ISO26262 Product Development System Level

8/19/2019 ISO26262 Product Development System Level

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Product Development at System LevelISO 26262


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CONTENTS

•Overview

•Initiation of Product Development at the System level

•Specification of technical safety requirements.

•System Design

•Item integration and testing.

•Safety Validation.

•Functional Safety assessment

•elease for production.

•!onclusion


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Overview

Product Development phase at system level

Speciication o technical saety

re!uirements

System Desi"n

Item inte"ration and testin"

Initiation

• O#$ective

• Inputs

• %e!uirements and

%ecommendations

• &or' products

Saety (alidation

)unctional Saety *ssessment

%elease or production


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Overview


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Initiation o Product Development at the System level

&hat is System+

Set o elements that relates at least a sensor, a controller and an actuator with oneanother- *n element could #e ./&, S/&, hardware parts etc-

Electronic Throttle control systems


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Initiation o Product Development at the System level

O#$ective0

•To determine and plan the unctional saety activities durin" the

individual su# phases o system development-

• Saety activities

includin" methods andmeasures durin"

desi"n and inte"ration• Plan (alidation activities• Plan unctional saety

assessment-• Possi#le tailorin"

• %eined Pro$ect plan• Saety Plan• )unctional saety

assessment plan• )unctional saety

concept• Item deinition

• Pro$ect plan 1%eined

• Saety Plan 1%eined• Inte"ration and

testin" plan• (alidation plan• )unctional saety

assessment plan

1%eined

Input %e!uirements and%ecommendations

&or' Product


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Speciication o technical saety re!uirements

O#$ective0

•Speciy the technical saety re!uirements-

•Compliance chec' with unctional saety re!uirements-

• Speciy technical saety

re!uirements-

• Identiy saety mechanism-

• Perorm *SIL decomposition iapplica#le-

• *voidance o latent aults-

• (eriy technical saety

re!uirements-

• Develop/reine saety

validation plan-

• )unctional saety

concept-

• (alidation Plan-

• Saety "oals-

• Preliminary

architectural

assumptions-

• Technical

saety

re!uirement

speciication-

• System

veriication

report-

• (alidation plan-


&or' Product


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System Desi"n

O#$ective0

•"o develop the system design and technical safety concept compliance with functional requirements andtechnical safety requirements.

•Verify the system design and technical safety concept.

• Develop system

desi"n speciicationand technical saety

concept-

• Identiy system

architectural

• Item inte"ration and

testin" plan

• Technical saety

re!uirementsspeciication-

• )unctional concept-


concept-

• *rchitectural

assumptions-

• Technical saety

concept-

• System Desi"n

speciication-

• .&3S& interace

re!uirements

• Speciication o

re!uirements or

production, operation,

services and

decommissionin"-

• System veriication

report

• Saety analysis report-


&or' Product


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Item inte"ration and Testin"

O#$ective0

•"o test the element#item#system in compliance with each safety requirement.

•"o verify the $System design% covering the safety requirements are correctly implemented &y the entireitem

• Plannin" o inte"ration

and testin"

• .& and S& inte"rationand testin"

• System inte"ration and

testin"-

• (ehicle inte"ration and

testin"-

• Item inte"ration

and testin" plan

• Saety "oals-

• Technical saety

concept

• System desi"n

• .&3S& interace

speciication-


concept-

• (ehicle architecture

• Saety analysis

• Item

Inte"ration and

testin" plan1%eined-

• Inte"ration and

testin"

speciications-

• Inte"ration

testin" reports-


&or' Product


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Saety (alidation

O#$ective0

•"o provide evidence of compliance with the safety goals and that the functional safety concepts areappropriate for the functional safety of the item.

•"o provide evidence that the safety goals are correct' complete and fully achieved at the vehicle level.

• (alidation environment-

• Plannin" o validation-

• E4ecution o validation-

• Evaluation o result-

• .a5ard analysis

and ris'

assessment report-

• Saety "oals-

• Technical saety

concept

• )unctional concept


concept-

• Item inte"ration

and testin" plan-

• Saety analysis

• (alidation Plan

1%eined-

• (alidation

%eport-


&or' Product


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)unctional saety assessment

O#$ective0

•"o assess the functional safety that is achieved &y the item.

• Carry out )unctional

Saety assessment-

• Saety Plan

1%eined

• *ll review reports

• *udit report i

availa#le-


assessment plan

• )unctional

saety

assessment

report-


&or' Product


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%elease or Production

O#$ective0

•"o release for production criteria at the completion of the item development.

• %elease or production

• Document or release or

production

• )unctional saetyassessment report

• Saety case-

• %elease or

production

report-


&or' Product


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Conclusion


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Documents

ISO26262 Product Development System Level