A Fault Tree Approach Focusing on Electromagnetic Interference

Klaus Hörmaier; Hubert Zangl; Daniel Kircher; Bernd Deutschmann

doi:10.1109/EMCCompo52133.2022.9758606

A Fault Tree Approach Focusing on Electromagnetic Interference

Klaus Hörmaier, Hubert Zangl, Daniel Kircher^*, Bernd Deutschmann

^*Corresponding author for this work

Institute of Electronics (4390)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Abstract

Compatibility with respect to Electromagnetic Interference (EMI) is an important property of all electric and electronic systems. Consequently, functional safety standards require that EMI is considered. In contrast to other properties, EMI is usually not treated in a statistical sense, i.e. a system is considered compatible if it succeeds to withstand a certain level of disturbances. This paper aims to discuss this approach and suggests to differentiate two types of interferences. The first type, which is the normal EMI and which is typically of comparatively low power, may occur at any time during normal operation. Consequently, the system has to fully comp with such disturbers. The second type of EMI is caused by component failures. This type of disturbances is responsible for high power levels. However, as it is only present in case of component failures, it may be treated similar to other faults in the system. We describe how this approach allows for integrating interference caused by component faults into a Fault Tree Analysis of the system.

Original language	English
Title of host publication	2021 13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMC Compo 2021
Publisher	Institute of Electrical and Electronics Engineers
Pages	133-138
Number of pages	6
ISBN (Electronic)	9781665423809
DOIs	https://doi.org/10.1109/EMCCompo52133.2022.9758606
Publication status	Published - 11 Mar 2022
Event	13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits: EMC Compo 2021 - Virtuell, Austria Duration: 9 Mar 2022 → 11 Mar 2022

Conference

Conference	13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits
Country/Territory	Austria
City	Virtuell
Period	9/03/22 → 11/03/22

Keywords

functional safety
Electromagnetic interference
Electromagnetic compatibility
ISO 26262
EMI Reduction
IEC 62132
fault tree analysis

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Electrical and Electronic Engineering
Radiation

Fields of Expertise

Information, Communication & Computing

Access to Document

10.1109/EMCCompo52133.2022.9758606

Cite this

A Fault Tree Approach Focusing on Electromagnetic Interference. / Hörmaier, Klaus; Zangl, Hubert; Kircher, Daniel et al.
2021 13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMC Compo 2021. Institute of Electrical and Electronics Engineers, 2022. p. 133-138.

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Hörmaier, K, Zangl, H, Kircher, D & Deutschmann, B 2022, A Fault Tree Approach Focusing on Electromagnetic Interference. in 2021 13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMC Compo 2021. Institute of Electrical and Electronics Engineers, pp. 133-138, 13th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, Virtuell, Austria, 9/03/22. https://doi.org/10.1109/EMCCompo52133.2022.9758606

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AU - Kircher, Daniel

AU - Deutschmann, Bernd

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N2 - Compatibility with respect to Electromagnetic Interference (EMI) is an important property of all electric and electronic systems. Consequently, functional safety standards require that EMI is considered. In contrast to other properties, EMI is usually not treated in a statistical sense, i.e. a system is considered compatible if it succeeds to withstand a certain level of disturbances. This paper aims to discuss this approach and suggests to differentiate two types of interferences. The first type, which is the normal EMI and which is typically of comparatively low power, may occur at any time during normal operation. Consequently, the system has to fully comp with such disturbers. The second type of EMI is caused by component failures. This type of disturbances is responsible for high power levels. However, as it is only present in case of component failures, it may be treated similar to other faults in the system. We describe how this approach allows for integrating interference caused by component faults into a Fault Tree Analysis of the system.

AB - Compatibility with respect to Electromagnetic Interference (EMI) is an important property of all electric and electronic systems. Consequently, functional safety standards require that EMI is considered. In contrast to other properties, EMI is usually not treated in a statistical sense, i.e. a system is considered compatible if it succeeds to withstand a certain level of disturbances. This paper aims to discuss this approach and suggests to differentiate two types of interferences. The first type, which is the normal EMI and which is typically of comparatively low power, may occur at any time during normal operation. Consequently, the system has to fully comp with such disturbers. The second type of EMI is caused by component failures. This type of disturbances is responsible for high power levels. However, as it is only present in case of component failures, it may be treated similar to other faults in the system. We describe how this approach allows for integrating interference caused by component faults into a Fault Tree Analysis of the system.

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KW - Electromagnetic interference

KW - Electromagnetic compatibility

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KW - EMI Reduction

KW - IEC 62132

KW - fault tree analysis

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ER -

A Fault Tree Approach Focusing on Electromagnetic Interference

Abstract

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Keywords

ASJC Scopus subject areas

Fields of Expertise

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