ISO 26262 - Hardware safety analysis (FMEDA) using the IQ software

Seminar content at a glance

• Brief introduction to quantitative safety analysis according to ISO 26262: Analysis of single-point and multiple-point failures

• Important terminology and procedures: ASIL, SPFM, LFM, PMHF

• Tool-supported calculation of FuSa metrics and target/actual comparison

• Consistent, systematic analysis of the item from FMEA to FMEDA and to fault tree analysis (FTA)

• Modelling of safety mechanisms (diagnoses) and their mal-functions (latent failure, false failure)

• Practical implementation of an FuSa project using the "low beam light" training example

Systems with electrical and/or electronic components that carry out safety functions are to be assessed with regard to safety aspects (so-called hardware safety analysis). For this purpose, you need to create a FMEA (often a System FMEA). Depending on the ASIL classification of the safe-ty goal, you need to additionally calculate the quantitative parameters of the random hardware failures (SPFM, LFM, and PMHF) and verify the compliance with the required target values.

In this seminar, you will be presented an IQ Software procedure using the example of “low beam light” to use the already modelled system be-havior (function and failure nets) from your (System) FMEA to calculate the Functional Safety (FMEDA). Furthermore, you will learn how to use the single-point failures from the FMEA analysis as the starting point of a fault tree analysis (FTA). All three analyses (FMEA, FMEDA, and FTA) are based on a database. Thus, you avoid redundant data management and tool disruption.

Target group

All those involved in an Functional safety project who have to systematically analyse their item for single-point and multiple-point failures and calculate the quantitative parameters in accordance with ISO 26262.

Prior knowledge

Knowledge of the ISO 26262 standard (in particular Part 5)
Basic knowledge of operating the APIS IQ software (content of the Two-in-One seminar)