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ISO 26262 - Automotive Functional Safety

( Duration: 4 Days )

ISO 26262 provides guidance for the entire automotive safety life cycle, from overall risk management to individual component development, production, operation, service and decommissioning.

The ISO 26262 - Automotive Functional Safety training course, covers the background of ISO 26262 standard, its scope, the main differences from IEC 61508 (the general safety standard), and how the scope varies with adding new systems. This course provides an overview of all sections of ISO 26262 and its impact and helps you prepare for ISO 26262 by presenting the details of ISO 26262 in a practical way.

By attending ISO 26262 - Automotive Functional Safety workshop, delegates will learn to:

  • Understand the details of ISO 26262
  • Identify how the scope of ISO 26262 applies to their system
  • Develop a Safety Case plan complying ISO 26262
  • Respond to Development Interface Agreement compliant to ISO 26262
  • Define the safety goals and Automotive Safety Integrity Level (ASIL)
  • Determine the HW requirements based on ASIL
  • Determine the SW requirements based on ASIL

The ISO 26262 - Automotive Functional Safety class is ideal for:

  • System engineers
  • Software and hardware engineers
  • Managers responsible for the development and implementation of systems, software and hardware in a motor vehicle
  • Product development engineers
  • Quality engineers
  • Functional safety implementation leaders and senior management

COURSE AGENDA

1

Overview of the ISO 26262

  • Origin of ISO 26262
  • How ISO 26262 affect automotive development
  • Planning
  • System
  • Hardware
  • Software
  • Operations
  • Supporting processes
  • ASIL-oriented and safety-oriented analyses
  • Management of functional safety (part 2)
  • Documentation management system (part 8)
  • Production and operation (part 7)
  • Supporting processes (part 8)
  • Integration of ISO 26262 with ISO 9001 or ISO/TS 16949
2

Functional Safety Management (Part 2)

  • Planning, coordinating, and documenting activities associated with functional safety
  • Executing management plan for all stages of the safety life cycle, including:
    • Project-independent functional safety management activities
    • Safety management during development
    • Safety management after Start of Production (SOP)
3

Project-Independent Functional Safety Management Activities

  • Safety culture
  • Quality management
  • Continuous improvement
  • training and qualification
  • Application of the life cycle
4

Requirements of Safety Management

  • Organizational measures to achieve functional safety
  • Management of functional safety after SOP
  • Field monitoring and collection of data
  • Malfunction survey
  • Malfunction analysis
  • Malfunction solution
5

Work Products, Part 2

  • Company internal standard for functional safety
  • training and qualification programs
  • Quality management system
  • Safety plan
  • Overall project plan
  • Safety case
  • Results of the confirmation measures
  • Confirmation plan
  • Functional safety assessment plan
  • Evidence of a field monitoring process.
6

Concept Phase (Part 3)

  • Hazard analysis and risk assessment
    • Vehicle usage
    • Environmental conditions
    • Foreseeable driver use and misuse
    • Interaction between vehicle systems
  • Safety requirements
    • A safety goal is to be identified for each hazardous event evaluated in the hazard analysis
    • ASIL identified for the hazardous event is to be allocated to the associated safety goal
    • Potential hazard may have more than one safety goal
    • If similar safety goals are identified, they can be mixed with one safety goal that will be assigned the highest ASIL of the similar goals
7

Work Products, Part 3

  • Item definition
  • Effect evaluation
  • Hazard analysis and risk assessment
  • Safety goals
  • Review of hazard analysis, risk assessment and the safety goals
  • Functional safety concept
  • Review of the functional safety requirements
8

Product Development, System Level (Part 4)

  • Determine and plan the functional safety activities for each sub-phase of system development
  • Uses to both systems and subsystems
  • Requirement of the technical safety requirements
    • Define system properties
    • Identify other functional and non-functional requirements
  • System design and technical safety concept
    • Requirements for inhibiting systematic failures
    • Requirements for the control of random hardware failures during operation
    • Assign each technical safety requirement to hardware, software, or both
    • The hardware – software interface (HSI)
    • Requirements for production, operation, service, and decommissioning
    • Development at the hardware and software levels
  • Item integration and testing
  • Safety validation
  • Functional safety analysis
  • Preparing for production
9

Work Products, Part 4

  • Project plan
  • Safety plan
  • Validation plan
  • Functional safety evaluation plan
  • Technical safety requirements specification
  • System level verification report
  • Technical safety concept
  • System design specification
  • Item integration and testing plan
  • Requirements for manufacturing, operation, service, and decommissioning
  • HW/SW interface specification (HSI)
  • Integration testing specification
  • Integration testing report
  • Validation report
  • Functional safety assessment report
  • Production report
10

Product Development: Hardware Level (Part 5)

  • Determining relevant safety life cycle phases for item hardware engineering
  • Determining Hardware safety requirements
  • Designing hardware, protecting for safety concerns
  • Analyzing architectural constraints
  • Assessing possibility of violation of a safety goal
  • Hardware safety integration and test
11

Assessing Possibility of Violation of A Safety Goal

  • Probabilistic method for random hardware failure
  • Residual risk analysis method
12

Work Products, Part 5

  • Project plan
  • Safety plan
  • Hardware safety requirements specification
  • Hardware architectural measurement requirements
  • Random hardware failure requirements
  • Hardware-software interface specification
  • Hardware safety requirements verification report
  • Hardware design specification
  • Hardware safety analysis report
  • Hardware design verification report
  • Requirements for production and operation
  • Evaluation of the effectiveness of the system architecture to face with the hardware random failures
  • Review report of assessment of the effectiveness of the system architecture to face with the hardware random failures
  • Evaluation of random hardware failures
  • Specification of dedicated measures
  • Review report of evaluation of violation of the safety goal due to random HW failures
  • Hardware integration and verification report
13

Product Development: Software Level (Part 6)

  • Planning
  • Lists requirements to be satisfied for each phase of the software development life cycle
  • ASIL of software safety requirements flows down
  • Requires qualification of software tools used for software development (Part 8 Clause 11)
  • Determines standards to be addressed in design and coding guidelines
  • Software architectural design
    • Gives requirements for notations for SW architectural design
    • Design principles to use to accomplish modularity, encapsulation, minimum complexity
    • Allocates SW safety requirements to the SW components
    • Safety analysis (Part 9-8) applied to the software architecture
    • Requirements for addressing error detection
    • Requirements for addressing error handling
    • Specifies verification requirements
  • Software unit design and implementation
  • Notation requirements based on ASIL
  • Software unit testing
  • Verification of software safety requirements
14

Work Products, Part 7

  • Safety plan
  • Software verification plan
  • Design and coding guidelines for modeling and programming languages
  • Software tool application guidelines
  • Software safety requirements specification
  • Hardware-software interface specification
  • Software verification plan
  • Software verification report
  • Software architectural design specification
  • Safety analysis report
  • Dependent failures analysis report
  • Software unit design specification
  • Software unit implementation
  • Software verification specification
  • Embedded software
15

Production and Operation (Part 7)

  • Determines requirements on production, operation, service, and decommissioning
  • Production objectives
  • Planning
  • Requirements for production
16

Work Products, Part 7

  • Production plan
  • Production control plan
  • Documentation of performed control measures
  • Requirements of hardware or software development level
  • Evaluation report for capability of the production process
  • Maintenance plan
  • Repair instructions
  • User manual
  • Instructions regarding field observations
  • Instructions for decommissioning
  • Requirements associated with operation, maintenance and decommissioning at system, hardware or software development level
17

Supporting Processes (part 8)

  • Distributed development
  • Specification and management of safety requirements
  • Configuration management
  • Change management
  • Verification
  • Documentation
  • Qualification of software tools
  • Qualification of software components
  • Qualification of hardware components
  • Proven in use argument
  • Existing engineering processes
18

Work Products, Part 8

  • Supplier selection report
  • Development interface agreement
  • Supplier’s project plan
  • Supplier’s safety plan
  • Safety assessment report
  • Supply agreement
  • Change management plan
  • Change request
  • Impact analysis
  • Change request plan
  • Change report
  • Proven in use credit
  • Definition of candidate for proven in use argument
  • Proven in use analysis reports
  • Qualification plan
  • Hardware component testing plan
  • Qualification report
19

ASIL-Oriented and Safety-Oriented Analyses (Part 9)

  • Requirements decomposition with respect to ASIL tailoring
  • Criteria for coexistence of elements
  • Analysis of dependent failures
  • Safety analyses
20

Work Products, Part 9

  • Updated architectural information
  • Update of ASIL as attribute of safety requirements and elements
21

ISO 26262 Tools

  • FMEA
  • DFMEA
  • FTA
  • Difference between qualitative and quantitative FTAs in the context of ISO 26262
  • DFA
  • DRBFM
22

ISO 26262 Auditing

  • Managing audits
  • How to scope a ISO 26262 audit
  • Audit planning – different scenarios
  • Opening meeting
  • Conducting an audit to ISO 26262
  • Writing non-conformances
  • Closing meeting
  • Corrective action and close outs
  • Scope and audit planning for an ISO 26262 analysis
  • Conducting FSMS evaluation
  • Evaluation vs confirmation measure

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