Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems

Esperanza S. Torres; Srinivas Sriramula; David Celeita; Gustavo Ramos

doi:10.1109/IAS.2019.8911982

Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems

Esperanza S. Torres, Srinivas Sriramula, David Celeita, Gustavo Ramos

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Nowadays, different industries such as nuclear, automotive, process, chemical, and oil gas industry, must meet specific requirements in order to keep and reduce safety risks to as low as reasonably practicable (ALARP) level. As a result, the number of electrical/electronic/programmable electronic safety-related systems (E/E/PES) to control, prevent and mitigate hazardous events has increased. Moreover, new guidelines and procedures have been developed to guarantee the availability and function of safety systems over their service life. Based on Markov processes, this paper proposes a reliability model to assess the integrity and verify the design of E/E/PES safety-related systems. The average probability of failure on demand (PFD_avg) and Safety Integrity Level (SIL), are used to determine the reliability performance of an E/E/PES in a low demand mode of operation in accordance with the functional safety principles of the IEC 61508 and IEC 61511 standards.

Original language	English
Title of host publication	IEEE Industry Applications Society Annual Meeting
Subtitle of host publication	IAS 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Number of pages	7
ISBN (Electronic)	9781538645390
ISBN (Print)	9781538645406
DOIs	https://doi.org/10.1109/IAS.2019.8911982
Publication status	E-pub ahead of print - 28 Nov 2019

Publication series

Name	IEEE Industry Applications Society Annual Meeting
Publisher	IEEE
ISSN (Print)	0197-2618
ISSN (Electronic)	2576-702X

Keywords

functional safety
IEC 61508
Markov processes
probability of failure on demand
reliability assessment
Safety integrity level

Access to Document

10.1109/IAS.2019.8911982Licence: Unspecified

Link to publication in Scopus

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Cite this

Torres, E. S., Sriramula, S., Celeita, D., & Ramos, G. (2019). Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems. In IEEE Industry Applications Society Annual Meeting: IAS 2019 [8911982] (IEEE Industry Applications Society Annual Meeting). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IAS.2019.8911982

Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems. / Torres, Esperanza S.; Sriramula, Srinivas; Celeita, David; Ramos, Gustavo.

IEEE Industry Applications Society Annual Meeting: IAS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. 8911982 (IEEE Industry Applications Society Annual Meeting).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Torres, ES, Sriramula, S, Celeita, D & Ramos, G 2019, Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems. in IEEE Industry Applications Society Annual Meeting: IAS 2019., 8911982, IEEE Industry Applications Society Annual Meeting, Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1109/IAS.2019.8911982

Torres ES, Sriramula S, Celeita D, Ramos G. Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems. In IEEE Industry Applications Society Annual Meeting: IAS 2019. Institute of Electrical and Electronics Engineers Inc. 2019. 8911982. (IEEE Industry Applications Society Annual Meeting). https://doi.org/10.1109/IAS.2019.8911982

Torres, Esperanza S. ; Sriramula, Srinivas ; Celeita, David ; Ramos, Gustavo. / Model for Assessing the Safety Integrity Level of Electrical/ Electronic/Programmable Electronic Safety-Related Systems. IEEE Industry Applications Society Annual Meeting: IAS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. (IEEE Industry Applications Society Annual Meeting).

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