<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The paper deals with the problem of modelling safety features of the safety Fieldbus transmission system used within safety related control systems. The basic principles of the modelling failures effect upon the safety of closed transmission system and standards used in the process of safety evaluation are summarized in the paper. The practical part is oriented to a description of a realized Markov model for determination of the random failures effect on the safety of a closed transmission system. The model reflects the safety analysis of failures effect caused by electromagnetic interference in the communication channel and random HW failures of the transmission system. In the paper the results of simulation of parameters of the transmission system are discussed, such as the probability of an undetected corrupted message.</p></abstract>

The paper deals with the problem of modelling safety features of the safety Fieldbus transmission system used within safety related control systems. The basic principles of the modelling failures effect upon the safety of closed transmission system and standards used in the process of safety evaluation are summarized in the paper. The practical part is oriented to a description of a realized Markov model for determination of the random failures effect on the safety of a closed transmission system. The model reflects the safety analysis of failures effect caused by electromagnetic interference in the communication channel and random HW failures of the transmission system. In the paper the results of simulation of parameters of the transmission system are discussed, such as the probability of an undetected corrupted message.

Safety Evaluation of Fail-Safe Fieldbus in Safety Related Control System

Department of Control and Information Systems, Faculty of Electrical Engineering, University of Žilina, Univerzitná 8215/1, SK-010 26 Žilina, Slovakia

Journal of Electrical Engineering

{"article-title":"Safety Evaluation of Fail-Safe Fieldbus in Safety Related Control System"}

The paper deals with the problem of modelling safety features of the safety Fieldbus transmission system used within safety related control systems. The basic...

Safety Evaluation of Fail-Safe Fieldbus in Safety Related Control System

Publié en ligne: 07 juin 2011

Pages: 350 - 356

DOI: https://doi.org/10.2478/v10187-010-0054-z

Mots clés
safety fieldbus, Markov model, safety analysis, random failures, Fieldbus transmission system

This content is open access.

Safety Evaluation of Fail-Safe Fieldbus in Safety Related Control System

Publié en ligne: 07 juin 2011

Pages: 350 - 356

DOI: https://doi.org/10.2478/v10187-010-0054-z

Mots cléssafety fieldbus, Markov model, safety analysis, random failures, Fieldbus transmission system

This content is open access.

Mots clés
safety fieldbus, Markov model, safety analysis, random failures, Fieldbus transmission system