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Outputs (10)

SafeML: Safety Monitoring of Machine Learning Classifiers Through Statistical Difference Measures (2020)
Journal Article
Aslansefat, K., Sorokos, I., Whiting, D., Tavakoli Kolagari, R., & Papadopoulos, Y. (2020). SafeML: Safety Monitoring of Machine Learning Classifiers Through Statistical Difference Measures. Lecture notes in computer science, 12297, 197-211. https://doi.org/10.1007/978-3-030-58920-2_13

Ensuring safety and explainability of machine learning (ML) is a topic of increasing relevance as data-driven applications venture into safety-critical application domains, traditionally committed to high safety standards that are not satisfied with... Read More about SafeML: Safety Monitoring of Machine Learning Classifiers Through Statistical Difference Measures.

An Integrated Approach to Support the Process-Based Certification of Variant-Intensive Systems (2020)
Journal Article
Bressan, L., de Oliveira, A. L., Campos, F., Papadopoulos, Y., & Parker, D. (2020). An Integrated Approach to Support the Process-Based Certification of Variant-Intensive Systems. Lecture notes in computer science, 12297 LNCS, 179-193. https://doi.org/10.1007/978-3-030-58920-2_12

© 2020, Springer Nature Switzerland AG. Component-based approaches and software product lines have been adopted by industry to manage the diversity of configurations on safety-critical software. Safety certification demands compliance with standards.... Read More about An Integrated Approach to Support the Process-Based Certification of Variant-Intensive Systems.

Failure Mode Reasoning in Model Based Safety Analysis (2020)
Journal Article
Jahanian, H., Parker, D., Zeller, M., McIver, A., & Papadopoulos, Y. (2020). Failure Mode Reasoning in Model Based Safety Analysis. Lecture notes in computer science, 12297 LNCS, 130-145. https://doi.org/10.1007/978-3-030-58920-2_9

© 2020, Springer Nature Switzerland AG. Failure Mode Reasoning (FMR) is a novel approach for analyzing failure in a Safety Instrumented System (SIS). The method uses an automatic analysis of an SIS program to calculate potential failures in parts of... Read More about Failure Mode Reasoning in Model Based Safety Analysis.

A runtime safety analysis concept for open adaptive systems (2019)
Journal Article
Kabir, S., Sorokos, I., Aslansefat, K., Papadopoulos, Y., Gheraibia, Y., Reich, J., …Wei, R. (2019). A runtime safety analysis concept for open adaptive systems. Lecture notes in computer science, 11842, 332-346. https://doi.org/10.1007/978-3-030-32872-6_22

© Springer Nature Switzerland AG 2019. In the automotive industry, modern cyber-physical systems feature cooperation and autonomy. Such systems share information to enable collaborative functions, allowing dynamic component integration and architectu... Read More about A runtime safety analysis concept for open adaptive systems.

A Study of Automatic Allocation of Automotive Safety Requirements in Two Modes: Components and Failure Modes (2018)
Journal Article
Parker, D., Godof, A., Papadopoulos, Y., & Saintis, L. (2018). A Study of Automatic Allocation of Automotive Safety Requirements in Two Modes: Components and Failure Modes. SAE Technical Papers, 2018-April, https://doi.org/10.4271/2018-01-1076

ISO 26262 describes a safety engineering approach in which the safety of a system is considered from the early stages of design through a process of elicitation and allocation of system safety requirements. These are expressed as automotive safety in... Read More about A Study of Automatic Allocation of Automotive Safety Requirements in Two Modes: Components and Failure Modes.

Model-connected safety cases (2017)
Journal Article
Retouniotis, A., Papadopoulos, Y., Sorokos, I., Parker, D., Matragkas, N., & Sharvia, S. (2017). Model-connected safety cases. Lecture notes in computer science, 10437 LNCS, 50-63. https://doi.org/10.1007/978-3-319-64119-5_4

© 2017, Springer International Publishing AG. We propose the concept of a model-connected safety case that could simplify certification of complex systems. System design models support the synthesis of both the structure of the safety case and the ev... Read More about Model-connected safety cases.

Using simulation to evaluate dynamic systems with weibull or lognormal distributions (2014)
Journal Article
Edifor, E., Gordon, N., Walker, M., & Papadopoulos, Y. (2014). Using simulation to evaluate dynamic systems with weibull or lognormal distributions. Advances in Intelligent Systems and Computing, 286, 117-187. https://doi.org/10.1007/978-3-319-07013-1_17

© Springer International Publishing Switzerland 2014. Most techniques for quantitatively analysing the temporal fault trees of safety-critical systems are used with the assumption that the systems under study have exponentially distributed component... Read More about Using simulation to evaluate dynamic systems with weibull or lognormal distributions.

System dependability modelling and analysis using AADL and HiP-HOPS (2012)
Journal Article
Mian, Z., Bottaci, L., Papadopoulos, Y., & Biehl, M. (2012). System dependability modelling and analysis using AADL and HiP-HOPS. IFAC Proceedings Volumes/ International Federation of Automatic Control, 45(6), 1647-1652. https://doi.org/10.3182/20120523-3-RO-2023.00334

The Architecture Analysis and Design Language (AADL) is gaining widespread acceptance in aerospace, automobile and avionics industries for designing dependability-critical systems. The design process of dependable systems must address both cost and d... Read More about System dependability modelling and analysis using AADL and HiP-HOPS.

Dynamic effect of perfect preventive maintenance on system reliability and cost using HiP-HOPS (2010)
Journal Article
Nggada, S. H., Parker, D. J., & Papadopoulos, Y. I. (2010). Dynamic effect of perfect preventive maintenance on system reliability and cost using HiP-HOPS. IFAC Proceedings Volumes/ International Federation of Automatic Control, 43(17), 204-209. https://doi.org/10.3182/20100908-3-pt-3007.00039

The occurrence of failure in a safety critical engineering system can be reduced through the use of preventive maintenance (PM). Each time a component of the system is maintained its effective age is reduced; the extent of this age reduction depends... Read More about Dynamic effect of perfect preventive maintenance on system reliability and cost using HiP-HOPS.

Non-coherent modelling in compositional fault tree analysis (2008)
Journal Article
Sharvia, S., & Papadopoulos, Y. I. (2008). Non-coherent modelling in compositional fault tree analysis. IFAC Proceedings Volumes/ International Federation of Automatic Control, 41(2), 4138-4143. https://doi.org/10.3182/20080706-5-KR-1001.00696

The inclusion of NOT gates in a fault tree creates a 'non-coherent' structure in which not only the failure of a component but also the negation of failure, i.e. the working state of the component, can contribute to the undesirable effects on a syste... Read More about Non-coherent modelling in compositional fault tree analysis.