WorldCat Identities

Berruet, Pascal (1970-....).

Works: 21 works in 27 publications in 2 languages and 31 library holdings
Roles: Other, Thesis advisor, Opponent, Author
Publication Timeline
Most widely held works by Pascal Berruet
Contribution au recouvrement des systèmes flexibles de production manufacturière : analyse de la tolérance et reconfiguration by Pascal Berruet( Book )

3 editions published between 1998 and 2013 in French and held by 3 WorldCat member libraries worldwide

Le travail presente s'interesse principalement au recouvrement des pannes materielles dans les sfpm. Cette fonction fait partie de la supervision et collabore avec les modules de surveillance, de gestion des modes et de pilotage afin d'elaborer une reaction lorsqu'une panne survient. Son role decisionnel consiste a determiner comment le systeme peut conserver un caractere operationnel malgre la presence d'une panne. Notre contribution est basee sur une demarche en deux temps, s'interessant a la conception puis a l'exploitation. La premiere partie concerne la tolerance aux pannes et vise a concevoir un sfpm dont la disponibilite reste elevee grace a l'analyse de sa flexibilite. L'approche originale se fonde sur la determination des elements critiques du systeme. Elle permet une analyse a priori des architectures de production et un classement par type. L'analyse de la tolerance participe ainsi a l'aide a la conception des architectures materielles. La seconde partie propose une procedure de reconfiguration qui determine, apres l'apparition d'une panne, la nouvelle configuration du sfpm (les ressources a arreter, celles a mettre en marche). La principale caracteristique est une reaction evolutive, fonction de la difficulte de mise en oeuvre et des imperatifs de production. L'approche est fondee sur une analyse de la capacite du systeme a realiser un type de production donne
Réduction de la consommation électrique du contrôle-commande des machines automatisées by Christophe Ligeret( Book )

3 editions published in 2010 in French and held by 2 WorldCat member libraries worldwide

This thesis presents an analysis of energy consumption of control systems of automated machines. The main objective is to reduce energy consumption of control part. In this document, we present notions related with control systems and we develop methods and an energy consumption simulator which is an analysis tool of energy consumption. Thus, we make an analysis according 3 axes: energy consumption of each control part, consumption of control systems according to choice of components and consumption according to operating modes. So this work proposes an energy consumption methodology and makes it possible to show that energy consumption of control systems is often low with respect to energy consumed by actuators. However, it is possible to reduce by 2 energy consumption of control
Extension des systèmes MES au diagnostic des performances des systèmes de production au travers d'une approche probabiliste Bayésienne by Ngoc Hoang Tran( )

1 edition published in 2018 in French and held by 2 WorldCat member libraries worldwide

This Phd thesis takes place in the diagnostic field, especially in contexte of Manufacturing Execution System (MES). It contributes to the diagnostic system in the presence of potential failures following a triggering signal OEE drift, an indicator performance that gives a picture of the production system state (equipment, production line, site, and enterprise) by estimating downtime from 3 major origins: availability, performance, and quality. Our objective is to provide maximum information of the origins of an OEE variation and to support making the best decision for four categories users of OEE (operator, leader team, supervisor, direction). Also, basis on that model, the purpose will provides a deployment methodology to integrate with MES solution in an industrial context
Génération automatique de problèmes d'optimisation pour la conception et la gestion des réseaux électriques de bâtiments intelligents multi-sources multi-charges by Ghaith Warkozek( )

1 edition published in 2011 in French and held by 2 WorldCat member libraries worldwide

The building is becoming increasingly a complex system where energy flows must be managed according to consumption: we talk about intelligent buildings. This means increasing complexity for designers who need to focus as much on building itself (several power sources and multiplication of charges) in its equipment, and in its energy management but also to interactions with the external environment (exogenous flow of information on the energy market, the purchase price and resale, subsidies for self-consumption, etc. ...). It is now necessary to tie the design phase with that of building energy management. The work of this thesis aims at proposing a methodological approach to automatically formulate optimization problems at design stage and under operation of building. The approach is based on concepts from the model-driven engineering (MDE)
Étude de la prise de décision chez les pilotes d'aviation commerciale : relation entre le contrôle cognitif et la charge mentale by Amine Laouar-Zouyed( )

1 edition published in 2021 in French and held by 2 WorldCat member libraries worldwide

This thesis aims to study the degradation factors of pilots' decision-making in dynamic situations, with the purpose of defining the principles for a decision-making assistance in future cockpits. The analysis of aviation decision-making processes allowed to focus the problematic on the question of cognitive control. We considered the Contextual Control Model (Hollnagel, 1993), which have four cognitive control modes - strategic, tactical, opportunistic and scrambled, from the more proactive to the less - and we explored the links between these modes, the situation's mental stress (as defined by DIN EN ISO 10075-1:2017) and the operators' mental strain. This led to the hypothesis that we could determine the cognitive control mode instantiated by assessing the mental stress and measuring the strain via physiological (cardiac pace) or neurophysiological measures (prefrontal cortex oxygenation). With the help of a Cognitive Work Analysis carried on piloting activity, we built and conducted two experimentations in order to explore the aforementioned links: one in laboratory with university students confronted to the MATB-II software, the other in a flight simulator with expert pilots who faced realistic scenarios. The experimental results confirmed the links between control modes and mental stress showing a preferential adoption of the tactical mode when the mental stress is low. We also observed a link between control modes and mental strain. Indeed, the prefrontal cortex blood oxygenation rate is lower for the tactical mode than for the other modes. Finally, these two experimentations showed that the tactical mode was the most efficient, associated with lower mental strain and adequate performances. The results of this study are discussed with regards to the perspectives about the development of adaptive assistances
Introduction de critères ergonomiques dans un système de génération automatique d'interfaces de supervision by Julien Rechard( )

1 edition published in 2015 in French and held by 2 WorldCat member libraries worldwide

The ecological interface design is composed of two steps, a work domain analysis and a transcription of the information of the work domain into ecological representation (Naikar, 2010). This kind of design showed his effectiveness for the supervision of complex system (Burns, 2008). Nevertheless, Vicente (2002) highlighted two issues, the long design time and the difficulties to translate with a formal way a work domain into ecological representation. Moreover, he doesn't exist a formal tool of validation for a work domain. Several tools and works allow to be comfortable in the possibility to find some solution (Functional methodology (Liu et al, 2002), TMTA (Morineau, 2010) and Anaxagore (Bignon, 2012). We propose several answers at the issue: how formalize the design of an ecological interface in order to reduce the time and effort linked to the design? The first proposition is a tool of verification of model of work domain based on a simulation by TMTA. The second bring thanks to a second version of the Anaxagore flow, an integration of the works of Liu et al (2002) with the principle of the ecological library of ecological widget linked to a scheme of input of high level. Based on the work domain of a fresh water system in a ship, an ecological interface has been implemented and validated experimentally. This interface has been compared with a conventional interface also generated by Anaxagore. The results show that the ecological interface promotes a biggest numbers of coherent ways in the work domain. This kind of interface also promotes a better accuracy of the diagnostic for the operators using the ecological interface
Vers le contrôle commande distribué des systèmes de production manufacturiers : approche composant pour la prise en compte de l'architecture de communication dans la modélisation by Aladdin Masri( Book )

2 editions published in 2009 in English and held by 2 WorldCat member libraries worldwide

Manufacturing systems belong to the class of distributed discrete event systems. Their size requires distributing the software to control them on architecture of several industrial computers connected by networks. In this context, it becomes crucial to be able to evaluate the impact of a specific architecture on the manufacturing systems services both in terms of performance and quality. The performance of the underlying network can notably affect the productivity of the system. In traditional methodology proposed in literature, this aspect is not taken into account in the design stage. Thus, modeling such systems is important to verify some properties at that stage. In this thesis, we propose a component-based modeling approach with High Level Petri nets based method for modeling some network protocols in order to evaluate the manufacturing systems as being distributed systems. The selection of Petri nets is justified by their expression power with regard to the modeling of distributed and concurrent systems. Component-based approach can decrease modeling complexity and encourages genericity, modularity and reusability of ready-to-use components. This allows building new models easily and reducing the systems development cost. Moreover, this can help in better managing services and protocols and to easily change/modify a system element. Finally, this modeling enables us to evaluate discrete event systems by means of centralized simulations
Vers un langage de modélisation spécifique au domaine des systèmes de télécontrôle ubiquitaire by Amara Touil( Book )

2 editions published in 2011 in French and held by 2 WorldCat member libraries worldwide

Les Sciences et Technologies de l'Information et de Communication (STIC) nous permettent aujourd'hui une large utilisation d'ordinateurs, de systèmes intelligents, de réseaux de communication, etc. Nous sommes potentiellement capables d'accéder à n'importe quel objet communicant et d'échanger des informations. Dans ce contexte que l'on peut qualifier d'ubiquitaire, nous souhaitons pouvoir agir à distance (télécontrôle) sur des objets communicants. Dans ce travail nous associons télécontrôle et ubiquité afin de fournir un cadre de définition des systèmes de télécontrôle ubiquitaire, et pour dégager quelques préoccupations en termes de modélisation et d'analyse. Dans cette perspective nous proposons un langage spécifique au domaine (DSML) pour leur modélisation et une démarche outillée pour l'analyse de leur structure et leur fonctionnement. La construction de ce DSML est effectuée dans un contexte d'ingénierie système en adoptant le paradigme de l'Ingénierie Dirigée par les Modèles. Cette méthode nous a permis en premier lieu de capitaliser les connaissances et les terminologies du domaine de télécontrôle ubiquitaire. En second lieu, elle nous a permis d'élaborer une démarche pour effectuer des analyses structurelles et comportementales et de tester quelques exemples de systèmes. La sûreté de fonctionnement (SdF) pour les systèmes de télécontrôle ubiquitaire constitue une partie intégrante de leur modélisation et de leur analyse. Dans le DSML proposé, les propriétés de SdF sont intégrées à l'aide du Guide des Modes de Marche et d'Arrêt et de Qualité de service (GEMMA-Q) en vue d'une implémentation qui tient compte de la dynamicité du système et de son comportement. Cette thèse comporte également une méthodologie de construction d'une bibliothèque de composants réutilisables suivant les concepts définis pour le langage du domaine du télécontrôle ubiquitaire
Diagnostic en ligne des systèmes à événements discrets complexes : approche mixte logique/probabiliste by Dang-Trinh Nguyen( )

1 edition published in 2015 in French and held by 2 WorldCat member libraries worldwide

Today's manufacturing systems are challenged by increasing demand diversity and volume that result in short product life cycles with the emergence of high-mix low-volume production. Therefore, one of the main objectives in the manufacturing domain is to reduce cycle time (CT) while ensuring product quality at reduced cost. In such competitive environment, product quality is ensured by introducing more rigorous controls at each production step that results in extended cycle times and increased production costs. This can be reduced by introducing R2R (run to run) loops where control on the product quality is carried out after multiple consecutive production steps. However, product quality drift, detected by metrology at the end of run-to-run loop, results in stopping respective sequence of production equipment. The manufacturing systems are equipped with sensors that provide basis for real time monitoring and diagnosis; however, placement of these sensors is constrained by its structure and the functions they perform. Besides this, these sensors cannot be placed across the equipment due to associated big data analyses challenge. This also results in non-observable components that limit our ability to support effective real time monitoring and fault diagnosis initiatives. Consequently, production equipment in R2R loop are stopped upon product quality drift detection at the inspection step. It is because of the fact that we are unable to diagnose that which equipment or components are responsible for the product quality drift. As a result, production capacities are reduced not because of faulty equipment or components but due to our inability for efficient and effective diagnosis.In this scenario, the key challenge is to diagnose faulty equipment and localize failure(s) against these unscheduled equipment breakdowns. Moreover, the situation becomes more complex if the potential failure(s) is unknown and requires experts' intervention before corrective maintenance can be applied. In addition to this, new failures can emerge as a consequence of different failures and associated delay in its localization and detection. Therefore, success of the manufacturing domain, in such competitive environment, depends on quick and more accurate fault isolation, detection and diagnosis. This paper proposes a methodology that exploits historical data over unobserved equipment components to reduce search space of potential faulty components followed by more accurate diagnosis of failures and causes. The key focus is to improve the effectiveness and efficiency of real time monitoring of potential faulty components and causes diagnoses.This research focuses on potential diagnosis using Logical Diagnosis model (Deschamps et al., 2007) which that offers real time diagnosis in an automated production system. This reduces the search space for faulty equipment from a given production flow and optimizes the learning step for the subsequent BN. The BN model, based on the graphical structure, received from Logical Diagnosis model then computes joint and conditional probabilities for each node, to support corrective maintenance decisions upon scheduled and unscheduled equipment breakdowns. The proposed method enables real time diagnosis for corrective maintenance in fully or semi-automated manufacturing systems
Intégration des techniques de vérification formelle dans une approche de conception des systèmes de contrôle-commande : application aux architectures SCADA by Soraya Kesraoui( )

1 edition published in 2017 in French and held by 1 WorldCat member library worldwide

The design of control-command systems often suffers from problems of communication and interpretation of specifications between the various designers, frequently coming from a wide range of technical fields. In order to address the design of these systems, several methods have been proposed in the literature. Among them, the so-called mixed method (bottom-up/top-down), which sees the design realized in two steps. In the first step (bottom-up), a model of the system is defined from a set of standardized components. This model undergoes, in the second (top-down) step, several refinements and transformations to obtain more concrete models (codes, applications, etc.). To guarantee the quality of the systems designed according to this method, we propose two formal verification approaches,based on Model-Checking, in this thesis. The first approach concerns the verification of standardized components and allows the verification of a complete elementary control-command chain. The second one consists in verifying the model of architecture (P&ID) used for the generation of control programs.The latter is based on the definition of an architectural style in Alloy for the ANSI/ISA-5.1 standard. To support both approaches, two formal semi-automated verification flows based on Model-Driven Engineering have been proposed. This integration of formal methods in an industrial context is facilitated by the automatic generation of formal models from design models carried out by business designers. Our two approaches have been validated on a concrete industrial case of a fluid management system embedded in a ship
Approches canoniques pour la synthèse des contrôleurs réseaux de Petri by Sadok Rezig( )

1 edition published in 2016 in French and held by 1 WorldCat member library worldwide

In this work, we present different control synthesis approaches based on Petri nets and the theory of regions. This theory has some limitations in supervisory control. Indeed, the design on the PN controller, if it exists, is not an easy task due to the resolution complexity and the combinatorial explosion of states in the generated reachability graph. In addition, the linear system of the theory of regions may contain convex combinations of its equations making the theory insoluble. This work aims to simplify the computational complexity of the theory of regions by reducing the number of equations of the linear system and decreasing the computation time of PN controllers. Consequently, new concepts of minimal cuts and canonic markings are introduced in order to apply the theory of regions on specific zones of the graph and not on the whole reachability graph. Finally, two new approaches are developed to synthesize PN controllers without generating the reachability graph
Intégration de techniques de vérification par simulation dans un processus de conception automatisée de contrôle commande by Sophie Prat( )

1 edition published in 2017 in French and held by 1 WorldCat member library worldwide

Aujourd'hui, la conception ne porte plus sur de simples objets, mais sur des systèmes complexes, sociotechniques et ouverts. Les systèmes de conduite de procédés font partie de ce type de systèmes, où les performances du système reposent sur l'optimisation conjointe des composantes humaines et techniques. Afin de limiter la détection d'erreur tardive, il devient alors important de pouvoir effectuer des tests tout au long de la conception, sans augmenter les coûts et les délais de conception. L'objectif de nos travaux est de faciliter l'intégration de techniques de vérification par simulation, dès le début de la conception, pour des systèmes de conduite de procédés de type gestion de fluide. Pour tenir compte du caractère adaptable du système et de son évolution dans un environnement dynamique, une première contribution porte sur la démarche de vérification, basée sur la formalisation et la contextualisation des propriétés à vérifier. Puis, afin de faciliter l'obtention des modèles de simulation du procédé nécessaires à la mise en œuvre des vérifications tout au long de la conception, nous proposons une approche de génération automatisée des modèles de simulation du procédé dans le langage Modelica (modélisation multi-domaine), à partir d'un schéma P&ID (représentation de l'architecture fonctionnelle du procédé) et d'une bibliothèque d'éléments (contenant les modèles de simulation des éléments). L'implémentation de cette approche dans le cadre du flot de conception automatisée de contrôle- commande d'Anaxagore permet d'apporter une preuve de concept et une preuve d'usage de nos propositions
Ingénierie de la commande et analyse des systèmes reconfigurables by Pascal Berruet( Book )

1 edition published in 2007 in French and held by 1 WorldCat member library worldwide

Évaluation multidimensionnelle et dynamique de la maitrise de la situation par l'opérateur : création d'un indicateur temps réel de charge mentale pour l'activité de supervision de drones by Alexandre Sviatoslave Kostenko( )

1 edition published in 2017 in French and held by 1 WorldCat member library worldwide

The evolution of technology has resulted in the emergence of increasingly complex and automated systems. In dynamic situations, the activity of the operator is now more centred on supervision than on execution. These situations are characterized by complexity, uncertainty, partial control and a significant risk of losing control of the situation. The main objective of the work presented in this manuscript is to create a synthetic mental workload indicator, which will be used to trigger a reallocation of functions in real time. The ultimate goal is to enable the operator to better regulate his/her mental workload and to help him/her maintain or regain control of the situation. This work is applied to the supervision activity of a drone swarm studied on a simulation platform (the SUSIE platform). We have revisited and combined the model of Hart and Staveland (1988), which considers the mental workload as a multidimensional construct and that of Sperandio (1971), which focuses on the regulation of activity. This led us to propose a dynamic and three-dimensional model (based on the analysis of the constraints, the effects of the workload on the task and the operator, and the regulations), on which we relied to build a creative approach of a synthetic mental workload indicator. This process is divided into four stages. The first consists in carrying out an analysis of the task following the methodology of Sperandio (1988), to define and identify the descriptors of the mental workload according to the three categories of our dynamic and three-dimensional model. The second step is based on the realization of an experiment, which aims to validate or exclude the identified indicators, per their sensitivity to variations in mental workload (as defined by Cegarra et Chevalier (2008)). The results show in particular that the pupillary diameter and the observation of the regulations allow an appreciable measurement. The third step aims to create a synthetic indicator of mental load by merging the chosen indicators by using Bayesian networks and fuzzy logic. Finally, the last phase supports the design of a dynamic allocation of functions, triggered from the synthetic indicator of mental workload. A second experiment was carried out to evaluate the contribution of reallocation. It shows that the aid allows the operator to better regulate his activity; it modifies the task workload (constraint), but does not reduce the mental workload
Allocation des fonctions entre l'homme et la machine dans les sytèmes sociotechniques complexes. Application au pilotage de sous-marins. by Samantha Judas( )

1 edition published in 2015 in French and held by 1 WorldCat member library worldwide

This thesis comes within the scope of sociotechnical systems design. It is applied to thesubmarine rudder control system. It focuses, in particular, on the stage of functions allocation between helmsman and machine.The objective of the first experiments was to test an "ecological" interface automating the function of information analysis. Two experiments evaluated its effects on performance, workload and situation awareness of helmsmen performing steering tasks.A second phase consisted in defining different proposals of dynamic allocations of functions between helmsman and machine. An experiment was carried out, in order to evaluate a solution of adaptive automation.The results of these studies lead to propose an approach for designing a socio--technical system, which relies on and enhances the CWA (Cognitive Work Analysis) framework. They lead also to discuss place and formalisation of the functions allocation's stage into the process of sociotechnical systems' design
Contribution à la génération de séquences pour la conduite de systèmes complexes critiques by Thomas Cochard( )

1 edition published in 2017 in French and held by 1 WorldCat member library worldwide

Les travaux présentés dans ce manuscrit portent sur la conduite de systèmes complexes critiques. Ils s'inscrivent dans le cadre du projet CONNEXION (Investissements d'Avenir, BGLE2) qui réunit les principaux acteurs de la filière nucléaire française autour de la conception des systèmes de contrôle-commande des centrales et de leur exploitation. Dans le domaine de la conduite, les actions développées par le projet concernent la phase d'ingénierie avec pour objectif d'intégrer le point de vue de l'exploitant au plus tôt dans la validation des architectures de contrôle de commande, et la phase d'exploitation avec pour objectif de fournir une aide à la préparation et à l'exécution des procédures de conduite. Dans ce contexte, la contribution présentée dans ce mémoire porte sur la génération et la vérification de séquences d'actions de conduite répondant à un objectif donné et pouvant être opérées en toute sécurité sur le procédé. L'approche proposée repose la vérification d'une propriété d'atteignabilité sur un réseau d'automates temporisés modélisant le comportement des architectures. L'originalité réside dans la définition d'un cadre formel de modélisation sous la forme de patrons favorisant la réutilisabilité des modèles ainsi que dans la proposition d'algorithmes d'abstraction et de recherche d'atteignabilité itératifs exploitant la hiérarchisation intrinsèque des architectures afin de permettre le passage à l'échelle de l'approche proposée. La contribution a été éprouvée sur la plate-forme d'expérimentation CISPI du CRAN puis sur un cas d'étude à échelle industrielle proposé dans le cadre du projet CONNEXION
Modélisation et Vérification Formelles de Systèmes de Contrôle de Trains by Yuchen Xie( )

1 edition published in 2019 in English and held by 1 WorldCat member library worldwide

The automation degree of railway control systems is constantly increasing. Railway industry needs the enhanced level of safety and reliability guarantee to replace the drivers by Automatic Train Control (ATC) systems. However, the system complexity is also heavily increased by the integration of automatic functions, which has caused the difficulty to analyze these systems.Different modeling methods can be used to build the system models at the appropriate level of abstraction. Formal modeling methods and formal verification methods can provide crucial support to ensure safety and reliability properties. Petri Nets are a suitable tool for modeling and verifying critical systems such as automatic train control systems. In this thesis, we use more specifically Colored Petri Nets (CPNs) to exploit modularity and hierarchization for the modeling and verification of a large-scale system
Design under constraints of Dependability and Energy for Wireless Sensor Network by Van Trinh Hoang( )

1 edition published in 2014 in English and held by 1 WorldCat member library worldwide

Le contexte incertain dans lequel évoluent les applications embarquées influencefortement ces dernières. L'objectif de disponibilité induit généralement une forteredondance matérielle et fonctionnelle. A l'inverse, le paramètre de consommation prôneun nombre et un fonctionnement à minima des ressources. Avec la réduction de latechnologie, la variabilité des procédés de fabrication induit la possibilité accrue dedéfaillances. De façon à garantir une qualité de service acceptable par l'utilisateur, et cesur la totalité de la durée de vie du circuit, il convient de mener des études associant dèsles phases amont les deux paramètres sûreté de fonctionnement et consommation. Cettethèse a pour objectif de proposer une nouvelle conception pour les réseaux de capteurssans fil, afin de réduire consommation d'énergie et d'augmenter la fiabilité du réseau
Sécurisation de capteurs/actionneurs sur réseau industriel by Thomas Toublanc( )

1 edition published in 2018 in French and held by 1 WorldCat member library worldwide

Today, production systems are facing their 4th revolution. This revolution is digital with increasingly dense and complex networks opening on the outside. This openness makes these systems more vulnerable. The threats on these Cyber-Physical Production Systems (CPPS) are no longer just theoretical. The attacks on the German steel mill or the Wannacry crypto virus are perfect examples. This work proposes a tool contributing to the security of the SCPP. Our contributions are threefold: The design of an Anomaly Detection and Response System (ADRS) placed on the field network. It integrates behavioral and informational detection methods. It also includes passive response capabilities, implementing feedback to the human or to higher level systems, and active integrating order filtering or fallback. The application of the proposed methods naturally entails an additional design effort which must be reduced. We have therefore developed an approach to assist designers in the configuration of our ADRS. It is based on a hybrid approach (component / operation) and extends an existing design flow. Several transformations refine monitoring / supervision views of the components while others generate the configuration of the ADRS. A third contribution proposes a realistic demonstrator based on a virtual test environment. It integrates the joint simulation of the operative part and the control part and makes it possible to show the functional qualities of the solutions in the face of attack or failure scenarios
Contribution à la reconfiguration des lignes de production : définition et démarche de choix de configurations alternatives by Erica Capawa Fotsoh( )

1 edition published in 2021 in French and held by 1 WorldCat member library worldwide

In this thesis we propose a formalism for defining RMS configurations, based on the modularity of the system, including both physical and logical aspects (so far considered separately in the literature), and performance (KPI) and model (flow simulation) aspects to align the proposal with the requirements of Industry 4.0 (the RAMI 4.0 architecture). The modular vision allows a precise description and analysis and leads to a better knowledge of the system to drive a reconfiguration. A reference data model emerges from this modular vision, and is used to generate the configuration database, which is the foundation of the proposed selection process for new configurations. This approach aims at capitalizing on past, present and potentially future configuration data of the system, in order to meet the needs of proactivity, datareuse and more generally of knowledge management in a reconfiguration process. A metric to evaluate the impact of a reconfiguration is proposed, in order to ensure a relevant configuration choice. An illustrative example and two industrial case studies have been conducted. They allow to validate the relevance of the proposed approach, and have also allowed to show that the approach is valid for mature systems as well as for systems still under design. The approach offers new perspectives for RMS controlled with holons. Nevertheless, the notion of aggregation (data, control logics, models) as well as the lack of automation of the selection process are some drawbacks of the proposal, but also represent promising topics for future works
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