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Towards an Operational Design Domain That Supports the Safety Argumentation of an Automated Driving System
Zenuity AB, Sweden.ORCID iD: 0000-0001-9020-6501
Autonomous Intelligent Driving, Sweden.
RISE Research Institutes of Sweden, Safety and Transport, Electrification and Reliability. (Dependable Transport Systems)ORCID iD: 0000-0003-4069-6252
KTH Royal Institute of Technology, Sweden.
Show others and affiliations
2020 (English)In: 10th European Congress on Embedded Real Time Systems (ERTS 2020), Toulouse, France, 2020Conference paper, Published paper (Refereed)
Abstract [en]

One of the biggest challenges for self-driving road vehicles is how to argue that their safety cases are complete.The operational design domain (ODD) of the automated driving system (ADS) can be used to restrict where the ADS is valid and thus confine the scope of the safety case as well as the verification. To complete the safety case there is a need to ensure that the ADS will not exit its ODD. We present four generic strategies to ensure this. Use cases (UCs) provide a convenient way providing such a strategy for a collection of operating conditions (OCs) and furth erensures that the ODD allows for operation within the real world. A framework to categorise the OCs of a UC is presented and it is suggested that the ODD is written with this structure in mind to facilitate mapping towards potential UCs. The ODD defines the functional boundary of the system and modelling it with this structure makes it modular and generalisable across different potential UCs. Further, using the ODD to connect the ADS to the UC enables the continuous delivery of the ADS feature. Two examples of dimensions of the ODD are given and a strategy to avoid an ODD exit is proposed in the respective case.

Place, publisher, year, edition, pages
Toulouse, France, 2020.
Keywords [en]
ADS, automated driving system, functional safety, ODD, operational design domain
National Category
Embedded Systems
Identifiers
URN: urn:nbn:se:ri:diva-43696OAI: oai:DiVA.org:ri-43696DiVA, id: diva2:1390550
Conference
10th European Congress on Embedded Real Time Systems (ERTS 2020)
Projects
ESPLANADE
Funder
Vinnova, 2016-04268Available from: 2020-02-01 Created: 2020-02-01 Last updated: 2020-02-03Bibliographically approved

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fulltext(590 kB)16 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf