A Model‐Based V&amp;V Test Strategy Based on Emerging System Modeling Techniques

Gan, Wang; Pavalkis, Saulius

doi:10.1002/j.2334-5837.2019.00634.x

INCOSE International Symp

2019

DOI: 10.1002/j.2334-5837.2019.00634.x

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A Model‐Based V&V Test Strategy Based on Emerging System Modeling Techniques

Wang Gan

Saulius Pavalkis

Abstract: This paper describes a two‐stage, model‐based system testing approach to manage engineering changes on the established design baseline in the SysML based system model environment by leveraging standard‐based model execution and simulation. The technical baseline established in SysML is extended to PLM and the test domain through RFLP‐T architecture traceability. Using a real project Virtual Factory™, this paper demonstrates the application of model‐based testing to the early verification and validation (V&V) o… Show more

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Cited by 3 publications

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Verification and Validation Test Framework Using a Model‐Based Systems Engineering Approach

Ramirez,

Thompson

2023

INCOSE International Symp

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This paper describes a test framework for verification and validation (V&V) planning and execution using a model‐based system engineering (MBSE) approach that is suitable for large‐scale cyber‐physical systems. The test framework (TF) is defined using the systems modeling language (SysML) and an MBSE tool and describes and links to external test plans, test procedures, and other relevant test documents. This test framework approach includes the following considerations: level of abstraction of systems for testing, multiple types of testing across the development lifecycle, design vs. system V&V approaches, verification vs. validation, and the use of test patterns, instances, inheritance, and libraries. The libraries contain distinct types of tests to maximize model element reuse. An example is provided that illustrates the application of this V&V Test Framework (V&VTF) to a lubrication system. This method demonstrates that the proposed V&VTF is desirable as part of Systems Engineering metamorphosis to support an organization's digital transformation.

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Verification and Validation Test Framework Using a Model‐Based Systems Engineering Approach

Ramirez,

Thompson

2023

INCOSE International Symp

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Implementing a Model‐Based, Digital Engineering Enterprise for a Defense Systems Integrator – an Ongoing Journey

Gan

2020

INCOSE International Symp

Self Cite

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As the aerospace and defense industry strives to embrace digital engineering transformation, organizations quickly realize that this transformation is much more than just tools or infrastructure. It requires comprehensive change that involves people, process, and technology, and that calls for organizational strategy and stakeholder commitment. This paper provides an overview of an on‐going corporate initiative to develop an enterprise‐wide, model‐based systems engineering (MBSE) and model‐based engineering (MBE) capabilities and to instantiate a transformation of legacy workforce and culture. Our vision is to apply digital engineering (DE) as an enabler to transform legacy, document‐based development stovepipes into a product‐centric, integrated, digital engineering enterprise. At the implementation level, however, it involves a multipronged investment strategy in technology, infrastructure, process, and people, as well as an incremental process of learning and experiments. This paper lays out the architectural vision, implementation approach, and the business rationales. It also attempts to reflect on the journey to date, discussing some of the early successes, hurdles and challenges in implementing the digital engineering initiative for a diverse defense services business.

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Early Validation and Verification of System Behaviour in Model-based Systems Engineering: A Systematic Literature Review

Cederbladh,

Cicchetti,

Suryadevara

2024

ACM Trans. Softw. Eng. Methodol.

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In the Systems Engineering (SE) domain there has been a paradigm shift from document-based to model-based system development artefacts; in fact, new methodologies are emerging to meet the increasing complexity of current systems and the corresponding growing need of digital workflows. In this regard, Model-Based Systems Engineering (MBSE) is considered as a key enabler by many central players of the SE community. MBSE has reached an adequate level of maturity and there exist documented success stories in its adoption in industry. In particular, one significant benefit of utilising MBSE when compared to the traditional manual and document-centric workflows is that models are available from early phases of systems development; these enable a multitude of analyses prior any implementation effort together with other relevant capabilities, like the automation of development tasks. Nonetheless, it is noticeable there is a lack of a common understanding for how formal analyses for the verification and validation (V&V) of systems behaviour, specifically in the early phases of development, could be placed in an MBSE setting. In this article, we report on the planning, execution, and results of a systematic literature review regarding the early V&V of systems behaviour in the context of model-based systems engineering. The review aims to provide a structured representation of the state-of-the-art with respect to motivations, proposed solutions, and limitations. From an initial set of potentially relevant 701 peer-reviewed publications we selected 149 primary studies, which we analysed according to a rigorous data extraction, analysis, and synthesis process. Based on our results, early V&V has usually the goal of checking the quality of a system design to avoid discovering flaws when parts are being concretely realised; SysML is a de facto standard for describing the system under study, while the solutions for the analyses tend to be varied; also V&V analyses tend to target varied properties with a slight predominance of functional concerns, and following the variation mentioned so far the proposed solutions are largely context specific; the proposed approaches are usually presented without explicit limitations, while when limitations are discussed, readiness of the solutions, handling of analyses simplifications/assumptions, and languages/tools integration are among the most frequently mentioned issues. Based on the survey results and the standard SE practices, we discuss how the current state-of-the-art MBSE supports early V&V of systems behaviour with a special focus on industrial adoption, and identify relevant challenges to be researched further.

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A Model‐Based V&V Test Strategy Based on Emerging System Modeling Techniques

Cited by 3 publications

References 5 publications

Verification and Validation Test Framework Using a Model‐Based Systems Engineering Approach

Verification and Validation Test Framework Using a Model‐Based Systems Engineering Approach

Implementing a Model‐Based, Digital Engineering Enterprise for a Defense Systems Integrator – an Ongoing Journey

Early Validation and Verification of System Behaviour in Model-based Systems Engineering: A Systematic Literature Review

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