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Defining autonomous...
Defining autonomous functions using iterative hazard analysis and requirements refinement
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- Warg, Fredrik (författare)
- RISE,Elektronik,Dependable Systems
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- Gassilewski, M. (författare)
- Volvo Cars, Sweden
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- Tryggvesson, J. (författare)
- Comentor AB, Sweden
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- Izosimov, Viacheslav (författare)
- KTH,Mekatronik,KTH Royal Institute of Technology, Sweden
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- Werneman, A. (författare)
- Qamcom AB, Sweden
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- Johansson, R. (författare)
- RISE,Elektronik
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(creator_code:org_t)
- 2016-09-01
- 2016
- Engelska.
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Ingår i: International Conference on Computer Safety, Reliability, and Security, SAFECOMP 2016 and International Workshop on Assurance Cases for Software-Intensive Systems, ASSURE 2016, Workshop on Dependable Embedded and Cyber-physical Systems and Systems-of-Systems, DECSoS 2016, 5th International Workshop on Next Generation of System Assurance Approaches for Safety-Critical Systems, SASSUR 2016, and 1st International Workshop on the Timing Performance in Safety Engineering, TIPS 2016. - Cham : Springer. - 9783319454795 ; , s. 286-297
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Autonomous vehicles are predicted to have a large impact on the field of transportation and bring substantial benefits, but they present new challenges when it comes to ensuring safety. Today the standard ISO 26262:2011 treats each defined function, or item, as a complete scope for functional safety; the driver is responsible for anything that falls outside the items. With autonomous driving, it becomes necessary to ensure safety at all times when the vehicle is operating by itself. Therefore, we argue that the hazard analysis should have the wider scope of making sure the vehicle’s functions together fulfill its specifications for autonomous operation. The paper proposes a new iterative work process where the item definition is a product of hazard analysis and risk assessment rather than an input. Generic operational situation and hazard trees are used as a tool to widen the scope of the hazard analysis, and a method to classify hazardous events is used to find dimensioning cases among a potentially long list of candidates. The goal is to avoid dangerous failures for autonomous driving due to the specification of the nominal function being too narrow.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Inbäddad systemteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Embedded Systems (hsv//eng)
Nyckelord
- Autonomous vehicles
- Functional safety
- Hazard analysis
- ISO 26262
- Item definition
- Safety goals
- Crashworthiness
- Embedded systems
- Hazards
- Iterative methods
- Risk analysis
- Risk assessment
- Software reliability
- Specifications
- Systems engineering
- Vehicles
- Safety engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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