENIG, 2018. @phdthesis{ETTOUIL2018,
title = {Sur le Diagnostic et la Commande Tol\'{e}rante aux D\'{e}fauts : Approche Synerg\'{e}tique},
author = {ETTOUIL Radhia},
year = {2018},
date = {2018-11-17},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Noussaiba, Gasmi Observation et commande d’une classe de systèmes non linéaires à temps discret Thèse ENIG, Université de Loraine, 2018, (Cotutelle). @phdthesis{Gasmi2018,
title = {Observation et commande d’une classe de syst\`{e}mes non lin\'{e}aires \`{a} temps discret},
author = {Gasmi Noussaiba},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/Soutenance_NGasmi.png},
year = {2018},
date = {2018-11-14},
urldate = {2018-11-20},
school = {ENIG, Universit\'{e} de Loraine},
abstract = {R\'{e}sum\'{e}
L’analyse et la synth\`{e}se des syst\`{e}mes dynamiques ont connu un d\'{e}veloppement important
au cours des derni\`{e}res d\'{e}cennies comme l’atteste le nombre consid\'{e}rable des travaux
publi\'{e}s dans ce domaine, et continuent d’\^{e}tre un axe de recherche r\'{e}guli\`{e}rement explor\'{e}.
Si la plupart des travaux concernent les syst\`{e}mes lin\'{e}aires et non lin\'{e}aires temps continu,
peu de r\'{e}sultats ont \'{e}taient \'{e}tablis dans le cas temps discret. Les travaux de cette th\`{e}se
portent sur l’observation et la commande d’une classe de syst\`{e}mes non lin\'{e}aires \`{a} temps
discret. Dans un premier temps, le probl\`{e}me de synth\`{e}se d’observateur d’\'{e}tat utilisant
une fen\^{e}tre de mesures glissante a \'{e}t\'{e} abord\'{e}. Des conditions de stabilit\'{e} et de robustesse
moins restrictives ont \'{e}t\'{e} d\'{e}duites. Ainsi, deux classes de syst\`{e}mes non lin\'{e}aires \`{a} temps
discret ont \'{e}t\'{e} \'{e}tudi\'{e}es : Les syst\`{e}mes de type Lipschitz et les syst\`{e}mes « one-sided Lipschitz
». Ensuite, une approche duale a \'{e}t\'{e} explor\'{e}e afin de d\'{e}duire une loi de commande
stabilisante bas\'{e}e sur un observateur. Les conditions d’existence d’un observateur et d’un
contr\^{o}leur stabilisant les syst\`{e}mes \'{e}tudi\'{e}s ont \'{e}t\'{e} formul\'{e}es sous forme d’un probl\`{e}me
d’optimisation LMI. L’efficacit\'{e} et la validit\'{e} des approches pr\'{e}sent\'{e}es sont montr\'{e}es \`{a}
travers quelques exemples acad\'{e}miques.
Mots-cl\'{e}s: Syst\`{e}mes \`{a} temps discret, Syst\`{e}mes Lipschitz, Syst\`{e}mes « one-sided Lipschitz »,
Optimisation LMI, Stabilit\'{e} au sens de Lyapunov, Filtrage H1, Approche avec fen\^{e}tre glissante,
Commande bas\'{e}e-observateur, Commande robuste, Crit\`{e}re H1, Incertitudes param\'{e}triques.
Abstract
The analysis and synthesis of dynamic systems has undergone significant development
in recent decades, as illustrated by the considerable number of published works in
this field, and continue to be a research theme regularly explored. While most of the work
concerns linear and nonlinear continuous-time systems, few results have been established
in the discrete-time case. This thesis deals with the observation and control of a class of
nonlinear discrete-time systems. At first, the problem of state observer synthesis using a
sliding window of measurements was discussed. Non-restrictive stability and robustness
conditions have been deduced. Thus, two classes of discrete time nonlinear systems have
been studied : Lipschitz systems and one-side Lipschitz systems. Then, a dual approach
was explored to derive a stabilizing control law based on observer-based state feedback.
The conditions for the existence of an observer and a controller stabilizing the studied
classes of nonlinear systems were expressed in term of LMI. The effectiveness and validity
of the proposed approaches are shown through numerical examples.
Keywords: Discrete-time systems, Lipschitz systems, One-sided Lipschitz systems, LMI optimization,
Lyapunov Stability, H1 filtering, Sliding window approach, Observer-based control,
Robust control, H1 criterion, Parametric uncertainties.},
note = {Cotutelle},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Résumé
L’analyse et la synthèse des systèmes dynamiques ont connu un développement important
au cours des dernières décennies comme l’atteste le nombre considérable des travaux
publiés dans ce domaine, et continuent d’être un axe de recherche régulièrement exploré.
Si la plupart des travaux concernent les systèmes linéaires et non linéaires temps continu,
peu de résultats ont étaient établis dans le cas temps discret. Les travaux de cette thèse
portent sur l’observation et la commande d’une classe de systèmes non linéaires à temps
discret. Dans un premier temps, le problème de synthèse d’observateur d’état utilisant
une fenêtre de mesures glissante a été abordé. Des conditions de stabilité et de robustesse
moins restrictives ont été déduites. Ainsi, deux classes de systèmes non linéaires à temps
discret ont été étudiées : Les systèmes de type Lipschitz et les systèmes « one-sided Lipschitz
». Ensuite, une approche duale a été explorée afin de déduire une loi de commande
stabilisante basée sur un observateur. Les conditions d’existence d’un observateur et d’un
contrôleur stabilisant les systèmes étudiés ont été formulées sous forme d’un problème
d’optimisation LMI. L’efficacité et la validité des approches présentées sont montrées à
travers quelques exemples académiques.
Mots-clés: Systèmes à temps discret, Systèmes Lipschitz, Systèmes « one-sided Lipschitz »,
Optimisation LMI, Stabilité au sens de Lyapunov, Filtrage H1, Approche avec fenêtre glissante,
Commande basée-observateur, Commande robuste, Critère H1, Incertitudes paramétriques.
Abstract
The analysis and synthesis of dynamic systems has undergone significant development
in recent decades, as illustrated by the considerable number of published works in
this field, and continue to be a research theme regularly explored. While most of the work
concerns linear and nonlinear continuous-time systems, few results have been established
in the discrete-time case. This thesis deals with the observation and control of a class of
nonlinear discrete-time systems. At first, the problem of state observer synthesis using a
sliding window of measurements was discussed. Non-restrictive stability and robustness
conditions have been deduced. Thus, two classes of discrete time nonlinear systems have
been studied : Lipschitz systems and one-side Lipschitz systems. Then, a dual approach
was explored to derive a stabilizing control law based on observer-based state feedback.
The conditions for the existence of an observer and a controller stabilizing the studied
classes of nonlinear systems were expressed in term of LMI. The effectiveness and validity
of the proposed approaches are shown through numerical examples.
Keywords: Discrete-time systems, Lipschitz systems, One-sided Lipschitz systems, LMI optimization,
Lyapunov Stability, H1 filtering, Sliding window approach, Observer-based control,
Robust control, H1 criterion, Parametric uncertainties. |
Samah, YAHIA ANALYSE, SEGMENTATION ET CLASSIFICATION DES IMAGES 3D Thèse ENIG, 2018. @phdthesis{YAHIA2018,
title = {ANALYSE, SEGMENTATION ET CLASSIFICATION DES IMAGES 3D},
author = {YAHIA Samah},
year = {2018},
date = {2018-11-10},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Lazhar, WARDI Mohamed Contribution à la Commande Non Entière des Systèmes Non Linéaires : Approche par Perturbations singulières et Approche Multimodèles Thèse ENIG, 2018. @phdthesis{WARDI2018,
title = {Contribution \`{a} la Commande Non Enti\`{e}re des Syst\`{e}mes Non Lin\'{e}aires : Approche par Perturbations singuli\`{e}res et Approche Multimod\`{e}les},
author = {WARDI Mohamed Lazhar},
url = {https://macs.tn/macs/wp-content/uploads/2018/12/MED_WARDI_-1juin_2018.pdf},
year = {2018},
date = {2018-06-30},
school = {ENIG},
abstract = {Le th\`{e}me g\'{e}n\'{e}ral de cette th\`{e}se concerne la synth\`{e}se d’un r\'{e}gulateur non entier de type PID
et CRONE pour des syst\`{e}mes non lin\'{e}aires en utilisant l’approche des Perturbations Singuli\`{e}res
et l’approche Multimod\`{e}les.
Suite aux d\'{e}finitions et principales propri\'{e}t\'{e}s des op\'{e}rateurs d’int\'{e}gration et de d\'{e}rivation
non enti\`{e}res et grˆace \`{a} la m\'{e}thode d’approximation d’op\'{e}rateurs non entiers, on a pu appliquer
la commande CRONE de premi\`{e}re g\'{e}n\'{e}ration au cas d’un syst\`{e}me singuli\`{e}rement perturb\'{e} \`{a}
deux dynamiques lente et rapide.
Par la suite, des m\'{e}thodes de synth\`{e}se robuste du r\'{e}gulateur P IαDβ ont\'{e}t\'{e} pr\'{e}sent\'{e}es et
ce en vue de proposer une strat\'{e}gie de synth\`{e}se non enti\`{e}re par la technique des perturbations
singuli\`{e}res pour un syst\`{e}me non lin\'{e}aire pour assurer la poursuite d’un mod\`{e}le d\'{e}sir\'{e} non entier.
Celle-ci a pu assurer un bon rejet de perturbation. Une \'{e}tude d’un processus hydraulique non
lin\'{e}aire nous a permis d’illustrer cette approche.
Enfin, la commande CRONE de premi\`{e}re g\'{e}n\'{e}ration est propos\'{e}e pour un processus non
lin\'{e}aire approxim\'{e} par des multimod\`{e}les d’ordre un, les r\'{e}sultats \'{e}taient incitants pour mettre
en \oeuvre une nouvelle approche de commande de ce type de syst\`{e}mes en utilisant cette fois les
r\'{e}gulateurs P Iα de type non entier. Une robustesse vis \`{a} vis du comportement non lin\'{e}aire est
assur\'{e}e
Mots cl\'{e}s : Commande non enti\`{e}re, syst\`{e}me non lin\'{e}aire, robustesse, technique des
perturbations singuli\`{e}res, approche multimod\`{e}les.
Abstract
This work deals with the design of a fractional PID and CRONE controller for nonlinear
systems using the Singular Perturbations approach and the Multimodel approach.
Definitions and main properties of the fractional operators are given. So, the approximation
method allowed us to apply the first generation CRONE control in the case of a singularly
perturbed system with two slow and fast dynamics.
Then, design methods of robust controller P IαDβ have been studied in order to propose a
fractional control strategy using the singular perturbation method for a nonlinear system. This
control ensure the tracking of a desired fractional model as well as to have a good rejection of
disturbance. Then, a study of a nonlinear hydraulic process has illustrate this approach.
Finally, the first-generation CRONE control is proposed for a nonlinear process approximated
by first-order multimodeles, the results were hopeful to implement a new control approach for
this type of systems using here the non integer P Iα regulators.
Keywords : Fractional order controller, nonlinear systems, robustness, singular
perturbations technique, multimodel approach.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Le thème général de cette thèse concerne la synthèse d’un régulateur non entier de type PID
et CRONE pour des systèmes non linéaires en utilisant l’approche des Perturbations Singulières
et l’approche Multimodèles.
Suite aux définitions et principales propriétés des opérateurs d’intégration et de dérivation
non entières et grˆace à la méthode d’approximation d’opérateurs non entiers, on a pu appliquer
la commande CRONE de première génération au cas d’un système singulièrement perturbé à
deux dynamiques lente et rapide.
Par la suite, des méthodes de synthèse robuste du régulateur P IαDβ ontété présentées et
ce en vue de proposer une stratégie de synthèse non entière par la technique des perturbations
singulières pour un système non linéaire pour assurer la poursuite d’un modèle désiré non entier.
Celle-ci a pu assurer un bon rejet de perturbation. Une étude d’un processus hydraulique non
linéaire nous a permis d’illustrer cette approche.
Enfin, la commande CRONE de première génération est proposée pour un processus non
linéaire approximé par des multimodèles d’ordre un, les résultats étaient incitants pour mettre
en œuvre une nouvelle approche de commande de ce type de systèmes en utilisant cette fois les
régulateurs P Iα de type non entier. Une robustesse vis à vis du comportement non linéaire est
assurée
Mots clés : Commande non entière, système non linéaire, robustesse, technique des
perturbations singulières, approche multimodèles.
Abstract
This work deals with the design of a fractional PID and CRONE controller for nonlinear
systems using the Singular Perturbations approach and the Multimodel approach.
Definitions and main properties of the fractional operators are given. So, the approximation
method allowed us to apply the first generation CRONE control in the case of a singularly
perturbed system with two slow and fast dynamics.
Then, design methods of robust controller P IαDβ have been studied in order to propose a
fractional control strategy using the singular perturbation method for a nonlinear system. This
control ensure the tracking of a desired fractional model as well as to have a good rejection of
disturbance. Then, a study of a nonlinear hydraulic process has illustrate this approach.
Finally, the first-generation CRONE control is proposed for a nonlinear process approximated
by first-order multimodeles, the results were hopeful to implement a new control approach for
this type of systems using here the non integer P Iα regulators.
Keywords : Fractional order controller, nonlinear systems, robustness, singular
perturbations technique, multimodel approach. |
SBIT, Selma Analyse des Interférences en Réseaux Mobiles 4G (LTE-Advanced) Thèse ENIG, 2018. @phdthesis{SBIT2018,
title = {Analyse des Interf\'{e}rences en R\'{e}seaux Mobiles 4G (LTE-Advanced)},
author = {Selma SBIT},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/PagedeTitre_sbit-724x1024.jpg
https://macs.tn/macs/wp-content/uploads/2018/11/SBIT-1024x576.jpg},
year = {2018},
date = {2018-05-26},
school = {ENIG},
abstract = {L’objectif de ce travail de th\`{e}se de doctorat est principalement l’analyse des interf\'{e}rences dans
les r\'{e}seaux mobiles de quatri\`{e}me g\'{e}n\'{e}ration. Dans une premi\`{e}re partie, on fait une analyse des
interf\'{e}rences dans les r\'{e}seaux cellulaires classiques de deuxi\`{e}me et de troisi\`{e}me g\'{e}n\'{e}ration. Une
\'{e}valuation des interf\'{e}rences intra et intercellulaires est faite tout en consid\'{e}rant une topologie
r\'{e}seaux dont le motif cellulaire comporte sept cellules. Les simulations sont r\'{e}alis\'{e}es dans un
milieu urbain en faisant varier le nombre des utilisateurs actifs dans la cellule servante de 10
\`{a} 30 utilisateurs. Dans une deuxi\`{e}me partie, on aborde le probl\`{e}me d’interf\'{e}rences en r\'{e}seaux
mobiles de quatri\`{e}me g\'{e}n\'{e}ration. Dans ce cadre, deux techniques de r\'{e}duction des interf\'{e}rences
apr\`{e}s analyse dans le domaine fr\'{e}quentiel, temporel et celui du contr\^{o}le de puissance sont
propos\'{e}es. Enfin, la derni\`{e}re section pr\'{e}sentera les r\'{e}sultats des simulations obtenus pour diverses
et diff\'{e}rentes situations de la vie quotidienne.
Mots clefs
R\'{e}seaux Mobiles, LTE-Advanced, Interf\'{e}rence, Femto cellule, R\'{e}utilisation de fr\'{e}quence,
Rapport Signal sur Interf\'{e}rence plus Bruit.
Abstract
The main objective of this work is to describe the interference drawback in fourth
generation mobile networks. The first section presents an interference analysis in the classic
cellular networks named second and third generations is made. Simulations are carried out in
urban environment while varying served users from 10 to 30 users. In a second section, we
address the problem of interference in fourth generation mobile networks. In this context, two
interference reduction techniques based on the frequency domain, time domain and that of power
control are proposed. The last section will mainly show simulation results. The reader would
be more satisfice over various experiments and essays that will consider main and various daily
encountered situations.
Keywords
Mobiles Networks, LTE-Advanced, Interference, Femtocell, Frequency Reuse, Signal to
Interference plus Noise Ratio.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
L’objectif de ce travail de thèse de doctorat est principalement l’analyse des interférences dans
les réseaux mobiles de quatrième génération. Dans une première partie, on fait une analyse des
interférences dans les réseaux cellulaires classiques de deuxième et de troisième génération. Une
évaluation des interférences intra et intercellulaires est faite tout en considérant une topologie
réseaux dont le motif cellulaire comporte sept cellules. Les simulations sont réalisées dans un
milieu urbain en faisant varier le nombre des utilisateurs actifs dans la cellule servante de 10
à 30 utilisateurs. Dans une deuxième partie, on aborde le problème d’interférences en réseaux
mobiles de quatrième génération. Dans ce cadre, deux techniques de réduction des interférences
après analyse dans le domaine fréquentiel, temporel et celui du contrôle de puissance sont
proposées. Enfin, la dernière section présentera les résultats des simulations obtenus pour diverses
et différentes situations de la vie quotidienne.
Mots clefs
Réseaux Mobiles, LTE-Advanced, Interférence, Femto cellule, Réutilisation de fréquence,
Rapport Signal sur Interférence plus Bruit.
Abstract
The main objective of this work is to describe the interference drawback in fourth
generation mobile networks. The first section presents an interference analysis in the classic
cellular networks named second and third generations is made. Simulations are carried out in
urban environment while varying served users from 10 to 30 users. In a second section, we
address the problem of interference in fourth generation mobile networks. In this context, two
interference reduction techniques based on the frequency domain, time domain and that of power
control are proposed. The last section will mainly show simulation results. The reader would
be more satisfice over various experiments and essays that will consider main and various daily
encountered situations.
Keywords
Mobiles Networks, LTE-Advanced, Interference, Femtocell, Frequency Reuse, Signal to
Interference plus Noise Ratio. |
jarray Chadia, Contribution du Caching en Réseaux de Communications Mobiles Thèse ENIG, 2018. @phdthesis{jarray2018,
title = {Contribution du Caching en R\'{e}seaux de Communications Mobiles},
author = {jarray Chadia},
year = {2018},
date = {2018-04-21},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Hajer, NAJJARI Diagnostic et commande tolérante aux défauts: approches graphiques Thèse ENIG, 2018. @phdthesis{NAJJARI2018,
title = {Diagnostic et commande tol\'{e}rante aux d\'{e}fauts: approches graphiques},
author = {NAJJARI Hajer},
year = {2018},
date = {2018-04-21},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Sourour, TRAB Définition d’un modèle d’aide à la décision logistique et à la sécurité exploitant une communauté d’ d’objets Communicants Thèse ENIG, 2018. @phdthesis{TRAB2018,
title = {D\'{e}finition d’un mod\`{e}le d’aide \`{a} la d\'{e}cision logistique et \`{a} la s\'{e}curit\'{e} exploitant une communaut\'{e} d’ d’objets Communicants},
author = {TRAB Sourour},
year = {2018},
date = {2018-04-14},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
2017
|
AJEMNI, Henda Sur la modélisation et le diagnostic de défauts des processus chimiques : approche hypergraphe Thèse ENIG, 2017. @phdthesis{AJEMNI2017,
title = {Sur la mod\'{e}lisation et le diagnostic de d\'{e}fauts des processus chimiques : approche hypergraphe},
author = {Henda AJEMNI},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
LAMOUCHI, Rihab Contributions à l’observation et à la commande tolérante aux fautes des systèmes incertains Thèse ENIG-CNAM Paris, 2017. @phdthesis{LAMOUCHI2017,
title = {Contributions \`{a} l’observation et \`{a} la commande tol\'{e}rante aux fautes des syst\`{e}mes incertains},
author = {Rihab LAMOUCHI},
url = {https://tel.archives-ouvertes.fr/tel-01683146
https://macs.tn/macs/wp-content/uploads/2018/11/These_Riheb_lammouchi-717x1024.png
https://macs.tn/macs/wp-content/uploads/2018/11/Slide1-1024x709.jpg
https://macs.tn/macs/wp-content/uploads/2018/11/These_Riheb_lammouchi-717x1024.png},
year = {2017},
date = {2017-01-01},
school = {ENIG-CNAM Paris},
abstract = {R\'{e}sum\'{e}
Les travaux de recherche pr\'{e}sent\'{e}s dans ce m\'{e}moire portent sur la synth\`{e}se d\'{o}bservateurs intervalles pour la commande tol\'{e}rante aux fautes de syst\`{e}mes incertains. La pr\'{e}sence de d\'{e}fauts, d\'{i}ncertitudes et de perturbations peut provoquer des r\'{e}actions ind\'{e}sirables du syst\`{e}me command\'{e}. Dans ce contexte, nous avons d\'{e}velopp\'{e} deux approches de commande tol\'{e}rante aux fautes bas\'{e}es sur des observateurs intervalles dans le cas o\`{u} les d\'{e}fauts et les incertitudes sont inconnus mais born\'{e}s. La premi\`{e}re approche, dite passive, permet de garantir la stabilit\'{e} du syst\`{e}me en boucle ferm\'{e}e y compris en pr\'{e}sence de d\'{e}fauts actionneurs et/ou composants. La seconde approche, dite active, permet de compenser l\'{e}ffet des d\'{e}fauts et d\'{a}ssurer la stabilit\'{e} et les performances d\'{e}sir\'{e}es du syst\`{e}me. Ces contributions sont valid\'{e}es par des simulations num\'{e}riques.
The research work presented in this thesis focuses on the design of interval observers for fault-tolerant control of uncertain systems. The presence of faults, uncertainties and disturbances in automated systems often causes undesirable reactions. In this context, two approaches of fault tolerant control have been developed based on interval observers in the case where the faults and the uncertainties are unknown but bounded. The first approach is passive and consists in ensuring the closed loop system stability even in the presence of actuator and/or component faults. The second approach, an active one, compensates the fault effect and ensures the system stability and desired performances. These contributions are validated through numerical simulations.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Résumé
Les travaux de recherche présentés dans ce mémoire portent sur la synthèse dóbservateurs intervalles pour la commande tolérante aux fautes de systèmes incertains. La présence de défauts, díncertitudes et de perturbations peut provoquer des réactions indésirables du système commandé. Dans ce contexte, nous avons développé deux approches de commande tolérante aux fautes basées sur des observateurs intervalles dans le cas où les défauts et les incertitudes sont inconnus mais bornés. La première approche, dite passive, permet de garantir la stabilité du système en boucle fermée y compris en présence de défauts actionneurs et/ou composants. La seconde approche, dite active, permet de compenser léffet des défauts et dássurer la stabilité et les performances désirées du système. Ces contributions sont validées par des simulations numériques.
The research work presented in this thesis focuses on the design of interval observers for fault-tolerant control of uncertain systems. The presence of faults, uncertainties and disturbances in automated systems often causes undesirable reactions. In this context, two approaches of fault tolerant control have been developed based on interval observers in the case where the faults and the uncertainties are unknown but bounded. The first approach is passive and consists in ensuring the closed loop system stability even in the presence of actuator and/or component faults. The second approach, an active one, compensates the fault effect and ensures the system stability and desired performances. These contributions are validated through numerical simulations. |
bel Fraj, Ghazi Haj Estimation et commande décentralisée pour les systèmes de grandes dimensions. Application au réseaux électriques. Thèse ENIG-CRAN, 2017. @phdthesis{GhazibelHajFraj2017,
title = {Estimation et commande d\'{e}centralis\'{e}e pour les syst\`{e}mes de grandes dimensions. Application au r\'{e}seaux \'{e}lectriques.},
author = {Ghazi Haj bel Fraj},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/These_Ghazi-725x1024.png},
year = {2017},
date = {2017-01-01},
school = {ENIG-CRAN},
abstract = {Les travaux de cette th\`{e}se portent sur l’estimation et la commande d\'{e}centralis\'{e}e des syst\`{e}mes
de grandes dimensions. L’objectif est de d\'{e}velopper des capteurs logiciels pouvant produire une
estimation fiable des variables n\'{e}cessaires pour la stabilisation des syst\`{e}mes non lin\'{e}aires interconnect\'{e}s.
Une d\'{e}composition d’un tel syst\`{e}me de grande dimension en un ensemble de n soussyst\`{e}mes
interconnect\'{e}s est primordiale. Ensuite, en tenant compte de la nature du sous-syst\`{e}me
ainsi que les fonctions d’interconnexions, des lois de commande d\'{e}centralis\'{e}es bas\'{e}es observateurs
ont \'{e}t\'{e} synth\'{e}tis\'{e}es. Chaque loi de commande est associ\'{e}e \`{a} un sous-syst\`{e}me qui permet de le
stabiliser localement, ainsi la stabilit\'{e} du syst\`{e}me global est assur\'{e}e. L’existence d’un observateur
et d’un contr\^{o}leur stabilisant le syst\`{e}me d\'{e}pend de la faisabilit\'{e} d’un probl\`{e}me d’optimisation
LMI. La formulation LMI, bas\'{e}e sur l’approche de Luyapunov, est \'{e}labor\'{e}e par l’utilisation de
principe de DMVT sur la fonction d’interconnexion non lin\'{e}aire suppos\'{e}e born\'{e}e et incertaine.
Ainsi des conditions de synth\`{e}se non restrictives sont obtenues. Des m\'{e}thodes de synth\`{e}se de loi
de commande d\'{e}centralis\'{e}e bas\'{e}e observateur ont \'{e}t\'{e} propos\'{e}es pour les syst\`{e}mes non lin\'{e}aires
interconnect\'{e}s dans le cas continu et dans le cas discret. Des lois de commande robuste H1
d\'{e}centralis\'{e}es sont \'{e}labor\'{e}es pour les syst\`{e}mes non lin\'{e}aires interconnect\'{e}s en pr\'{e}sence de perturbations
et des incertitudes param\'{e}triques. L’efficacit\'{e} et la validation des approches pr\'{e}sent\'{e}es
sont test\'{e}es sur un mod\`{e}le de r\'{e}seaux \'{e}lectriques compos\'{e} de trois g\'{e}n\'{e}rateurs interconnect\'{e}s.
Mots-cl\'{e}s: Syst\`{e}me de grande dimension, Syst\`{e}me non lin\'{e}aire interconnect\'{e}, Commande bas\'{e}e observateur
d\'{e}centralis\'{e}e, Th\'{e}or\`{e}me d’accroissement fini, Optimisation LMI, Stabilit\'{e} au sens de Lyapunov,
Commande robuste, Filtrage H1.
Abstract
This thesis focuses on the decentralized estimation and control for large scale systems.
The objective is to develop software sensors that can produce a reliable estimate of the variables
necessary for the interconnected nonlinear systems stability analysis. A decomposition of
a such large system into a set of n interconnected subsystems is paramount for model simplification.
Then, taking into account the nature of the subsystem as well as the interconnected
functions, observer-based decentralized control laws have been synthesized. Each control law is
associated with a subsystem which allows it to be locally stable, thus the stability of the overall
system is ensured. The existence of an observer and a controller gain matrix stabilizing the
system depends on the feasibility of an LMI optimization problem. The LMI formulation, based
on Luyapunov approach, is elaborated by applying the DMVT technique on the nonlinear interconnection
function, assumed to be bounded and uncertain. Thus, non-restrictive synthesis
conditions are obtained. Observer-based decentralized control schemes have been proposed for
nonlinear interconnected systems in the continuous and discrete time. Robust H1 decentralized
controllers are provided for interconnected nonlinear systems in the presence of perturbations and
parametric uncertainties. Effectiveness of the proposed schemes are verified through simulation
results on a power systems with interconnected machines
Keywords: Large Scale Systems, Non linear interconnected system, Observer based decentralized control,
Differential Mean Value Theorem, LMI optimization, Lyapunoc Stability, Robust control, H1 filtering},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Les travaux de cette thèse portent sur l’estimation et la commande décentralisée des systèmes
de grandes dimensions. L’objectif est de développer des capteurs logiciels pouvant produire une
estimation fiable des variables nécessaires pour la stabilisation des systèmes non linéaires interconnectés.
Une décomposition d’un tel système de grande dimension en un ensemble de n soussystèmes
interconnectés est primordiale. Ensuite, en tenant compte de la nature du sous-système
ainsi que les fonctions d’interconnexions, des lois de commande décentralisées basées observateurs
ont été synthétisées. Chaque loi de commande est associée à un sous-système qui permet de le
stabiliser localement, ainsi la stabilité du système global est assurée. L’existence d’un observateur
et d’un contrôleur stabilisant le système dépend de la faisabilité d’un problème d’optimisation
LMI. La formulation LMI, basée sur l’approche de Luyapunov, est élaborée par l’utilisation de
principe de DMVT sur la fonction d’interconnexion non linéaire supposée bornée et incertaine.
Ainsi des conditions de synthèse non restrictives sont obtenues. Des méthodes de synthèse de loi
de commande décentralisée basée observateur ont été proposées pour les systèmes non linéaires
interconnectés dans le cas continu et dans le cas discret. Des lois de commande robuste H1
décentralisées sont élaborées pour les systèmes non linéaires interconnectés en présence de perturbations
et des incertitudes paramétriques. L’efficacité et la validation des approches présentées
sont testées sur un modèle de réseaux électriques composé de trois générateurs interconnectés.
Mots-clés: Système de grande dimension, Système non linéaire interconnecté, Commande basée observateur
décentralisée, Théorème d’accroissement fini, Optimisation LMI, Stabilité au sens de Lyapunov,
Commande robuste, Filtrage H1.
Abstract
This thesis focuses on the decentralized estimation and control for large scale systems.
The objective is to develop software sensors that can produce a reliable estimate of the variables
necessary for the interconnected nonlinear systems stability analysis. A decomposition of
a such large system into a set of n interconnected subsystems is paramount for model simplification.
Then, taking into account the nature of the subsystem as well as the interconnected
functions, observer-based decentralized control laws have been synthesized. Each control law is
associated with a subsystem which allows it to be locally stable, thus the stability of the overall
system is ensured. The existence of an observer and a controller gain matrix stabilizing the
system depends on the feasibility of an LMI optimization problem. The LMI formulation, based
on Luyapunov approach, is elaborated by applying the DMVT technique on the nonlinear interconnection
function, assumed to be bounded and uncertain. Thus, non-restrictive synthesis
conditions are obtained. Observer-based decentralized control schemes have been proposed for
nonlinear interconnected systems in the continuous and discrete time. Robust H1 decentralized
controllers are provided for interconnected nonlinear systems in the presence of perturbations and
parametric uncertainties. Effectiveness of the proposed schemes are verified through simulation
results on a power systems with interconnected machines
Keywords: Large Scale Systems, Non linear interconnected system, Observer based decentralized control,
Differential Mean Value Theorem, LMI optimization, Lyapunoc Stability, Robust control, H1 filtering |
BAKIR, Tahani Algorithmes de diagnostic des défauts des systèmes dynamiques non linéaires à bases des ondelettes et des réseaux de neurones : application à l’éolienne Thèse ENIG, 2017. @phdthesis{BAKIR2017,
title = {Algorithmes de diagnostic des d\'{e}fauts des syst\`{e}mes dynamiques non lin\'{e}aires \`{a} bases des ondelettes et des r\'{e}seaux de neurones : application \`{a} l’\'{e}olienne},
author = {Tahani BAKIR},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
MOHAMED, Sameh BEN Contribution à la modélisation et à l’identification 1D, 2D et LPV d’une unité de production d’acide phosphorique. Thèse ENIG, 2017. @phdthesis{benMOHAMED2017,
title = {Contribution \`{a} la mod\'{e}lisation et \`{a} l’identification 1D, 2D et LPV d’une unit\'{e} de production d’acide phosphorique.},
author = {Sameh BEN MOHAMED},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
SAOUDI, Ghada Détection robuste de défauts à base d’observateurs : approche bond graph Thèse ENIG, 2017. @phdthesis{SAOUDI2017,
title = {D\'{e}tection robuste de d\'{e}fauts \`{a} base d’observateurs : approche bond graph},
author = {Ghada SAOUDI},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Morshed, DERBALI Fault Detection and Diagnosis using machine learning techniques : a water desalination case study. Thèse ENIG, 2017. @phdthesis{DERBALI2017,
title = {Fault Detection and Diagnosis using machine learning techniques : a water desalination case study.},
author = {DERBALI Morshed},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Olfa, HRIZI Contribution au diagnostic coopératif d’un groupe de robots mobiles Thèse ENIG, 2017. @phdthesis{HRIZI2017,
title = {Contribution au diagnostic coop\'{e}ratif d’un groupe de robots mobiles},
author = {HRIZI Olfa},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Marwa, SAIHI Détection des défauts distribués dans un réseau de capteurs sans fil : approche markovienne. Thèse ENIG, 2017. @phdthesis{SAIHI2017,
title = {D\'{e}tection des d\'{e}fauts distribu\'{e}s dans un r\'{e}seau de capteurs sans fil : approche markovienne.},
author = {SAIHI Marwa},
year = {2017},
date = {2017-01-01},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
2016
|
Amina, BEN HMED ANALYSES TEMPORELLE ET FRÉQUENTIELLE DES SYSTÈMES ÉLÉMENTAIRES D’ORDRE NON ENTIER : APPLICATION A LA COMMANDE Thèse ENIG, 2016. @phdthesis{BENHMED2016,
title = {ANALYSES TEMPORELLE ET FR\'{E}QUENTIELLE DES SYST\`{E}MES \'{E}L\'{E}MENTAIRES D’ORDRE NON ENTIER : APPLICATION A LA COMMANDE},
author = {BEN HMED Amina},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/Presentation_Amina_benhmed.png
https://macs.tn/macs/wp-content/uploads/2018/11/2016-2-724x1024.png
https://macs.tn/rapport_these_amina_ben_hmed_macs/},
year = {2016},
date = {2016-12-26},
school = {ENIG},
abstract = {Abstract
This work deals with the frequency-domain and the time-domain analysis of elementary
fractional systems.
Firstly, definitions, the main properties of the fractional operators and the different
representations of fractional system are given. Stability theorem of the non-commensurate
fractional order system is developed in terms of the fractional order and the pseudo-damping
factor. Secondly, an overall study of frequency-domain and time-domain performances is done
for the different elementary transfer function. Also, frequency-domain and time- domain curves
are established in terms of the fractional order and the pseudo-damping factor. The poles effect
on the system behavior is treated. In order to obtain a minimum settling time, the optimal
parameters are determined. Finally, a new approach based on the elementary transfer function
is developed to design a robust stabilizing fractional order integrator for uncertain first order
systems with and without integration.
Keywords
Fractional elementary system, stability, resonance, control, fractional regulator, robust stability,
uncertain system.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Abstract
This work deals with the frequency-domain and the time-domain analysis of elementary
fractional systems.
Firstly, definitions, the main properties of the fractional operators and the different
representations of fractional system are given. Stability theorem of the non-commensurate
fractional order system is developed in terms of the fractional order and the pseudo-damping
factor. Secondly, an overall study of frequency-domain and time-domain performances is done
for the different elementary transfer function. Also, frequency-domain and time- domain curves
are established in terms of the fractional order and the pseudo-damping factor. The poles effect
on the system behavior is treated. In order to obtain a minimum settling time, the optimal
parameters are determined. Finally, a new approach based on the elementary transfer function
is developed to design a robust stabilizing fractional order integrator for uncertain first order
systems with and without integration.
Keywords
Fractional elementary system, stability, resonance, control, fractional regulator, robust stability,
uncertain system. |
Basma, YOUSFI CONTRIBUTIONS A L’OBSERVATION ET AU PRONOSTIC DES SYSTÈMES INCERTAINS Thèse ENIG, 2016. @phdthesis{YOUSFI2016,
title = {CONTRIBUTIONS A L’OBSERVATION ET AU PRONOSTIC DES SYST\`{E}MES INCERTAINS},
author = {YOUSFI Basma},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-10-724x1024.png},
year = {2016},
date = {2016-12-26},
school = {ENIG},
abstract = {The research work presented in this thesis deals with the diagnosis of switched
systems by set-membership approaches. A state of the art for the diagnosis and observation
techniques as well as the design methods of interval observers is presented. Thus, the
report of this thesis is split into two parts. Firstly, interval observers for switched linear
systems are developed. These observers provide a guaranteed set that contains all the
admissible values of the state. The disturbances and the measurement noise are supposed
to be unknown, but bounded with a priori known bounds. Secondly, approaches of
diagnosis are proposed based on interval residual generation using interval observers.
These contributions are validated through numerical simulations.
Keywords : Diagnosis, interval observers, switched systems, cooperativity, stability.},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
The research work presented in this thesis deals with the diagnosis of switched
systems by set-membership approaches. A state of the art for the diagnosis and observation
techniques as well as the design methods of interval observers is presented. Thus, the
report of this thesis is split into two parts. Firstly, interval observers for switched linear
systems are developed. These observers provide a guaranteed set that contains all the
admissible values of the state. The disturbances and the measurement noise are supposed
to be unknown, but bounded with a priori known bounds. Secondly, approaches of
diagnosis are proposed based on interval residual generation using interval observers.
These contributions are validated through numerical simulations.
Keywords : Diagnosis, interval observers, switched systems, cooperativity, stability. |
Manel, ATITALLAH DIAGNOSTIC DE DÉFAUTS PAR DES APPROCHES ÉNERGÉTIQUES : FORMALISME HAMILTONIEN-GRAPHE INFORMATIONNEL CAUSAL Thèse ENIG, 2016. @phdthesis{ATITALLAH2016,
title = {DIAGNOSTIC DE D\'{E}FAUTS PAR DES APPROCHES \'{E}NERG\'{E}TIQUES : FORMALISME HAMILTONIEN-GRAPHE INFORMATIONNEL CAUSAL},
author = {ATITALLAH Manel},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-1.png},
year = {2016},
date = {2016-12-24},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Rahma, SMAILI ALGORITHMES DE DIAGNOSTIC DE DÉFAUTS DES SYSTÈMES MULTI-ENERGIES PAR GRAPHE ORIENTÉ SIGNÉ Thèse ENIG, 2016. @phdthesis{SMAILI2016,
title = {ALGORITHMES DE DIAGNOSTIC DE D\'{E}FAUTS DES SYST\`{E}MES MULTI-ENERGIES PAR GRAPHE ORIENT\'{E} SIGN\'{E}},
author = {SMAILI Rahma},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-7-724x1024.png},
year = {2016},
date = {2016-12-24},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Adel, NAOUI Sur la Conception Sûre des Systèmes Contrôlés en Réseau Thèse ENIG – Univ. Reims, 2016. @phdthesis{NAOUI2016,
title = {Sur la Conception S\^{u}re des Syst\`{e}mes Contr\^{o}l\'{e}s en R\'{e}seau},
author = {NAOUI Adel},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-6.png},
year = {2016},
date = {2016-12-19},
school = {ENIG - Univ. Reims},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Rihab, ABDELKRIM WARDI CONTRIBUTION A LA COMMANDE DES SYSTÈMES NON LINÉAIRES QUASI-LPV AVEC OU SANS RETARD Thèse ENIG, 2016. @phdthesis{RihabWARDI2016b,
title = {CONTRIBUTION A LA COMMANDE DES SYST\`{E}MES NON LIN\'{E}AIRES QUASI-LPV AVEC OU SANS RETARD},
author = {ABDELKRIM WARDI Rihab},
url = {https://macs.tn/macs/wp-content/uploads/2018/12/Thses-Rihab-Abdelkrim-26-Nov-2016.pdf},
year = {2016},
date = {2016-11-26},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Ilhem, KILANI SUR L’OBSERVATION DES SYSTÈMES DESCRIPTEURS DE TYPE TAKAGI SUGENO (TS) : APPROCHE SECTEUR NON LINÉAIRE Thèse ENIG, 2016. @phdthesis{KILANI2016,
title = {SUR L’OBSERVATION DES SYST\`{E}MES DESCRIPTEURS DE TYPE TAKAGI SUGENO (TS) : APPROCHE SECTEUR NON LIN\'{E}AIRE},
author = {KILANI Ilhem},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-4.png},
year = {2016},
date = {2016-11-19},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Hadil, SOLTANI CONTRIBUTION AUX COMMANDES TOLÉRANTES AUX DÉFAUTS DES SYSTÈMES A RETARD Thèse ENIG, 2016. @phdthesis{SOLTANI2016,
title = {CONTRIBUTION AUX COMMANDES TOL\'{E}RANTES AUX D\'{E}FAUTS DES SYST\`{E}MES A RETARD},
author = {SOLTANI Hadil},
year = {2016},
date = {2016-11-19},
school = {ENIG},
abstract = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-8.png},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
https://macs.tn/macs/wp-content/uploads/2018/11/2016-8.png |
Ahmed, Tahar APPROCHE MULTIMODELE POUR LA COMMANDE ROBUSTE DES SYSTÈMES INCERTAINS Thèse ENIG, 2016. @phdthesis{Tahar2016,
title = {APPROCHE MULTIMODELE POUR LA COMMANDE ROBUSTE DES SYST\`{E}MES INCERTAINS},
author = {Tahar Ahmed},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-9.png},
year = {2016},
date = {2016-11-09},
school = {ENIG},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
|
Kais, MEKKI Gestion de línformation embarquée dans des matériaux communicants à láide des protocoles de réseaux de capteurs sans fil Thèse ENIG – CRAN, 2016. @phdthesis{MEKKI2016,
title = {Gestion de l\'{i}nformation embarqu\'{e}e dans des mat\'{e}riaux communicants \`{a} l\'{a}ide des protocoles de r\'{e}seaux de capteurs sans fil},
author = {MEKKI Kais},
url = {https://macs.tn/macs/wp-content/uploads/2018/11/2016-5.png
http://docnum.univ-lorraine.fr/public/DDOC_T_2016_0034_MEKKI.pdf},
year = {2016},
date = {2016-06-02},
school = {ENIG - CRAN},
abstract = {R\'{e}sum\'{e}
La th\`{e}se aborde le probl\`{e}me de la diss\'{e}mination des informations li\'{e}es au produit tout au long de son cycle de vie, par l’exploitation du concept de mati\`{e}re communicante. L’objectif g\'{e}n\'{e}ral est de stocker dans la mati\`{e}re communicante ses caract\'{e}ristiques initiales mais aussi l’\'{e}volution de ses propri\'{e}t\'{e}s durant son usage, en \'{e}vitant de les perdre lors par exemple d’une transformation ou d’une destruction d’une partie du mat\'{e}riau. Dans le cadre de cette th\`{e}se, ce principe est appliqu\'{e} dans le domaine des pr\'{e}fabriqu\'{e}s en b\'{e}ton, o\`{u} des n\oeuds de r\'{e}seaux de capteurs sans fil sont int\'{e}gr\'{e}s dans le b\'{e}ton. Ces n\oeuds sont alors utilis\'{e}s pour stocker des informations relatives au cycle de vie du pr\'{e}fabriqu\'{e} et \`{a} sa surveillance sur la phase d’usage. Un nouveau protocole de communication, nomm\'{e} USEE, a \'{e}t\'{e} propos\'{e} et permet de diffuser uniform\'{e}ment les informations dans la mati\`{e}re en consid\'{e}rant qu’elles n’ont pas toutes la m\^{e}me importance. Le protocole USEE \'{e}vite notamment la saturation rapide des m\'{e}moires des n\oeuds de fa\c{c}on \`{a} pouvoir stocker un maximum d’informations diff\'{e}rentes. Ensuite, un protocole de lecture, intitul\'{e} RaWPG, a \'{e}t\'{e} d\'{e}velopp\'{e}. Il est adapt\'{e} \`{a} la r\'{e}cup\'{e}ration d’informations uniform\'{e}ment r\'{e}parties et consomme peu d’\'{e}nergie. Ces deux protocoles ont \'{e}t\'{e} impl\'{e}ment\'{e}s dans le simulateur r\'{e}seau Castalia/OMNeT++ et ont permis de montrer leur int\'{e}r\^{e}t par rapport au contexte applicatif mais aussi par rapport \`{a} d’autres protocoles similaires de la litt\'{e}rature
A new Internet of Things area is coming with communicating materials, which are able to provide diverse functionalities to users all along the product lifecycle. As example, it can track its own evolution which leads to gather helpful information. This new paradigm is fulfilled via the integration of specific electronic components into the product material. In this thesis, ultra-small wireless sensor nodes are used for concrete precast field. Indeed, storage of lifecycle information and data dissemination in communicating materials are very important issues. Therefore, this thesis provides a new protocol (USEE) for storing data by a systematic dissemination through the integrated sensor nodes. It guarantees that information could be retrieved in each piece of the concrete by intelligently managing data replication among each neighborhood of the sensor network. The protocol considers in the same set uniformity storage in the whole network, the data importance level, and the resource constraints of sensor nodes. Then, another new data retrieval protocol (RaWPG) is developed to extract the stored information. Castalia/OMNeT++ simulator is used to evaluate the performances of the proposed protocols},
keywords = {Th\`{e}se},
pubstate = {published},
tppubtype = {phdthesis}
}
Résumé
La thèse aborde le problème de la dissémination des informations liées au produit tout au long de son cycle de vie, par l’exploitation du concept de matière communicante. L’objectif général est de stocker dans la matière communicante ses caractéristiques initiales mais aussi l’évolution de ses propriétés durant son usage, en évitant de les perdre lors par exemple d’une transformation ou d’une destruction d’une partie du matériau. Dans le cadre de cette thèse, ce principe est appliqué dans le domaine des préfabriqués en béton, où des nœuds de réseaux de capteurs sans fil sont intégrés dans le béton. Ces nœuds sont alors utilisés pour stocker des informations relatives au cycle de vie du préfabriqué et à sa surveillance sur la phase d’usage. Un nouveau protocole de communication, nommé USEE, a été proposé et permet de diffuser uniformément les informations dans la matière en considérant qu’elles n’ont pas toutes la même importance. Le protocole USEE évite notamment la saturation rapide des mémoires des nœuds de façon à pouvoir stocker un maximum d’informations différentes. Ensuite, un protocole de lecture, intitulé RaWPG, a été développé. Il est adapté à la récupération d’informations uniformément réparties et consomme peu d’énergie. Ces deux protocoles ont été implémentés dans le simulateur réseau Castalia/OMNeT++ et ont permis de montrer leur intérêt par rapport au contexte applicatif mais aussi par rapport à d’autres protocoles similaires de la littérature
A new Internet of Things area is coming with communicating materials, which are able to provide diverse functionalities to users all along the product lifecycle. As example, it can track its own evolution which leads to gather helpful information. This new paradigm is fulfilled via the integration of specific electronic components into the product material. In this thesis, ultra-small wireless sensor nodes are used for concrete precast field. Indeed, storage of lifecycle information and data dissemination in communicating materials are very important issues. Therefore, this thesis provides a new protocol (USEE) for storing data by a systematic dissemination through the integrated sensor nodes. It guarantees that information could be retrieved in each piece of the concrete by intelligently managing data replication among each neighborhood of the sensor network. The protocol considers in the same set uniformity storage in the whole network, the data importance level, and the resource constraints of sensor nodes. Then, another new data retrieval protocol (RaWPG) is developed to extract the stored information. Castalia/OMNeT++ simulator is used to evaluate the performances of the proposed protocols |
