challenge team status: mbse and cubesat
DESCRIPTION
Challenge Team Status: MBSE and CubeSat. Space Systems Working Group MBSE Challenge Team, 2011-12. NASA-JPL: Chirs Delp, Bjorn Cole, Louise Anderson, Elyse Fosse RAX/Univeristy of Michigan: Sara Spengelo - PowerPoint PPT PresentationTRANSCRIPT
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Challenge Team Status:MBSE and CubeSat
Space Systems Working Group MBSE Challenge Team, 2011-12
NASA-JPL: Chirs Delp, Bjorn Cole, Louise Anderson, Elyse FosseRAX/Univeristy of Michigan: Sara SpengeloAGI: Dave Kaslow
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2012 Team
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SSWG Challenge Team Status
• Cube Sat ModelingCubeSat FrameworkRAX Models
• CubeSat RAX Science ScenarioIssues with SysML Simple Time ModelIssues with SysML Instances
• STK Integration Demo UpdateModel Transformation-Based SysML-STK Integration
• Model Based Reporting Demo Model Based Document Generation
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Objective: Demonstrate Real-world Application of MBSE• 2007-11 FireSat Modeling Demonstrates MBSE
Feasible for Space SystemsBasic SysML ModelingExamples of Simulation Integration with STK
• 2012 – A Real Flight ProjectRAX 2 (http://rax.engin.umich.edu/)Develop MBSE Framework for CubeSats in SysMLo Utilize MBSE Method and Techniques from FireSato CubeSat Domain Specific Conceptso Integration Strategies for Analysis Apps
Satellite Tool Kit
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NASA Jet Propulsion Laboratory MBSEEuropa Habitability Mission
Europa Concept ModelingSeveral Large Mission and Flight System ModelsModels used as basis for some key analysesGenerated Documents from Models as deliverable
products
MGSS Ops RevitalizationProcess ModelsSystem InterfacesOps Spacecraft Models
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RAX Mission Science
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Challenges with Modeling Timeo Time Domain Modeling, Time Scales and Time Systems
o No General Model for the “Lifetime” of the System
o Application and Specificity of Temporal Constraints
o Using Instances to Describe Operational System in terms of Structure, Behavior and Timeo Understanding of Structure and Behavior in a Unified Temporal Contexto Time-Sequences of Instance Values
o Sequence Diagram of Value Property Instanceso No good instance model for behaviors
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275-2012-05:23:25-275-2012-06:35:00
*Indicates Event InstanceoEvents Not Available unless Message Call Created
*Indicates Event InstanceoEvents Not Available unless Message Call Created
Activity being Triggered By Message oInside Activity Not AccessibleoOnly shows call of Action, not what actions are actually occurring
TimeScaleoLacts Strict ScaleoEx: Overlapping Times
Challenges with Modeling Time
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Rax Mission Time and Instance Example
o Science Environmento Connections to Radio/Science
Valid During Certain Time Period of the Mission
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STK Integration Example
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Model Based Reporting
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SSWG Challenge Team: Next Steps Elaborate CubeSat Framework and RAX Instance
Use CubeSat Framework and Missions Drive out issues with SysML Simple Time Model Drive out issues with SysML Instance Modeling
Demonstrate Reference Architecture for MBSE Platform Model Based Analysis Model Based Reporting (Document Generation)
Explore CubeSat Mission as Demonstrator
Propose a CubeSat Mission using the framework