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using a model-based systems engineering approach for exploration medical system developmentNASA's Human Research Program's Exploration Medical Capabilities (ExMC) element is defining the medical system needs for exploration class missions. ExMC's Systems Engineering (SE) team will play a critical role in successful design and implementation of the medical system into exploration vehicles. The team's mission is to "Define, develop, validate, and manage the technical system design needed to implement exploration medical capabilities for Mars and test the design in a progression of proving grounds." Development of the medical system is being conducted in parallel with exploration mission architecture and vehicle design development. Successful implementation of the medical system in this environment will require a robust systems engineering approach to enable technical communication across communities to create a common mental model of the emergent engineering and medical systems. Model-Based Systems Engineering (MBSE) improves shared understanding of system needs and constraints between stakeholders and offers a common language for analysis. The ExMC SE team is using MBSE techniques to define operational needs, decompose requirements and architecture, and identify medical capabilities needed to support human exploration. Systems Modeling Language (SysML) is the specific language the SE team is utilizing, within an MBSE approach, to model the medical system functional needs, requirements, and architecture. Modeling methods are being developed through the practice of MBSE within the team, and tools are being selected to support meta-data exchange as integration points to other system models are identified. Use of MBSE is supporting the development of relationships across disciplines and NASA Centers to build trust and enable teamwork, enhance visibility of team goals, foster a culture of unbiased learning and serving, and be responsive to customer needs. The MBSE approach to medical system design offers a paradigm shift toward greater integration between vehicle and the medical system and directly supports the transition of Earth-reliant ISS operations to the Earth-independent operations envisioned for Mars. Here, we describe the methods and approach to building this integrated model.
Document ID
20170008864
Document Type
Conference Paper
Authors
Hanson, A.
(NASA Johnson Space Center Houston, TX, United States)
Mindock, J.
(KBRwyle Science, Technology and Engineering Houston, TX, United States)
McGuire, K.
(NASA Johnson Space Center Houston, TX, United States)
Reilly, J.
(NASA Johnson Space Center Houston, TX, United States)
Cerro, J.
(NASA Johnson Space Center Houston, TX, United States)
Othon, W.
(NASA Johnson Space Center Houston, TX, United States)
Rubin, D.
(KBRwyle Science, Technology and Engineering Houston, TX, United States)
Urbina, M.
(KBRwyle Science, Technology and Engineering Houston, TX, United States)
Canga, M.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
September 18, 2017
Publication Date
September 25, 2017
Subject Category
Computer Systems
Report/Patent Number
JSC-CN-40434
Meeting Information
International Astronautical Congress (IAC) 2017(Adelaide)
Distribution Limits
Public
Copyright
Public Use Permitted.

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