Article (Scientific journals)
Multi-objective optimization for safety-related available E/E architectures scoping highly automated driving vehicles
Gonzalez de Oliveira, Ricardo; Navet, Nicolas; Henkel, Achim
2023In ACM Transactions on Design Automation of Electronic Systems, 28 (3), p. 37
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Keywords :
E/E architecture; Model Based Systems Engineering; Time-Sensitive Networking; Design Space Exploration; Automated Driving; Design Patterns; Safety-critical systems
Abstract :
[en] Megatrends such as Highly Automated Driving (HAD) (SAE $\geq$ Level-3), electrification, and connectivity are reshaping the automotive industry. Together with the new technologies, the business models will also evolve, opening up new possibilities and new fields of competition. To cope with the ongoing advances, new Electric/Electronic (E/E) architecture patterns are emerging in the sector, distributing the vehicle functions across several processing devices and enhancing the connectivity between them via Ethernet-based networks. Upcoming systems will demand Safety-Related Availability (SaRA) requirements in mixed-critical E/E architectures that challenge the concept of freedom from interference defined in ISO 26262. This work explores the concepts of SaRA system development according to ISO 26262, building a framework based on Model-Based Systems Engineering (MBSE) to evaluate feasible next-generation automotive E/E architecture designs with a multi-objective analysis. Additionally, we propose a pattern template for SaRA systems to automate the architecture synthesis. To illustrate the framework created, we evaluate a set of automotive E/E architectures synthesized to support mixed-critical vehicle features, including SaRA SAE Level-3 functions, considering the communication networks' performance as well as hardware and safety-related development costs. This work presents a methodology for Original Equipment Manufacturers (OEMs) and Tier1s suppliers that enables them to make the trade-offs arising in the design of E/E architectures based on quantified information.
Disciplines :
Computer science
Author, co-author :
Gonzalez de Oliveira, Ricardo;  Robert Bosch GmbH > Engineering Systems Solutions
Navet, Nicolas ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Computer Science (DCS)
Henkel, Achim;  Robert Bosch GmbH > Systems Engineering BBM Technical Strategies and Enabling
External co-authors :
yes
Language :
English
Title :
Multi-objective optimization for safety-related available E/E architectures scoping highly automated driving vehicles
Publication date :
22 March 2023
Journal title :
ACM Transactions on Design Automation of Electronic Systems
ISSN :
1557-7309
Publisher :
Association for Computing Machinery (ACM), United States - New York
Volume :
28
Issue :
3
Pages :
37
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Security, Reliability and Trust
Available on ORBilu :
since 16 January 2023

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