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{{Short description|Systems engineering methodology}}
'''Model-based systems engineering''' ('''MBSE''') represents a [[paradigm shift]] in [[systems engineering]], replacing traditional document-centric approaches with a methodology that uses structured [[Domain model|___domain models]] as the primary means of information exchange and system representation throughout the engineering lifecycle.<ref name=":022">{{Cite web |title=start [MBSE Wiki] |url=https://www.omgwiki.org/MBSE/doku.php?id=start |access-date=2021-04-06 |website=www.omgwiki.org}}</ref><ref>{{Citation |last=Douglass |first=Bruce Powel |title=Chapter 1 - What Is Model-Based Systems Engineering? |date=2016-01-01 |work=Agile Systems Engineering |pages=1–39 |editor-last=Douglass |editor-first=Bruce Powel |url=https://www.sciencedirect.com/science/article/pii/B9780128021200000011 |access-date=2021-04-06 |place=Boston |publisher=Morgan Kaufmann |language=en |isbn=978-0-12-802120-0}}</ref>
Unlike document-based approaches where system specifications are scattered across numerous text documents, [[Spreadsheet|spreadsheets]], and [[Diagram|diagrams]] that can become inconsistent over time, MBSE centralizes information in interconnected models that automatically maintain relationships between system elements. These models serve as the authoritative source of truth for [[Systems design|system design]], enabling automated verification of requirements, real-time impact analysis of proposed changes, and generation of consistent documentation from a single source. This approach significantly reduces errors from manual synchronization, improves traceability between requirements and implementation, and facilitates earlier detection of design flaws through simulation and analysis.
The MBSE approach has been widely adopted across industries dealing with complex systems development, including aerospace, defense, rail, automotive, and manufacturing.<ref>{{Cite journal |last1=Nouacer |first1=Réda |last2=Djemal |first2=Manel |last3=Niar |first3=Smail |last4=Mouchard |first4=Gilles |last5=Rapin |first5=Nicolas |last6=Gallois |first6=Jean-Pierre |last7=Fiani |first7=Philippe |last8=Chastrette |first8=François |last9=Lapitre |first9=Arnault |last10=Adriano |first10=Toni |last11=Mac-Eachen |first11=Bryan |date=2016-11-01 |title=EQUITAS: A tool-chain for functional safety and reliability improvement in automotive systems |url=https://www.sciencedirect.com/science/article/pii/S0141933116301156 |journal=Microprocessors and Microsystems |language=en |volume=47 |pages=252–261 |doi=10.1016/j.micpro.2016.07.020 |issn=0141-9331|url-access= }}</ref><ref>{{Cite book |last1=Chen |first1=B. |title=2018 International Conference on Intelligent Rail Transportation (ICIRT) |last2=Zhang |first2=S. |last3=Wang |first3=B. |date=December 2018 |isbn=978-1-5386-7528-1 |pages=1–5 |chapter=A Case Study of MBSE Method Used in the EMU Train Design |doi=10.1109/ICIRT.2018.8641645 |s2cid=61807576}}</ref><ref>{{Cite book |last1=Weiss |first1=E. |title=MILCOM 2019 - 2019 IEEE Military Communications Conference (MILCOM) |last2=Chung |first2=L. |last3=Nguyen |first3=L. |date=November 2019 |isbn=978-1-7281-4280-7 |pages=65–69 |chapter=A MBSE Approach to Satellite Clock Time and Frequency Adjustment in Highly Elliptical Orbit |doi=10.1109/MILCOM47813.2019.9020875 |s2cid=212648120}}</ref><ref>{{Cite book |last1=Hause |first1=M. |title=2018 13th Annual Conference on System of Systems Engineering (SoSE) |last2=Hummell |first2=J. |last3=Grelier |first3=F. |date=June 2018 |isbn=978-1-5386-4876-6 |pages=365–371 |chapter=MBSE Driven IoT for Smarter Cities |doi=10.1109/SYSOSE.2018.8428705 |s2cid=51976927}}</ref> By enabling consistent system representation across disciplines and development phases, MBSE helps organizations manage complexity, reduce development risks, improve quality, and enhance collaboration among multidisciplinary teams.
The [[International Council on Systems Engineering]] (INCOSE) defines MBSE as the ''formalized application of modeling to support system requirements, design, analysis, verification and validation activities beginning in the conceptual design phase and continuing throughout development and later life cycle phases.''<ref name=":022" /><ref>{{Cite web |title=Model-Based Systems Engineering (MBSE) (glossary) - SEBoK |url=https://sebokwiki.org/wiki/Model-Based_Systems_Engineering_(MBSE)_(glossary) |access-date=2021-04-06 |website=sebokwiki.org}}</ref>
==History==
The first known prominent public usage of the term "Model-Based Systems Engineering" is a book by A. Wayne Wymore with the same name.<ref>{{Cite book|last=Wymore|first=A. Wayne
In September 2007, the MBSE approach was further generalized and popularized when [[International Council on Systems Engineering|INCOSE]] introduced its "MBSE 2020 Vision", which was not restricted to SysML, and supported other competitive modeling language standards, such as AP233, HLA, and [[Modelica]].<ref>{{Cite journal |date=September 2007 |title=Systems Engineering Vision 2020, version 2.03 |url=http://www.ccose.org/media/upload/SEVision2020_20071003_v2_03.pdf |journal=INCOSE Technical Paper |issue=INCOSE-TP-2004-004-02}}</ref>
As of 2014, the scope of MBSE started to cover more [[Modeling and simulation|Modeling and Simulation]] topics, in an attempt to bridge the gap between system model specifications and related system software simulations. As a consequence, the term "modeling and simulation-based systems engineering" has also been increasingly associated along with MBSE.<ref>{{cite book|editor1-last=Gianni|editor1-first=Daniele|editor2-last=D'Ambrogio|editor2-first=Andrea|editor3-last=Tolk|editor3-first=Andreas|title=Modeling and Simulation-Based Systems Engineering Handbook|date=December 2014|publisher=CRC Press|___location=USA|isbn=9781466571457|edition=1}}</ref>
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* [[List of requirements engineering tools]]
* [[List of SysML tools]]
* [[Model-based
* [[Model-driven development]] (MDD)
* [[Object Management Group]]
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== Further reading ==
* [[Eclipse (software)|Eclipse IDE]] Modeling Project: {{Cite web|last=Gronback|first=Richard|title=Eclipse Modeling Project|url=https://www.eclipse.org/modeling/|access-date=2021-04-10|website=www.eclipse.org|language=en}}
* Estefan, Jeff A. "[
* David Long, Zane Scott. ''[
* Patrice Micouin, ''Model Based Systems Engineering: Fundamentals and Methods,'' 2014.
* Ana Luísa Ramos, José Vasconcelos Ferreira and Jaume Barceló. "[http://cs.anu.edu.au/courses/COMP3530/readings/05722047.pdf Model-based systems engineering: An emerging approach for modern systems]." Systems, Man, and Cybernetics, Part C: Applications and Reviews, IEEE Transactions on 42.1 (2012): 101-111.
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* Meillier, Renaud. "[https://blogs.sw.siemens.com/simcenter/system-simulation-in-the-context-of-mbse/ System Simulation in the Context of MBSE]", Siemens article 2021.
== External
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* [https://insights.sei.cmu.edu/blog/introduction-model-based-systems-engineering-mbse/ An Introduction to MBSE] - SEI Blog
* [https://
[[Category:Systems engineering]]
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