Dissertationen zum Thema „Données du Panneau“
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Brottier, Laetitia. „Optimisation biénergie d'un panneau solaire multifonctionnel : du capteur aux installations in situ“. Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLN009/document.
Der volle Inhalt der QuelleIn the context of the fight against climate change, the building is a strategic sector to address because of its high consumption of heat and electricity. Solar energy, both thermal and photovoltaic, has strong assets to meet this challenge and is becoming more and more cost-competitive. In particular, the PVT hybrid solar is a promising solution with a double advantage: the extraction of heat under the photovoltaic module brings both a gain in electrical efficiency, and a gain by generating heat for the needs of the building. The state of the art demonstrates the diversity of solar hybrid technologies, and this thesis specifically addresses the unglazed flat-plate design with water as the heat transfer fluid. To address sustainability and performance issues, the company DualSun designed a PVT hybrid module with a stainless steel heat exchanger directly laminated during the photovoltaic module process.The analysis of the DualSun collector is done in Part I, first with a 3D model of the exchanger. This model makes it possible to determine minimum flows, to quantify the interest not to insulate the edges of the module and to visualize that the pressure drop for this concept is mainly related to the inlets and outlets of the module but remains acceptable. Given the limitations in terms of scope and calculation time of this 3D model, simplified models are proposed and compared. The results of these simplified models corroborate a stagnation temperature of the DualSun concept of around 75°C, which confirms that the design is intrinsically resilient to overheating even in the absence of hot water consumption. Finally, thermal performance on 9 prototypes with layer-by-layer composition variations confirm that the model is robust. The models demonstrate that the 250Wp non-insulated version of the PVT panel has a thermal power output of 758 Wth for hot water needs at 30°C.A system analysis of these modules integrated in a complex system is carried out in Part II. For the preheating Domestic Hot Water system (DHW), four software programs, PVSyst, PVGis, Polysun, Solo are compared to Trnsys with the Type 295 and Type 816, which integrate the two simplified models of the module defined in the section I. The physical models of these software programs are consistent with each other in the field of use.The results of these software programs used from statistical data for the weather and consumption habits are compared to field measurements on 28 DHW (domestic hot water) hybrid installations in private homes. The objective was to quantify the errors of estimation of the statistical predictions with respect to the reality. While the standard deviation of PV output and maximum temperatures reached by the modules related to the uncertainty on the weather is low (about 10%), the standard deviation of estimated hot water needs based on an average consumption is much higher (about 30%) because of irregular consumption behavior in individuals in terms of time and volume depending on the days. The average temperatures reached at the level of the modules are higher than 45°C during half of the year and allow an effective preheating of the sanitary tank. Solar covering of hot water needs of 57-58% are measured near Lyon.For combined solar and heat pump (HP+) systems in multi-dwelling buildings and for pool heating (SP) systems, statistical models allow a reliable evaluation of the energy production because of stable hot water needs.In conclusion, solar hybrid should be a key technology for the energy transition of buildings in the coming years. PVT technology will evolve to reduce costs from year to year as observed with photovoltaic technology and thus strengthen its cost-competitive position against gas as a heat source for homes and buildings
Frayssinhes, Rémy. „Optimisation des paramètres de déroulage du douglas et modélisation des propriétés mécaniques de panneaux de LVL intégrant les données sylvicoles“. Thesis, Paris, HESAM, 2020. http://www.theses.fr/2020HESAE056.
Der volle Inhalt der QuelleDouglas fir was established massively in France around 50 years ago. The proportion of large tree, due to aging of the stands, will increase in the years to come. Part of this resource will not correspond to the supplies sought by the largest sawmills and will depreciate. Peeling process is well suited for the enhancement of this resource. In France, Douglas fir is not a peeled species due to its recent maturity. Veneers can be used to make plywood panels, but also LVL. A study of the optimal peeling parameters was necessary in order to obtain quality veneers. Then, a model taking into account the silvicultural data of a stand was developed in order to estimate the mechanical properties of LVL beams. It was used to predict the mechanical properties of beams made with trees from three plots of "contrasting" silvicultural routes. A simulation of a 20-year pruning on these trees shows the value of using this decision-support tool for managing forest stands
Qiu, Shulin. „Réseaux d'interconnexion tolérant les pannes et analyse de signature en compression de données /“. Paris : École nationale supérieure des télécommunications, 1996. http://catalogue.bnf.fr/ark:/12148/cb35810126m.
Der volle Inhalt der QuelleDiouri, Mohammed El Mehdi. „Efficacité énergétique dans le calcul très haute performance : application à la tolérance aux pannes et à la diffusion de données“. Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2013. http://tel.archives-ouvertes.fr/tel-00881094.
Der volle Inhalt der QuelleKhalfi, Kamel. „Contribution à la spécification d'un réseau local temps réel, au suivi de son fonctionnement, au diagnostic des pannes et à la gestion des fonctionnements dégradés“. Besançon, 1989. http://www.theses.fr/1989BESA2034.
Der volle Inhalt der QuelleBenbouzid, Chérif. „Integrite semantique et reprise apres panne dans le sgbd rim“. Clermont-Ferrand 2, 1988. http://www.theses.fr/1988CLF2D215.
Der volle Inhalt der QuelleMaquin, Didier. „Observabilité, diagnostic et validation de données des procédés industriels“. Nancy 1, 1987. http://www.theses.fr/1987NAN10347.
Der volle Inhalt der QuelleBUI, HOANG-ANH. „Systeme reparti fonde sur un reseau local de diffusion : une approche de tolerance de pannes pour un serveur de distribution de donnees“. Paris 7, 1991. http://www.theses.fr/1991PA077218.
Der volle Inhalt der QuelleHanna, Fouad. „Etude et développement du nouvel algorithme distribué de consensus FLC permfettant de maintenir la cohérence des données partagées et tolérant aux fautess“. Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2051.
Der volle Inhalt der QuelleNowadays, collaborative work took a very important place in many fields and particularly in the medicaltelediagnosis field. The consistency of shared data is a key issue in this type of applications. Moreover, itis essential to use a consensus algorithm to ensure data consistency in collaborative platforms. We presenthere our new consensus algorithm FLC that helps to ensure data consistency in asynchronous collaborativedistributed systems. Our algorithm is fault tolerant and aims to improve the performance of consensus ingeneral and particularly in the case of process crashes. The new algorithm uses the leader oracle tocircumvent the impossibility result of the FLP theorem. It is decentralized and considers the crash-stop failuremodel. The FLC algorithm is based on two main ideas. The first is to perform, at the beginning of eachround, a simple election phase guaranteeing the existence of only one leader per round. The second is totake advantage of system stability and more particularly of the fact that the leader does not crash betweentwo consecutive consensus runs. The performance of our algorithm was analyzed and compared to the mostknown algorithms in the domain. The results obtained by simulation, using the Neko platform, demonstratedthat our algorithm gave the best performance when using a multicast network in the best case scenario and insituations where the algorithm undergoes one or more crashes of coordinators/leaders processes
Daouayry, Nassia. „Détection d’évènements anormaux dans les gros volumes de données d’utilisation issues des hélicoptères“. Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI084.
Der volle Inhalt der QuelleThis thesis addresses the topic of the normality of the helicopter component systems functioning through the exploitation of the usage data coming from the HUMS (Health and Usage Monitoring System) for the maintenance. Helicopters are complex systems and are subject to strict regulatory requirements imposed by the authorities in charge of flight safety. The analysis of monitoring data is therefore a preferred means of improving helicopter maintenance. In addition, the data produced by the HUMS system are an indispensable resource for assessing the health of the systems after each flight. The data collected are numerous and the complexity of the different systems makes it difficult to analyze them on a case-by-case basis.The work of this thesis deals mainly with the issues related to the utilization of multivariate series for the visualization and the implementation of anomaly detection tools within Airbus Helicopters.We have developed different approaches to catch in the flight data a relative normality for a given system.A work on the visualization of time series has been developed to identify the patterns representing the normality of a system's operation.Based on this approach, we have developed a "virtual sensor" allowing to estimate the values of a real sensor from a set of flight parameters in order to detect abnormal events when the values of these two sensors tend to diverge
Billon, Aurélie. „Modélisation de la fiabilité de composants d'un moteur aéronautique basée sur les données des dégradations en fonction de la maintenance programmée“. Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3053.
Der volle Inhalt der QuelleThe aim of our studies is to propose a statistical model of turboshaft engines ageing behaviour in order to improve the reliability level assessment. Field and repair data feedback are used to fit our model. This model takes into account one component whose failure mechanisms are in competition with respect to a final event and scheduled maintenance policy. We want to estimate reliability of engine component and, for instance, optimize the preventive maintenance policy
Esposito, Nicolas. „Coopeer : une architecture d'égal à égal pour la conception collaborative – Méthode optimiste de résolution automatique des conflits pour la cohérence de données répliquées“. Phd thesis, Grenoble INPG, 2002. http://tel.archives-ouvertes.fr/tel-00388567.
Der volle Inhalt der QuelleSolat, Siamak. „Novel fault-tolerant, self-configurable, scalable, secure, decentralized, and high-performance distributed database replication architecture using innovative sharding to enable the use of BFT consensus mechanisms in very large-scale networks“. Electronic Thesis or Diss., Université Paris Cité, 2023. http://www.theses.fr/2023UNIP7025.
Der volle Inhalt der QuelleThis PhD thesis consists of 6 Chapters. In the first Chapter, as an introduction, we provide an overview of the general goals and motives of decentralized and permissionless networks, as well as the obstacles they face. In the introduction, we also refer to the irrational and illogical solution, known as "permissioned blockchain" that has been proposed to improve the performance of networks similar to Bitcoin. This matter has been detailed in Chapter 5. In Chapter 2, we make clear and intelligible the systems that the proposed idea, Parallel Committees, is based on such networks. We detail the indispensable features and essential challenges in replication systems. Then in Chapter 3, we discuss in detail the low performance and scalability limitations of replication systems that use consensus mechanisms to process transactions, and how these issues can be improved using the sharding technique. We describe the most important challenges in the sharding of distributed replication systems, an approach that has already been implemented in several blockchain-based replication systems and although it has shown remarkable potential to improve performance and scalability, yet current sharding techniques have several significant scalability and security issues. We explain why most current sharding protocols use a random assignment approach for allocating and distributing nodes between shards due to security reasons. We also detail how a transaction is processed in a sharded replication system, based on current sharding protocols. We describe how a shared-ledger across shards imposes additional scalability limitations and security issues on the network and explain why cross-shard or inter-shard transactions are undesirable and more costly, due to the problems they cause, including atomicity failure and state transition challenges, along with a review of proposed solutions. We also review some of the most considerable recent works that utilize sharding techniques for replication systems. This part of the work has been published as a peer-reviewed book chapter in "Building Cybersecurity Applications with Blockchain Technology and Smart Contracts" (Springer, 2023). In Chapter 4, we propose a novel sharding technique, Parallel Committees, supporting both processing and storage/state sharding, to improve the scalability and performance of distributed replication systems that use a consensus to process clients' requests. We introduce an innovative and novel approach of distributing nodes between shards, using a public key generation process that simultaneously mitigates Sybil attack and serves as a proof-of-work mechanism. Our approach effectively reduces undesirable cross-shard transactions that are more complex and costly to process than intra-shard transactions. The proposed idea has been published as peer-reviewed conference proceedings in the IEEE BCCA 2023. We then explain why we do not make use of a blockchain structure in the proposed idea, an issue that is discussed in great detail in Chapter 5. This clarification has been published in the Journal of Software (JSW), Volume 16, Number 3, May 2021. And, in the final Chapter of this thesis, Chapter 6, we summarize the important points and conclusions of this research
Piatyszek, Eric. „Détection de dysfonctionnements en système hydrographique Application aux réseaux d'assainissement“. Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 1998. http://tel.archives-ouvertes.fr/tel-00850549.
Der volle Inhalt der QuelleSoyez, Olivier. „Stockage dans les systèmes pair à pair“. Phd thesis, Université de Picardie Jules Verne, 2005. http://tel.archives-ouvertes.fr/tel-00011443.
Der volle Inhalt der QuelleDans un premier temps, nous avons créé un prototype Us et conçu une interface utilisateur, nommée UsFS, de type système de fichiers. Un procédé de journalisation des données est inclus dans UsFS.
Ensuite, nous nous sommes intéressés aux distributions de données au sein du réseau Us. Le but de ces distributions est de minimiser le dérangement occasionné par le processus de reconstruction pour chaque pair. Enfin, nous avons étendu notre schéma de distribution pour gérer le comportement dynamique des pairs et prendre en compte les corrélations de panne.
Bas, María. „Politique commerciale, gains de productivité et adoption des technologies : une approche de l'hétérogénéité des firmes“. Paris, EHESS, 2008. http://www.theses.fr/2008EHES0156.
Der volle Inhalt der QuelleThis thesis proposes to carry out a theoretical and empirical analysis of the relationship between trade liberalization, firms' productivity and technological choice. The first chapter presents the main recent contributions of the new trade theory based on heterogeneous firms to the traditional trade theories and to the new empirical results based on firm level data. In Chapters 2 and 3, we study the effects of trade integration on the evolution of firms' productivity. Chapter 2 presents a theoretical study of the impact of foreign technology adoption on productivity gains. Then, in Chapter 3, we empirically estimate the effects of export and import oriented policies on the productivity of Chilean's firms. Finally, Chapter 4 studies the influence of trade integration on wage inequalities. Technological choice affects the growth of inequalities between skilled and unskilled workers. The main assumption and predictions of the model are confirmed by an empirical study of Chilean case
Çokuslu, Deniz. „Découverte et allocation des ressources pour le traitement de requêtes dans les systèmes grilles“. Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1730/.
Der volle Inhalt der QuelleGrid systems are today's one of the most interesting computing environments because of their large computing and storage capabilities and their availability. Many different domains profit the facilities of grid environments. Distributed query processing is one of these domains in which there exists large amounts of ongoing research to port the underlying environment from distributed and parallel systems to the grid environment. In this thesis, we focus on resource discovery and resource allocation algorithms for query processing in grid environments. For this, we propose resource discovery algorithm for query processing in grid systems by introducing self-stabilizing topology control and converge-cast based resource discovery algorithms. Then, we propose a resource allocation algorithm, which realizes allocation of resources for single join operator queries by generating a reduced search space for the candidate nodes and by considering proximities of candidates to the data sources. We also propose another resource allocation algorithm for queries with multiple join operators. Lastly, we propose a fault-tolerant resource allocation algorithm, which provides fault-tolerance during the execution of the query by the use of passive replication of stateful operators. The general contribution of this thesis is twofold. First, we propose a new resource discovery algorithm by considering the characteristics of the grid environments. We address scalability and dynamicity problems by constructing an efficient topology over the grid environment using the self-stabilization concept; and we deal with the heterogeneity problem by proposing the converge-cast based resource discovery algorithm. The second main contribution of this thesis is the proposition of a new resource allocation algorithm considering the characteristics of the grid environment. We tackle the scalability problem by reducing the search space for candidate resources. We decrease the communication costs during the query execution by allocating nodes closer to the data sources. And finally we deal with the dynamicity of nodes, in terms of their existence in the system, by proposing the fault-tolerant resource allocation algorithm
Gueye, Bassirou. „Services auto-adaptatifs pour les grilles pair-à-pair“. Thesis, Reims, 2016. http://www.theses.fr/2016REIMS017/document.
Der volle Inhalt der QuelleResource management management worldwide distributed in several virtual organizations is a key issue.In this thesis, we propose a model for dynamic services management in large-scale peer-to-peer Grid environments.This model named P2P4GS, presents originality not to link peer-to-peer infrastructure to the execution services platform.In addition, the middleware is generic i.e. it able to be applied on any peer-to-peer architecture.Meanwhile, the increasing size of resources and users in large-scale distributed systems has lead to a scalability problem.To ensure scalability, we propose to organize the peer-to-peer Grid nodes in virtual communities so called clusters.The structuring approach is completely distributed, and only requires local knowledge about nodes neighborhood for election of cluster managers called ISP (Information System Proxy).On the other hand, in order orchestrate communications in the various virtual communities and also enable an efficient service discovery,during structuring process, a spanning tree only constituted of ISP is maintained. Therefore, search queries will be routed along the spanning tree.Besides the service discovery, we proposed service deployment, publication and invocation mechanisms.Finally, we implemented and analyzed the performance of P2P4GS.To illustrate that P2P4GS is generic, we implemented protocols that operating in fully different way. These protocols are Gia, Pastry and Kademlia.Performance tests show that, on the one hand, our approach provides good fault tolerance and ensures the scalability in terms of the clusters distribution and communication cost
Dufossé, Fanny. „Scheduling for Reliability : complexity and Algorithms“. Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2011. http://tel.archives-ouvertes.fr/tel-00660236.
Der volle Inhalt der QuelleBerthon, Julie. „Nouvelle approche de la fiabilité opérationnelle“. Thesis, Bordeaux 1, 2008. http://www.theses.fr/2008BOR13657/document.
Der volle Inhalt der QuelleThe thesis went within the scope of an agreement between the University Bordeaux I and the Thales Avionics company. It constitutes an original analysis of the reliability of complex materials equipments, with the prospect of control and improvement. The thesis consists of two separate parts connected to the problems met by the manufacturer: - The first part deals with the analysis of "clusters" of undesirable events (chain of disasters, series of failures,...). It appeals to the scan statistics in order to estimate the probability of occurrence of a cluster of events. A Monte Carlo simulation implemented in a dedicated algorithm, then a Monte Carlo simulation supported by a Petri net model, are proposed. Several markovian approaches are then developed. - The second part deals with the analysis of feedback in a non common context when the only information available is the number of equipments which are delivered during each period and the number of those which are removed during each period. An innovative approach, allowing to obtain the intrinsic failure rate of the materials under study according to the production flow and the removal flow, is explained
Bentria, Dounia. „Combining checkpointing and other resilience mechanisms for exascale systems“. Thesis, Lyon, École normale supérieure, 2014. http://www.theses.fr/2014ENSL0971/document.
Der volle Inhalt der QuelleIn this thesis, we are interested in scheduling and optimization problems in probabilistic contexts. The contributions of this thesis come in two parts. The first part is dedicated to the optimization of different fault-Tolerance mechanisms for very large scale machines that are subject to a probability of failure and the second part is devoted to the optimization of the expected sensor data acquisition cost when evaluating a query expressed as a tree of disjunctive Boolean operators applied to Boolean predicates. In the first chapter, we present the related work of the first part and then we introduce some new general results that are useful for resilience on exascale systems.In the second chapter, we study a unified model for several well-Known checkpoint/restart protocols. The proposed model is generic enough to encompass both extremes of the checkpoint/restart space, from coordinated approaches to a variety of uncoordinated checkpoint strategies. We propose a detailed analysis of several scenarios, including some of the most powerful currently available HPC platforms, as well as anticipated exascale designs.In the third, fourth, and fifth chapters, we study the combination of different fault tolerant mechanisms (replication, fault prediction and detection of silent errors) with the traditional checkpoint/restart mechanism. We evaluated several models using simulations. Our results show that these models are useful for a set of models of applications in the context of future exascale systems.In the second part of the thesis, we study the problem of minimizing the expected sensor data acquisition cost when evaluating a query expressed as a tree of disjunctive Boolean operators applied to Boolean predicates. The problem is to determine the order in which predicates should be evaluated so as to shortcut part of the query evaluation and minimize the expected cost.In the sixth chapter, we present the related work of the second part and in the seventh chapter, we study the problem for queries expressed as a disjunctive normal form. We consider the more general case where each data stream can appear in multiple predicates and we consider two models, the model where each predicate can access a single stream and the model where each predicate can access multiple streams
Liu, Yinling. „Conception et vérification du système d'Information pour la maintenance aéronautique“. Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI133.
Der volle Inhalt der QuelleOperational support is one of the most important aspects of aeronautical maintenance. It aims to provide a portfolio of services to implement maintenance with a high level of efficiency, reliability and accessibility. One of the major difficulties in operational support is that there is no platform that integrates all aircraft maintenance processes in order to reduce costs and improve the level of service. It is therefore necessary to build an autonomous aircraft maintenance system in which all maintenance information can be collected, organized, analyzed and managed in a way that facilitates decision-making. To do this, an innovative methodology has been proposed, which concerns modelling, simulation, formal verification and performance analysis of the autonomous system mentioned. Three axes were addressed in this thesis. The first axis concerns the design and simulation of an autonomous system for aeronautical maintenance. We offer an innovative design of an autonomous system that supports automatic decision making for maintenance planning. The second axis is the verification of models on simulation systems. We propose a more comprehensive approach to verifying global behaviours and operational behaviours of systems. The third axis focuses on the analysis of the performance of simulation systems. We propose an approach of combining an agent-based simulation system with the “Fuzzy Rough Nearest Neighbor” approach, in order to implement efficient classification and prediction of aircraft maintenance failures with missing data. Finally, simulation models and systems have been proposed. Simulation experiments illustrate the feasibility of the proposed approach
Hamadi, Hussein. „Fault-tolerant control of a multirotor unmanned aerial vehicle under hardware and software failures“. Thesis, Compiègne, 2020. http://www.theses.fr/2020COMP2555.
Der volle Inhalt der QuelleThe aim of this work is to propose mechanisms for multirotor drones that allow, on the one hand, to tolerate faults on the drone, and on the other hand to take into account the effects of the wind outdoors. The faults targeted include fault in actuators, sensors, but also software faults on the data fusion algorithms. ln our work, we have developed a robust controller and an exterior disturbance observer capable of cooperating with th, contrai reconfiguration method, to simultaneously tolerate motor failures and exterior wind disturbances through active fault tolerance techniques… We have also proposed a new technique for tolerating actuator faults for a coaxial octorotor drone. This technique is based on a robust command law with reconfigurable "self tuning sliding mode control (STSMC)" gains, where the control gains are readjusted according to the detected error in order to maintain the stability of the system. lndoor experiments are conducted to show and compare our solution with two other fault tolerance techniques. The efficiency and behavior of each method are studied after successive fault injections into the actuators. The main advantages and disadvantages of each method are deduced by analyzing the results obtained. Additionally, we provide an approach for fault tolerance of drone data fusion sensors and software mechanisms. This approach is based on the redundancy of sensors and the diversification of software components
Zounon, Mawussi. „On numerical resilience in linear algebra“. Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0038/document.
Der volle Inhalt der QuelleAs the computational power of high performance computing (HPC) systems continues to increase by using huge number of cores or specialized processing units, HPC applications are increasingly prone to faults. This study covers a new class of numerical fault tolerance algorithms at application level that does not require extra resources, i.e., computational unit or computing time, when no fault occurs. Assuming that a separate mechanism ensures fault detection, we propose numerical algorithms to extract relevant information from available data after a fault. After data extraction, well chosen part of missing data is regenerated through interpolation strategies to constitute meaningful inputs to numerically restart the algorithm. We have designed these methods called Interpolation-restart techniques for numerical linear algebra problems such as the solution of linear systems or eigen-problems that are the inner most numerical kernels in many scientific and engineering applications and also often ones of the most time consuming parts. In the framework of Krylov subspace linear solvers the lost entries of the iterate are interpolated using the available entries on the still alive nodes to define a new initial guess before restarting the Krylov method. In particular, we consider two interpolation policies that preserve key numerical properties of well-known linear solvers, namely the monotony decrease of the A-norm of the error of the conjugate gradient or the residual norm decrease of GMRES. We assess the impact of the fault rate and the amount of lost data on the robustness of the resulting linear solvers.For eigensolvers, we revisited state-of-the-art methods for solving large sparse eigenvalue problems namely the Arnoldi methods, subspace iteration methods and the Jacobi-Davidson method, in the light of Interpolation-restart strategies. For each considered eigensolver, we adapted the Interpolation-restart strategies to regenerate as much spectral information as possible. Through intensive experiments, we illustrate the qualitative numerical behavior of the resulting schemes when the number of faults and the amount of lost data are varied; and we demonstrate that they exhibit a numerical robustness close to that of fault-free calculations. In order to assess the efficiency of our numerical strategies, we have consideredan actual fully-featured parallel sparse hybrid (direct/iterative) linear solver, MaPHyS, and we proposed numerical remedies to design a resilient version of the solver. The solver being hybrid, we focus in this study on the iterative solution step, which is often the dominant step in practice. The numerical remedies we propose are twofold. Whenever possible, we exploit the natural data redundancy between processes from the solver toperform an exact recovery through clever copies over processes. Otherwise, data that has been lost and is not available anymore on any process is recovered through Interpolationrestart strategies. These numerical remedies have been implemented in the MaPHyS parallel solver so that we can assess their efficiency on a large number of processing units (up to 12; 288 CPU cores) for solving large-scale real-life problems