SS-ISO-21448 › Road vehicles Safety of the intended functionality (ISO 21448:2022, IDT)
SS-ISO-21448
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2022 EDITION
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CURRENT
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This document provides a general argument framework and guidance on measures to ensure the safety of the intended functionality (SOTIF), which is the absence of unreasonable risk due to a hazard caused by functional insufficiencies, i.e.: a) the insufficiencies of specification of the intended functionality at the vehicle level; or b) the insufficiencies of specification or performance insufficiencies in the implementation of electric and/or electronic (E/E) elements in the system. This document provides guidance on the applicable design, verification and validation measures, as well as activities during the operation phase, that are needed to achieve and maintain the SOTIF. This document is applicable to intended functionalities where proper situational awareness is essential to safety and where such situational awareness is derived from complex sensors and processing algorithms, especially functionalities of emergency intervention systems and systems having levels of driving automation from 1 to 5[2]. This document is applicable to intended functionalities that include one or more E/E systems installed in series production road vehicles, excluding mopeds. Reasonably foreseeable misuse is in the scope of this document. In addition, operation or assistance of a vehicle by a remote user or communication with a back office that can affect vehicle decision making is in scope of this document when it can lead to safety hazards. This document does not apply to: faults covered by the ISO 26262 series; cybersecurity threats; hazards directly caused by the system technology (e.g. eye damage from the beam of a lidar); hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, release of energy and similar hazards, unless directly caused by the intended functionality of E/E systems; and ...
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43.040.10 (Electrical and electronic equipment)
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Designation Name
SS-ISO 21448:2022
Revision Level
2022 EDITION
Status
Current
Publication Date
July 6, 2022
Language(s)
English
Page Count
196
International Equivalent
ISO 21448:2022(IDT)