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Improving Intelligent Vehicle Dependability By Means of Infrastructure-Induced Tests
TTTech Computertechnik AG, Vienna, Austria.
TTTech Computertechnik AG, Vienna, Austria.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0001-5269-3900
2015 (engelsk)Inngår i: Proceedings - 2015 45th Annual IEEE/IFIP International Conference on Dependable Systems and Networks Workshops, DSN-W 2015, 2015, s. 147-152Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Advanced driver assistance systems (ADAS) take over more and more driving responsibilities from the human operator and, therefore, evolve into safety-critical systems. Thus, the dependability of such systems is of up-most importance. While upcoming automobiles themselves will implement fault-tolerance and robustness mechanisms, it can be beneficial to also take infrastructure measures into account when assessing the overall vehicle dependability. In this paper we discuss an example of an infrastructure measure that targets to improve the dependability of an on-board computer vision system. Based on this example we outline a cyber-physical systems (CPS) architecture for intelligent vehicles and address open research directions.

sted, utgiver, år, opplag, sider
2015. s. 147-152
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-29632DOI: 10.1109/DSN-W.2015.14Scopus ID: 2-s2.0-84957714187ISBN: 978-0-7695-5533-1 (tryckt)OAI: oai:DiVA.org:mdh-29632DiVA, id: diva2:881494
Konferanse
45th Annual IEEE/IFIP International Conference on Dependable Systems and Networks Workshops, DSN-W 2015; Rio de Janeiro; Brazil; 22 June 2015 through 25 June 2015; Category numberE5533; Code 117672
Prosjekter
RetNet - The European Industrial Doctorate Programme on Future Real-Time NetworksTilgjengelig fra: 2015-12-10 Laget: 2015-11-26 Sist oppdatert: 2019-08-26bibliografisk kontrollert
Inngår i avhandling
1. Runtime Monitoring of Automated Driving Systems
Åpne denne publikasjonen i ny fane eller vindu >>Runtime Monitoring of Automated Driving Systems
2019 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
Abstract [en]

It is the period of the World's history, where the technological progress reached a level that enables the first steps towards the development of vehicles with automated driving capabilities. The swift response from the significant portion of the industry resulted in a race, the final line set at the introduction of vehicles with full automated driving capabilities.

Vehicles with automated driving capabilities target making driving safer, more comfortable, and economically more efficient by assisting the driver or by taking responsibilities for different driving tasks. While vehicles with assistance and partial automation capabilities are already in series production, the ultimate goal is in the introduction of vehicles with full automated driving capabilities. Reaching this level of automation will require shifting all responsibilities, including the responsibility for the overall vehicle safety, from the human to the computer-based system responsible for the automated driving functionality (i.e., the Automated Driving System (ADS)). Such a shift makes the ADS highly safe-critical, requiring a safety level comparable to an aircraft system.

It is paramount to understand that ensuring such a level of safety is a complex interdisciplinary challenge. Traditional approaches for ensuring safety require the use of fault-tolerance techniques that are unproven when it comes to the automated driving domain. Moreover, existing safety assurance methods (e.g., ISO 26262) suffer from requirements incompleteness in the automated driving context. The use of artificial intelligence-based components in the ADS further complicate the matter due to their non-deterministic behavior. At present, there is no single straightforward solution for these challenges. Instead, the consensus of cross-domain experts is to use a set of complementary safety methods that together are sufficient to ensure the required level of safety.

In the context of that, runtime monitors that verify the safe operation of the ADS during execution, are a promising complementary approach for ensuring safety. However, to develop a runtime monitoring solution for ADS, one has to handle a wide range of challenges. On a conceptual level, the complex and opaque technology used in ADS often make researchers ask the question ``how should ADS be verified in order to judge it is operating safely?".

Once the initial Runtime Verification (RV) concept is developed, researchers and practitioners have to deal with research and engineering challenges encountered during the realization of the RV approaches into an actual runtime monitoring solution for ADS. These challenges range from, estimating different safety parameters of the runtime monitors, finding solutions for different technical problems, to meeting scalability and efficiency requirements.

The focus of this thesis is to propose novel runtime monitoring solutions for verifying the safe operation of ADS. This encompasses (i) defining novel RV approaches explicitly tailored for automated driving, and (ii) developing concepts, methods, and architectures for realizing the RV approaches into an actual runtime monitoring solution for ADS. Contributions to the former include defining two runtime RV approaches, namely the Computer Vision Monitor (CVM) and the Safe Driving Envelope Verification. Contributions to the latter include (i) estimating the sufficient diagnostic test interval of the runtime verification approaches (in particular the CVM), (ii) addressing the out-of-sequence measurement problem in sensor fusion-based ADS, and (iii) developing an architectural solution for improving the scalability and efficiency of the runtime monitoring solution.

sted, utgiver, år, opplag, sider
Västerås: Mälardalen University, 2019
Serie
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 281
Emneord
Runtime Monitoring, Automated Driving Systems
HSV kategori
Forskningsprogram
datavetenskap
Identifikatorer
urn:nbn:se:mdh:diva-45068 (URN)978-91-7485-434-3 (ISBN)
Presentation
2019-10-17, Delta, Mälardalens högskola, Västerås, 13:15 (engelsk)
Opponent
Veileder
Prosjekter
RetNet
Tilgjengelig fra: 2019-08-28 Laget: 2019-08-26 Sist oppdatert: 2019-09-17bibliografisk kontrollert

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