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Design of a knowledge-base strategy for capability-aware treatment of uncertainties of automated driving systems
KTH Royal Institute of Technology, Sweden.
RISE - Research Institutes of Sweden, Säkerhet och transport, Elektronik.
KTH Royal Institute of Technology, Sweden.
Zenuity AB, Sweden.
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2018 (Engelska)Ingår i: Lect. Notes Comput. Sci., 2018, s. 446-457Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Automated Driving Systems (ADS) represent a key technological advancement in the area of Cyber-physical systems (CPS) and Embedded Control Systems (ECS) with the aim of promoting traffic safety and environmental sustainability. The operation of ADS however exhibits several uncertainties that if improperly treated in development and operation would lead to safety and performance related problems. This paper presents the design of a knowledge-base (KB) strategy for a systematic treatment of such uncertainties and their system-wide implications on design-space and state-space. In the context of this approach, we use the term Knowledge-Base (KB) to refer to the model that stipulates the fundamental facts of a CPS in regard to the overall system operational states, action sequences, as well as the related costs or constraint factors. The model constitutes a formal basis for describing, communicating and inferring particular operational truths as well as the belief and knowledge representing the awareness or comprehension of such truths. For the reasoning of ADS behaviors and safety risks, each system operational state is explicitly formulated as a conjunction of environmental state and some collective states showing the ADS capabilities for perception, control and actuations. Uncertainty Models (UM) are associated as attributes to such state definitions for describing and quantifying the corresponding belief or knowledge status due to the presences of evidences about system performance and deficiencies, etc. On a broader perspective, the approach is part of our research on bridging the gaps among intelligent functions, system capability and dependability for mission-&safety-critical CPS, through a combination of development- and run-time measures. © Springer Nature Switzerland AG 2018.

Ort, förlag, år, upplaga, sidor
2018. s. 446-457
Nyckelord [en]
Automated Driving System (ADS), Cyber-Physical System (CPS), Embedded Control System (ECS), Knowledge-Base (KB), Safety, Uncertainty Models (UM), Accident prevention, Automation, Control systems, Cyber Physical System, Deceleration, Knowledge based systems, Risk perception, Safety engineering, Sustainable development, Automated driving systems, Embedded control systems, Knowledge base, Uncertainty models, Embedded systems
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Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-35922DOI: 10.1007/978-3-319-99229-7_38Scopus ID: 2-s2.0-85053928373ISBN: 9783319992280 (tryckt)OAI: oai:DiVA.org:ri-35922DiVA, id: diva2:1261457
Konferens
CSAFECOMP 2018. Computer Safety, Reliability, and Security. / [ed] Gallina B., Skavhaug A., Schoitsch E., Bitsch F., Cham, 2018, Vol. 11094
Anmärkning

Projekt:ESPLANADE  Forskningsfinansiär: VINNOVA

Tillgänglig från: 2018-11-07 Skapad: 2018-11-07 Senast uppdaterad: 2018-11-07Bibliografiskt granskad

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Warg, Fredrik

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