Digital requirements engineering with an INCOSE-derived SysML meta-model

• URL: http://arxiv.org/abs/2410.21288v1
• Date: Sat, 12 Oct 2024 03:06:13 GMT
• Title: Digital requirements engineering with an INCOSE-derived SysML meta-model
• Authors: James S. Wheaton, Daniel R. Herber,
• Abstract summary: We extend the Model-Based Structured Requirement SysML Profile to comply with the INCOSE Guide to Writing Requirements. The resulting SysML Profile was applied in two system architecture models at NASA Jet Propulsion Laboratory.
• Score: 0.0
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• Abstract: Traditional requirements engineering tools do not readily access the SysML-defined system architecture model, often resulting in ad-hoc duplication of model elements that lacks the connectivity and expressive detail possible in a SysML-defined model. Further integration of requirements engineering activities with MBSE contributes to the Authoritative Source of Truth while facilitating deep access to system architecture model elements for V&V activities. We explore the application of MBSE to requirements engineering by extending the Model-Based Structured Requirement SysML Profile to comply with the INCOSE Guide to Writing Requirements while conforming to the ISO/IEC/IEEE 29148 standard requirement statement patterns. Rules, Characteristics, and Attributes were defined in SysML according to the Guide to facilitate requirements definition, verification & validation. The resulting SysML Profile was applied in two system architecture models at NASA Jet Propulsion Laboratory, allowing us to assess its applicability and value in real-world project environments. Initial results indicate that INCOSE-derived Model-Based Structured Requirements may rapidly improve requirement expression quality while complementing the NASA Systems Engineering Handbook checklist and guidance, but typical requirement management activities still have challenges related to automation and support in the system architecture modeling software.

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