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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, Säkerhet och transport, Elektrifiering och pålitlighet. (Dependable Transport Systems)ORCID-id: 0000-0003-4069-6252
KTH Royal Institute of Technology, Sweden.
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2020 (Engelska)Ingår i: 10th European Congress on Embedded Real Time Systems (ERTS 2020), Toulouse, France, 2020Konferensbidrag, Publicerat paper (Refereegranskat)
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.

Ort, förlag, år, upplaga, sidor
Toulouse, France, 2020.
Nyckelord [en]
ADS, automated driving system, functional safety, ODD, operational design domain
Nationell ämneskategori
Inbäddad systemteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-43696OAI: oai:DiVA.org:ri-43696DiVA, id: diva2:1390550
Konferens
10th European Congress on Embedded Real Time Systems (ERTS 2020)
Projekt
ESPLANADE
Forskningsfinansiär
Vinnova, 2016-04268Tillgänglig från: 2020-02-01 Skapad: 2020-02-01 Senast uppdaterad: 2024-04-11Bibliografiskt granskad

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Warg, FredrikSanfridson, MartinThorsén, Anders

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Gyllenhammar, MagnusWarg, FredrikSanfridson, MartinThorsén, Anders
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