Schulung

Weitere Themen

 

Calculation of Safety Metric Values

 
       
       
 

TOP

TOPIC

Estimated time
 

1

Introduction failure rate calculation of functional safety

·       Probability

·       Failure rates

·       Component failures / Fault models

·       Distributions

·       Introduction of safe parameters (PFH, PFD, MTTFd)

 

4 h
 

2

Failure procedures and parameters

·       MTBF-calculation

·       λ-calculation

 

2 h
 

3

SIL-classification (according to IEC 61508)

·         Diagnostic Coverage

·         Common-Mode-Failures

·         Failure Rate

·         HFT (Hardware Fault Tolerance)

·         PFH, PFD calculation

 

4 h
 

4

Performance Level (according to DIN EN ISO 13849)

Calculation of safety chains

·         Simplified procedure

·         Explicit procedure

·         MTTFD

·         DC

·         Categories

 

3 h
 

5

Modeling

·         Fault tree analysis

·         RBD (Reliability Block Diagrams)

·         Markov

 

4 h
 

6

Failure rate calculation

·       Safety-oriented Bus systems

·       Fail-Safe-Principles, Technologies

·       Dual-channel technology, Multi-channel technology

 

4 h
 

7

Area of application

·       Calculation by using EXCEL

·       Calculation by using SISTEMA

 

4 h



Training Functional Safety ISO 26262

 

TOP

TOPIC

Estimated time

1

Introduction

·       Overview of main IEC / ISO Standards with
        relation to Functional Safe Software

·       Risk definition

·       Definition of Terms (PFH, DC, MTTF, Cat, SFF, HFT)

·       Meaning and Definition of the term “Safe” for software

·       Fault creeping in Software

·       Context: hardware and software

·       Software Life Cycle Model

·       Software Design Model

·       Design Routes 1S, 2S, 3S

 

3 h

2

Safety Management for Software ISO 26262

·       Safety Plan

·       Validation and Verification Plan (V&V plan)

·       Plan of fault avoidance

·       Documentation Plan

·       Requirement Engineering

·       Requirement Traceability

·       Software Design and Development Support Tools

·       Software Tool Qualification (T1, T2, T3)

 

4 h

3

Hardware Design ISO 26262

·       Hardware Architecture

·       Hardware Software Interface

·       Hardware Design

 

2 h

4

FMEA and PFH, MTTFD Calculation ISO 26262

·       Failure models

·       Failure rates

·       DC (Diagnostic Coverage)

·       SPF, MPF

 

2 h

5

Safety Software Design ISO 26262

·       Software Architecture

·       Hardware Software Interface

·       Software Module Design

·       Coding

·       Coding Guidelines

 

2 h

 

Training Functional Safety ISO 25119

 

TOP

TOPIC

Estimated time

1

Introduction

·       Overview of main IEC / ISO Standards with
        relation to Functional Safe Software

·       Risk definition

·       Definition of Terms (DC, MTTF, Cat)

·       Meaning and Definition of the term “Safe” for software

·       Context: hardware and software

·        

3 h

2

Safety Management ISO 25119

·       Safety Plan

·       Validation and Verification Plan (V&V plan)

·       Plan of fault avoidance

·       Documentation Plan

·       Requirement Engineering

·       Requirement Traceability

 

4 h

3

Hardware Design ISO 25119

·       Hardware Architecture

·       Fault avoidance

·       Hardware Software Interface

·       Hardware Design

 

2 h

4

FMEA and PFH, MTTFD Calculation ISO 25119

·       Failure models

·       Failure rates

·       DC (Diagnostic Coverage)

·       Categories

 

2 h

5

Safety Software Design ISO 25119

·       Software Architecture

·       Fault avoidance

·       Software Module Design

·       Coding

·       Coding Guidelines

 

2 h

6

Software Validation and Verification Methods

·       Reviews and qualified Review Reports

·       Tests (Static Tests)

·       Unit Testing

·       Module Integration Tests

·       PE Integration Test

·       Fault Insertion Test

·       Analysis

·       System Validation

 

2 h

7

Software for Diagnostic of Hardware

·       Failure detection algorithms

·       RAM Tests

·       ROM Tests

·       Stack Tests

·       Soft-Error-Problem

·       CPU Tests

·       MMU Tests

·       DMA, Hypervisor Problems

·       CACHE Problems

·       Program flow Monitoring

·       Use of special safety microcontroller

·       Lock-step

·       Software Partitioning

  

2 h