Articles

GRIF is a partner of researchers and industrialists seeking to deliver precise and representative indicators thanks to innovative methods and high-performance calculation engines. Numerous papers have highlighted its evolution and its functionalities, enabling them to meet the challenges of today and tomorrow. If you want to share your work with the community: [email protected].

Publications 2020-2024

Document title Authors Year Source Link Could be interesting for the user of:

Optimizing The Balance Between Production
Availability, Capex And Opex Of Projects
While Managing Environmental Aspects With A
Simulation Tool

 N. Clavé, TotalEnergies;
M. Estecahandy,
TotalEnergies.		 2023 ADIPEC Abstract Petro
Availability study of an installation dedicated to
CO2 capture, optimization of the design and of
the injection strategy via Petri nets		 C. Vinuesa, I AU CUBE;
M. Estecahandy,
TotalEnergies; and N.
Clavé, TotalEnergies.		 2023 ESREL, UK Abstract Petri
MBSA model to evaluate and analyze the
production availability of an offshore wind farm		 B. Bougoüin,
TotalEnergies; M.
Estecahandy,
TotalEnergies; G.
Clément, TotalEnergies.		 2023 ESREL, UK Abstract Flex
Industry Application and Benefits Of ISO/TR
12489 for Reliability Modelling and Calculation
of Safety Systems		 M. Estecahandy,
TotalEnergies; J.T.
Selvik, University of
Stavanger and NORCE;
J. Signoret, ex.
TotalEnergies; A.E.
Summers, SIS-TECH
Solutions LP; S. Isaksen,
Safetec; F. Brissaud,
GRTgaz; N. Clave,
TotalEnergies		 2023 Offshore Technology Conference, USA    
Availability Analysis of an Offshore Wind
Turbine Subjected to Age-Based Preventive
Maintenance by Petri Nets		 Lotovskyi, E., Teixeira, A.P., Guedes Soares, C. 2022 Journal of Marine Science and Engineering 10(7),1000 Scopus Petri
Reliability and availability models for ageing
safety-related systems		 Brissaud F., Folleau C., Cournuaud B. 2022 Journal of Loss Prevention in the Process Industries, 75,104712 Scopus  
Innovative probabilistic Safety Analysis with
dynamic modelling 		 F. Moulie, J. Vallee, O. Lalanne, A. Herrou 2022 23e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ23 n/a Petri
Availability study of an installation dedicated to
CO2 capture, optimization of the design and the
injection strategy via Petri nets		 C. Vinuesa, M. Estecahandy, N. Clave 2022 23e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ23 n/a Petri,
Plug-in HPC
Enhanced bowtie method for industrial risk
analysis with uncertainties 		 T. de Barnier, O. Iddir , N. Gabas, N. Olivier-Maget, F. Bourgeois  2022 23e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ23 n/a Risk
Modelling reliability and availability of ageing
safety-related systems		 F. Brissaud, C. Folleau, B. Decournuaud 2022 23e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ23 n/a Tree
Dependability supporting New Space  A. Strzepek, T. Amiot, L. Gillot, C. Cheymol  2022 23e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ23 n/a Petri
Optimizing proof test policy for redundant
safety-related systems		 Brissaud F., Vinuesa C., Folleau C. 2020 Proceedings of the 29th European Safety and Reliability Conference, ESREL 2019, pp. 642-645 Scopus  
Dynamic transitions: Simulating changes of
probabilistic laws at discrete instants		 Dutuit Y., Folleau C., Signoret J.-P., Thomas P. 2020 30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM 2020, pp. 2342-2349 Scopus Package Simulation
Modeling imperfect maintenance with
stochastic Petri nets		 Brissaud F., Folleau C. 2020 30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM 2020, pp. 2859-2864 Scopus Petri
Risk Management of Complex Systems:
Understanding the Difference Between Systematic and Systemic Failures		 Selvik J.T., Signoret J.-P. 2020 Lecture Notes in Mechanical Engineering, pp. 128-136 Scopus Risk
High Integrity Protection Systems (HIPS):
Methods and tools for efficient safety integrity
levels (SIL) analysis and calculations		 Signoret J.-P., Dutuit Y., Rauzy A. 2020 Proceedings of the European Safety and Reliability Conference 2007, ESREL 2007 - Risk Scopus SIL
Use of different time periods in mttf estimation
- Discussion on the need for improved guidance
in reliability standards		 Selvik J.T., Signoret J.-P., Alhanati F.J.S. 2020 Proceedings of the 29th European Safety and Reliability Conference, ESREL 2019, 2020 Scopus  
Dynamic transitions: Simulating changes of
probabilistic laws at discrete instants		 Dutuit Y., Folleau C., Signoret J.-P., Thomas P. 2020 Proceedings of the 30th European Safety and Reliability Conference and the 15th Probabilistic Safety Assessment and Management Conference, 2020, pp. 2342–2349 Scopus  
New frequencies assessment method for safety
analysis		 Vinuesa C., Folleau C., Doux F., Collas S. 2020 Proceedings of the 29th European Safety and Reliability Conference, ESREL 2019, pp. 1625-1632 Scopus  
Aide à la Décision pour la Maintenance
Préventive des Ouvrages de Protection Contre
les Risques Naturels en Montagne		 Chahrour N., Tacnet J.-M., Bérenguer C., Folleau C., Vinuesa C. 2020 22e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ22 n/a Risk

Vers un transcripteur automatique de réseaux
électriques industriels en réseaux de
Petri Towards an automatic translator from
industrial power networks to Petri nets

 Vinuesa C., Buchsbaum L., Folleau C., Chevalier M., Thomas P. 2020 22e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ22 n/a Petri
Modélisation de maintenances imparfaites avec
réseaux de Petri stochastiques à prédicats		 Brissaud F., Folleau C., Cournuaud B. 2020 22e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement, λµ22 n/a Petri

Book 2021 : Reliability Assessment of Safety and Production Systems

"Reliability Assessment of Safety and Production Systems: Analysis, Modelling, Calculations and Case Studies", Springer Series in Reliability Engineering.  
Authors: Jean-Pierre Signoret, Alain Leroy. 

To find out more about the history of GRIF, visit the page Jean-Pierre Signoret tells the genesis of GRIF.

Document title Authors Year Source Link Could be interesting for the user of:
Introduction Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 3–5 Scopus  
Background Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 7–28 Scopus  
Reliability Study Overview Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 29–42 Scopus  
Introduction of Basic Core Concepts Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 43–101 Scopus  
Dependent and Common Cause Failures Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 103–120 Scopus  
Extensions to Production Availability and Functional Safety Analyses Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 121–136 Scopus  
The Inductive Approaches Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 139–143 Scopus  
Preliminary Hazard Analysis (PHA) Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 145–156 Scopus  
Hazard and Operability Study (HAZOP) Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 157–164 Scopus  
Failure Mode, Effects (and Criticality) Analysis, FME(C)A Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 165–172 Scopus  
Other Inductive Methods Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 173–176 Scopus  
Comparison of Inductive Approaches Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 177–180 Scopus  
The Family of Boolean Approaches Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 183–184 Scopus Package Booléen
Mathematical Framework Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 185–193 Scopus  
Reliability Block Diagrams (RBDs) Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 195–208 Scopus  
Fault Tree Analysis (FTA) Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 209-225 Scopus Tree
Qualitative Analysis from RBDs or FTs Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 227–233 Scopus  
Extension to Non-Coherent RBDs and FTs Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 235–244 Scopus  
Probabilistic Calculations of Elementary Boolean Models Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 245–255 Scopus  
Semi-Quantitative Analysis from RBDs or FTs Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 257–263 Scopus  
Probabilistic Calculations for Large Boolean Models Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 265–283 Scopus Package Booléen
Time-Dependent Probabilistic Calculations Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 285–317 Scopus  
CCF Modelling with FTs and RBDs Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 319–332 Scopus  
Critical States and Importance Factors Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 333–371 Scopus  
Uncertainty Handling with RBDs and FTs Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 373–384 Scopus  
Sequential Analysis Methods Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 385–408 Scopus  
Combinations or Links of Boolean Models with Other Techniques Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 409-421 Scopus Package Booléen
Automated Fault Tree Building Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 423-426 Scopus Tree
Boolean Family Exercises Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 427–454 Scopus Package Booléen
Introduction to Dynamic Systems and Stochastic Processes Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 457–470 Scopus  
Markovian Modelling Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 471-545 Scopus Markov
Monte Carlo Simulation Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 547–586 Scopus Package Simulation
Petri Net Modelling Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 587–660 Scopus Petri
Dynamic Modelling Exercises Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 661–706 Scopus  
Production Availability Related Modelling and Calculations Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 709–747 Scopus  
Functional Safety Related Modelling and Calculations Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 749–825 Scopus  
Standardization Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 829–838 Scopus  
Data Collection and Uncertainties Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. 839–861 Scopus  
Preface Signoret, J.-P., Leroy, A. 2021 Springer Series in Reliability Engineering, 2021, pp. vii–ix Scopus  

Publications 2019-2015

Document title Authors Year Source Link Could be interesting for the user of:
Etude Probabiliste de Sûreté dynamique par la méthode des réseaux de Petri / Dynamic Probabilistic Safety Assessment with Petri nets T. Dosdaa, J.-Y. Brandeleta, H. Brunelièrea, P. Lacaillea, N. Playezb, F. Aubertc 2018 21e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ21 n/a Petri
Nouvel outil d’évaluation des fréquences d’occurrence pour les études de risque / New frequencies assessment tool for safety analysis Folleau C., Vinuesa C., Collas S., Doux F. 2018 21e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ21 n/a Risk
Détermination et calcul de la fréquence d'occurrence d'une coupe minimale. Un bref état de l'art  Y. Dutuit , J.P. Signoret , C. Folleau , P. Thomas 2018 21e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ21 n/a  
Transitions dynamiques. Changement des lois d'occurrence a des instants discrets / Dynamic transitions. Changing event occurrence laws at discrete instants Y. Dutuit , J.P. Signoret , P. Thomas 2018 21e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ21 n/a  
Using field feedback to estimate failure rates of safety-related systems Brissaud, F. 2017 Reliability Engineering and System Safety, 159, pp. 206-213 Scopus  
New simulation model for evaluating the production availability of petroleum systems Folleau C., Vinuesa C., Collas S. 2017 Risk, Reliability and Safety: Innovating Theory and Practice - Proceedings of the 26th European Safety and Reliability Conference, ESREL 2016, pp. 434 Scopus Package Simulation 
How to interpret safety critical failures in risk and reliability assessments Selvik J.T., Signoret J.-P. 2017 Reliability Engineering and System Safety, 161, pp. 61-68 Scopus Risk
Prise en compte des transitions dynamiques au sein des reseaux de Petri stochastiques Dutuit Y., Signoret J.-P., Thomas P. 2016 20e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ20 n/a Petri
GRIF-Bool : évaluation des risques a l’aide d’un outil d’analyse booléenne multi-approches / GRIF-Bool : risk assessment with an analysis tool handling multiple types of boolean modeling P.-J. Cacheux, N. Clavé, C. Folleau, C. Vinuesa 2016 20e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ20 n/a Bool
Incertitudes dans les calculs de fiabilité selon les normes IEC 61508 et IEC 61511 / Uncertainties in reliability calculations according to IEC 61508 & 61511 standards M. Boiteau, F. Doux, N. Clavé, J.-P. Signoret 2016 20e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ20 n/a  
Complex accident scenarios modelled and analysed by Stochastic Petri Nets Nývlt, O., Haugen, S., Ferkl, L. 2015 Reliability Engineering and System Safety, 142, pp. 539-555 Scopus Petri
Intermodal terminal cargo handling simulation using Petri nets with predicates Silva, C.A., Guedes Soares, C., Signoret, J.P. 2015 Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment, 229(4), pp. 323-339 Scopus Petri

Publications 2014-2010

Document title Authors Year Source Link Could be interesting for the user of:
Probability and frequency calculations related to protection layers revisited Innal F., Cacheux P.-J., Collas S., Dutuit Y., Folleau C., Signoret J.-P., Thomas P.     2014 Journal of Loss Prevention in the Process Industries, 31(1), pp. 56-69 Scopus  
Différences entre approches semi-quantitative et quantitative pour l'évaluation probabiliste des risques technologiques / Differences between semi-quantitative and quantitative approaches for probabilistic assessment of technological risks E. Rosner, F. Brissaud, B. Declerck, Y. Flauw, V. Dianous 2014 19e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ19 n/a Risk
Make your Petri nets understandable: Reliability block diagrams driven Petri nets Signoret J.-P., Dutuit Y., Cacheux P.-J., Folleau C., Collas S., Thomas P. 2013 Reliability Engineering and System Safety, 113(1), pp. 61-75 Scopus Petri
Assessment of the expected number and frequency of failures of periodically tested systems Cacheux P.-J., Collas S., Dutuit Y., Folleau C., Signoret J.-P., Thomas P. 2013 Reliability Engineering and System Safety, 118, pp. 61-70 Scopus  
Methods and Calculations Relative to Safety Instrumented Systems at TOTAL Chaabi Y., Signoret J.-P. 2013 Security of Computer Architectures, 2013, pp. 307–344 Scopus Package Booléen 
Benchmark study on international functional safety standards Massé F., Tiennot R., Signoret J.P., Blancart P., Dupin G., Marle L. 2012 Advances in Safety, Reliability and Risk Management - Proceedings of the European Safety and Reliability Conference, ESREL 2011, 2012, pp. 1685–1692 Scopus  
Petri nets modelling and calculations for RAM and SIL analyses Signoret J.-P. 2011 Marine Technology and Engineering, 2, pp. 1313–1331 Scopus Petri, SIL
New insight into the average probability of failure on demand and the probability of dangerous failure per hour of safety instrumented systems Innal F., Dutuit Y., Rauzy A., Signoret J.-P. 2010 Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 224(2), pp. 75-86 Scopus Package Booléen 
Handling parameter and model uncertainties by continuous gates in fault tree analyses Brissaud F., Barros A., Bérenguer C., Troffaes M. 2010 Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 224(4), pp. 253-265 Scopus Tree

Publications 2009-2005

Document title Authors Year Source Link Could be interesting for the user of:
Dependability & safety modeling and calculation: Petri nets Signoret J.-P. 2009 IFAC Proceedings Volumes (IFAC-PapersOnline), 2(PART 1), pp. 203–208 Scopus Petri
New insight into PFDavg and PFH Innal F., Dutuit Y., Rauzy A., Signoret J.-P. 2009 Safety, Reliability and Risk Analysis: Theory, Methods and Applications - Proceedings of the Joint ESREL and SRA-Europe Conference, 2009, 2, pp. 1173–1180 Scopus  
Probabilistic assessments in relationship with safety integrity levels by using Fault Trees Dutuit Y., Innal F., Rauzy A., Signoret J.-P. 2008 Reliability Engineering and System Safety 93(12), pp. 1867-1876 Scopus SIL, Tree
A snapshot of methods and tools to assess safety integrity levels of high-integrity protection systems Dutuit Y., Rauzy A.B., Signoret J.-P. 2008 Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 222(3), pp. 371-379 Scopus SIL
Probabilistic assessments in relationship with safety integrity levels by using Fault Trees Dutuit Y., Innal F., Rauzy A., Signoret J.-P. 2008 Reliability Engineering and System Safety, 93(12), pp. 1867-1876 Scopus SIL, Tree
The AltaRica data-flow language in use: Modeling of production availability of a multi-state system Boiteau M., Dutuit Y., Rauzy A., Signoret J.-P. 2006 Reliability Engineering and System Safety, 91(7), pp. 747-755 Scopus  
Approximate estimation of system reliability via fault trees Dutuit Y., Rauzy A. 2005 Reliability Engineering and System Safety, 87(2), pp. 163-172 Scopus  

Publications 2004-2000

Document title Authors Year Source Link Could be interesting for the user of:
Disponibilite de production : les outils nouveaux sont arrivés ! / Production availability : new tools are coming ! J.-P. Signoret, M. Boiteau, A. Rauzy, P. Thomas 2004 14e Congrès de Maîtrise des Risques et Sûreté de Fonctionnement λµ14 n/a  
Modeles generiques de redondance M parmi N avec stock de rechanges S R. Laulheret, B. Lacosta, A. Cabarbaye 2003 4e Conférence Francophone de MOdélisation et SIMulation “Organisation et Conduite d’Activités dans l’Industrie et les Services”, MOSIM’03 n/a  
Mathematical foundations of minimal cutsets Rauzy A. 2001 IEEE Transactions on Reliability, 50(4), pp. 389-396 Scopus  
Efficient algorithms to assess component and gate importance in fault tree analysis Dutuit Y., Rauzy A. 2001 Reliability Engineering and System Safety, 72(2), pp. 213-222 Scopus Tree

Publications 1995-1999

Document title Authors Year Source Link Could be interesting for the user of:
Dependability modelling and evaluation by using stochastic Petri nets: Application to two test cases Dutuit Y., Châtelet E., Signoret J.-P., Thomas P. 1997 Reliability Engineering and System Safety, 55(2), pp. 117-124 Scopus Petri
Monte-Carlo Simulation to Propagate Uncertainties in Fault Trees encoded by means of Binary Decision Diagrams Dutuit Y., Rauzy A., J.P. Signoret 1997 n/a n/a Tree
BDD based fault-tree processing: a comparison of variable ordering heuristics M. Bouissou, F. Bruyere, A. Rauzy 1997 n/a n/a Tree
Computing Network Reliability with Reseda and Aralia Dutuit Y., Rauzy A., J.P. Signoret 1996 n/a n/a  
A Brief Introdution to Binary Deision Diagrams Rauzy A. 1996 n/a n/a  

Publications 1990-1994

Document title Authors Year Source Link Could be interesting for the user of:
New algorithms for fault trees analysis Rauzy A. 1993 Reliability Engineering and System Safety, 1993, 40(3), pp. 203–211 Scopus Tree

Publications 1985-1989

Document title Authors Year Source Link Could be interesting for the user of:
Use of Petri nets in availability studies Leroy A., Signoret J.P. 1989 n/a Scopus Petri
The Binomial Failure Rate Common Cause Model Corwin L. Atwood 1986 Technometrics, Vol. 28, No. 2, (May, 1986), pp. 139-148 Published by: American Statistical Association and American Society for Quality Scopus  
The 1800 m water depth drilling project: Risk analysis Signoret J.P., Leroy A. 1985 Reliability Engineering, 11 (2), pp. 83-92. Scopus Risk
Software tools as an aid for hardware and software reliability analysis Benejean R., Michon J.C., Signoret J.P. 1985 Safety of Computer Control Systems 1985 (SAFECOMP '85): Achieving Safe Real Time Computer Systems, Proceedings of the Fourth IFAC Workshop Scopus  
Probabilistic calculations of the production of a subsea production cluster Signoret J.P., Leroy A. 1985 Safety and Reliability Society Symposium 1985: Achievement of Reliability in Operating Plant Scopus  

Publications 1980-1984

Document title Authors Year Source Link Could be interesting for the user of:
Optimal testing of stand-by systems Signoret J.P., Muron O., Cohen G. 1983 Reliability Engineering, 1983, 4(3), pp. 127–139 Scopus  
The maximum likelihood estimate from a confidence level point of view-Proposition for an improved one Georgin J.P., Signoret J.P. 1981 Reliability Engineering, 1981, 2(4), pp. 259–269 Scopus  
Optimization of a Test Policy for Standby Systems / Optimisation de la politique de test des systemes en attente de fonctionnement Signoret J.P., Muron O., Cohen G. 1980 n/a Scopus