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BS ISO 21448:2022

BS ISO 21448:2022

$147.97

Road vehicles. Safety of the intended functionality

Published By Publication Date Number of Pages
BSI 2022 194
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
11 1 Scope
2 Normative references
12 3 Terms and definitions
21 4 Overview and organization of SOTIF activities
4.1 General
4.2 SOTIF principles
4.2.1 SOTIF-related hazardous event model
22 4.2.2 The four scenario areas
25 4.2.3 Sense-Plan-Act model
26 4.3 Use of this document
4.3.1 Flow chart and structure of this document
29 4.3.2 Normative clauses
4.3.3 Interpretation of tables
4.4 Management of SOTIF activities and supporting processes
4.4.1 Quality management, systems engineering and functional safety
30 4.4.2 Distributed SOTIF development activities
4.4.3 SOTIF-related element out of context
31 5 Specification and design
5.1 Objectives
5.2 Specification of the functionality and considerations for the design
32 5.3 System design and architecture considerations
33 5.4 Performance insufficiencies and countermeasures considerations
35 5.5 Work products
6 Identification and evaluation of hazards
6.1 Objectives
36 6.2 General
6.3 Hazard identification
39 6.4 Risk evaluation
40 6.5 Specification of acceptance criteria for the residual risk
41 6.6 Work products
7 Identification and evaluation of potential functional insufficiencies and potential triggering conditions
7.1 Objectives
7.2 General
42 7.3 Analysis of potential functional insufficiencies and triggering conditions
7.3.1 General
45 7.3.2 Potential functional insufficiencies and triggering conditions related to planning algorithms
7.3.3 Potential functional insufficiencies and triggering conditions related to sensors and actuators
46 7.3.4 Analysis of reasonably foreseeable direct or indirect misuse
47 7.4 Estimation of the acceptability of the system’s response to the triggering conditions
48 7.5 Work products
8 Functional modifications addressing SOTIF-related risks
8.1 Objectives
8.2 General
8.3 Measures to improve the SOTIF
8.3.1 Introduction
49 8.3.2 System modification
50 8.3.3 Functional restrictions
51 8.3.4 Handing over authority
8.3.5 Addressing reasonably foreseeable misuse
52 8.3.6 Considerations to support the implementation of SOTIF measures
8.4 Updating the input information for ā€œSpecification and designā€
8.5 Work products
9 Definition of the verification and validation strategy
9.1 Objectives
9.2 General
53 9.3 Specification of integration and testing
55 9.4 Work products
56 10 Evaluation of known scenarios
10.1 Objectives
10.2 General
10.3 Sensing verification
57 10.4 Planning algorithm verification
58 10.5 Actuation verification
10.6 Integrated system verification
59 10.7 Evaluation of the residual risk due to known hazardous scenarios
60 10.8 Work products
11 Evaluation of unknown scenarios
11.1 Objectives
11.2 General
11.3 Evaluation of residual risk due to unknown hazardous scenarios
62 11.4 Work products
11.4.1 Validation results for unknown hazardous scenarios fulfilling objective 11.1
11.4.2 Evaluation of the residual risk fulfilling objective 11.1
12 Evaluation of the achievement of the SOTIF
12.1 Objectives
63 12.2 General
12.3 Methods and criteria for evaluating the SOTIF
64 12.4 Recommendation for SOTIF release
12.5 Work products
65 13 Operation phase activities
13.1 Objectives
13.2 General
66 13.3 Topics for observation
67 13.4 SOTIF issue evaluation and resolution process
13.5 Work products
68 Annex A (informative) General guidance on SOTIF
105 Annex B (informative) Guidance on scenario and system analyses
135 Annex C (informative) Guidance on SOTIF verification and validation
169 Annex D (informative) Guidance on specific aspects of SOTIF
189 Bibliography

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BS ISO 21448:2022
$147.97