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@PHDTHESIS{Meyer:1015688,
author = {Meyer, Max-Arno},
othercontributors = {Andert, Jakob Lukas and Pischinger, Stefan},
title = {{S}zenariobasierte {S}ystems-{E}ngineering-{M}ethodik zur
{S}ystem- und {T}estfallspezifikation für automatisierte
{F}ahrfunktionen},
school = {Rheinisch-Westfälische Technische Hochschule Aachen},
type = {Dissertation},
address = {Aachen},
publisher = {RWTH Aachen University},
reportid = {RWTH-2025-06527},
pages = {1 Online-Ressource : Illustrationen},
year = {2025},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University; Dissertation, Rheinisch-Westfälische Technische
Hochschule Aachen, 2025},
abstract = {The introduction of vehicles featuring higher degrees of
automation presents the automotive industry with major
technical and methodological challenges. For example,
ensuring SOTIF (Safety of the Intended Functionality)
requires the evaluation of system behavior in a
high-dimensional, infinitely diverse space of possible
driving scenarios. In comparison with test methods of
varying degrees of virtualization for scenario exploration,
scenario-based system and test specification have been less
comprehensively researched to date. In particular, there are
research gaps in the integration and traceability of system
specification, scenario description and SOTIF argument as
well as test specification. While model-based systems
engineering (MBSE) is an established means of managing
complexity and increasing traceability and automation
potential, existing methods do not support scenario-based
specification or SOTIF analysis. Current test case
specifications for automated driving functions (ADF) are
often tool- and project-specific, not machine-readable and
require a lot of manual effort to create, which hinders the
exchange, reuse and automation of test cases across all test
methods. In this thesis, a scenario-based systems
engineering methodology for the specification of ADF is
developed. A central aspect is the extension of the MBSE
procedure Compositional Unified System-Based Engineering by
scenario definition and detailing as well as the modeling of
scenario sequences and parameter spaces, associated
variation points in system behavior and chains of evidence
for SOTIF argumentation. Another aspect is the development
of a test case specification format for scenario-based
testing, which for the first time combines the use of
standardized scenario data in preconditions, test sequences
and pass/fail criteria with an ISO/IEC/IEEE-29119-compliant,
tool-independent data structure for test cases. Both aspects
are linked by generating scenario-based test cases from the
MBSE model. The application of this methodology including
MBSE, test case derivation in the developed format as well
as subsequent test case implementation and execution by
means of simulation-based scenario variation is demonstrated
using the example of an ADF sub-function for autonomous
highway access in a prototype operational environment. This
demonstrates the traceability achieved with the new MBSE
method between the system, scenario and test case
specification, the resulting test space restriction as well
as the tool independence and automation potential of the
developed test case specification format. The novel systems
engineering methodology thus addresses identified research
gaps and improves quality assurance and efficiency in the
scenario-based ADF development.},
cin = {412330},
ddc = {620},
cid = {$I:(DE-82)412330_20140620$},
typ = {PUB:(DE-HGF)11},
doi = {10.18154/RWTH-2025-06527},
url = {https://publications.rwth-aachen.de/record/1015688},
}
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