What question did this study set out to answer?

The research aims to explore the integration of STPA into SysML v2 for improved safety in automated transport systems.

April 19, 2026Systems Engineering0 citationsOpen Access

Extending SysML v2 for Safety ‐ Open‐Source Library for the System‐Theoretic Process Analysis

AAAlexander AhlbrechtDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)FWFlorian WagnerMSD (Austria)UDUmut DurakDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

Key Points

The research aims to explore the integration of STPA into SysML v2 for improved safety in automated transport systems.
Analyzed the features of SysML v2 and how it can be extended with safety libraries.
Investigated the capabilities of System Theoretic Process Analysis within the SysML v2 framework.
Identified current limitations and opportunities for future development in safety extensions.
Found that SysML v2 offers new integration opportunities for safety through its extensibility features.
Revealed current limitations regarding the maturity of tools for SysML v2 safety libraries.
Identified future work needed for standards and the development of library managers in SysML v2.

Abstract

ABSTRACT Safety challenges in automated transport systems create the need for a strong design and safety coupling. In this regard, the second version of the Systems Modeling Language (SysML v2) offers new integration opportunities with extensibility features such as libraries. Due to the novelty of SysML v2, safety libraries have not yet been sufficiently explored. Hence, this article investigates the integration of the System Theoretic Process Analysis (STPA) into SysML v2. STPA was selected because of its system‐theoretic foundation and suitability for analyzing complex transport systems. Results reveal opportunities (e.g., library managers), current limitations (e.g., tool maturity), and future work (e.g., standards) for SysML v2 safety extensions.

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