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Designing System Architecture Daniel Lammering Carolin Hilbert Final Event Aachen, Germany 28 June 2017
// Overview of Working Packages • • • • Functional & Safety Requirements for automated driving Specification and harmonization of functional and system architecture Definition of a fail-operational & resilient system architecture: • Duo Duplex Architecture with fault detection selected and advantages evaluated Specification of harmonized driving strategies for minimum risk maneuver & lane change maneuver 2 // 28 June 2017 AdaptIVe Final Event, Aachen
// System Architecture Design Logical Architecture Solution independent structuring of features Functional Architecture Functional description of logical features & their interfaces Network Architecture Electric infrastructure of the system and partitioning of SW functions and I/Os Wiring Harness Architecture ECU placement and the electrical & physical connections 3 // 28 June 2017 AdaptIVe Final Event, Aachen
// Initial System Architecture 4 // 28 June 2017 AdaptIVe Final Event, Aachen
// Refined System Architecture 5 // 28 June 2017 AdaptIVe Final Event, Aachen
// Technical Architecture Design Safety Goals Functional Safety Requirements RIF import Imported Requirements Functional Safety Concept Technical Safety Requirements DOORS Hazard & Risk Assessment Item Definition Technical Safety Concept 6 // 28 June 2017 AdaptIVe Final Event, Aachen
// Technical Architecture Design Imported Requirements Functional Safety Concept Technical Safety Concept 7 // 28 June 2017 AdaptIVe Final Event, Aachen Requirements Mapping Function Mapping
// Functional Safety and Redundancy Concept • Vehicle E/E – Architecture needs a holistic approach e.g Service Oriented Architectures, Cloud services, Update over the air › Safety & system architecture/ interface must be defined together › Safety, reliability and availability has important implications for analyzing › Fail Operational Behavior – fail silent may not be suitable any longer 8 // 28 June 2017 AdaptIVe Final Event, Aachen
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