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Writing Effective Requirements and Test Cases for ISO 26262

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Seminar Content

This two-day seminar provides guidance on developing Effective Requirements in support of ISO 26262. The course will explain how write technical requirements to operationalize a top-level Safety Goal into Hardware, Software and Hardware-Software Interfaces requirements.

Participants will learn to create top down requirements which are traceable from level to level.

Effective criteria used to generate Technical Requirements from Safety Goals will be shown.

Who Should Attend

Stakeholders at every phase of Requirement development, verification and application will benefit from participation.  Engineers and managers responsible for Systems, Hardware, Electrical and Software Sub-systems; Test and Validation Engineers, Manufacturing Engineers, Functional Safety Engineers, Safety Program Managers and others who are involved in the implementation of ISO 26262 are good candidates for attendance. Participants should have solid functional knowledge of their roles and responsibilities in support of their Company’s Safety Initiative.

Recommended Training and/or Experience

Participants should be involved in or have a general understanding of Functional Safety development as it relates to the motor vehicle industry.

Seminar Materials

Each participant will receive a seminar manual including case studies.

Seminar Goals

  • Development of good requirements which meet stakeholder needs
  • Understand Functional Safety Requirements and associated deliverables which support sections of Standard ISO 26262
  • Understand the relationship between Safety Goals/ Requirements and Technical Requirements
  • Consider integration of Hardware, Software and HW/ SW interface requirements
  • Understand the specification and integration of effective technical requirements in the product development process

Workshop Outline

Day 1

  • Fundamental Considerations:
    • Critical aspects of good requirements
    • Traceability and decomposition of requirements level to level
  • Breakout 1: Writing Safety Goals which can be allocated to design elements
  • Concept Phase: how to develop each required deliverable
  • Understanding initial Risk Assessment process
  • Breakout 2: Writing Item Definitions, identifying appropriate Failure Modes, developing Situation Analyses, identifying Hazards and Top-Level Risk Assessment
  • Writing Systems Level Requirements
  • Writing Hardware Sub-System Requirements
  • Writing Software Sub-System Requirements
  • Breakout 3: Developing and linking System and Sub-System Requirements

Day 2

Integrating Hardware and Software Requirements

  • Breakout 4: Writing compatible Hardware, Software and HW/SW requirements
  • Confirming requirements through use of Verification and Validation assessments
  • Breakout 5: Developing a “Test Plan”
  • Consideration of Production, Operation, Service and Decommissioning Requirements
  • Confirmation of adequacy of requirements specifications in support of stated Safety Goals
  • Management of Technical Requirements
  • Breakout 6: Qualification of design elements
  • Supplemental Issues: Safety of the Intended Function requirements
  • Summary

Writing Effective Requirements for ISO 26262

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