Developing and Distributing a CubeSat Model-Based Systems Engineering (MBSE) Reference Model

Transcription

1 Developing and Distributing a CubeSat Model-Based Systems Engineering (MBSE) Reference Model Dave Kaslow International Council on Systems Engineering (INCOSE) Space Systems Working Group (SSWG) INCOSE SSWG MBSE CubeSat Project 1

2 Agenda Project Objectives and Team INCOSE MBSE Initiative MBSE Environment SSWG Challenge Project CubeSat Reference Model Development and Distribution CubeSat Reference Model Architecture Next Steps References INCOSE SSWG MBSE CubeSat Project 2

3 Project Objectives Prove-out MBSE methodology on a CubeSat Provide a CubeSat Reference Model and a CubeSat Project Model that CubeSat teams can use as a starting point for their mission specific CubeSat model INCOSE SSWG MBSE CubeSat Project 3

4 Team Composition Aerospace Students and Professors JPL and NASA Engineers Engineers and Software Developers from NASA Centers, Aerospace Companies, and Modeling and Simulation Tool Providers Telecons every Friday at 1pm east coast time Meeting materials and links to meeting recordings in Google docs me to be included on the reflector list INCOSE SSWG MBSE CubeSat Project 4

5 INCOSE MBSE Initiative - Genesis, Flow, Interaction International Council on Systems Engineering (INCOSE) Object Modeling Group (OMG) INCOSE Working Groups Space Systems Working Group 2000 INCOSE SE Vision 2020 [1] 2007 MBSE & SysML MBSE Initiative & Roadmap [2], ]3] MBSE Challenge Teams Space System Modeling Systems Modeling Language (SysML) [4] 2006 SSWG Challenge Project Unified Modeling Language (UML) INCOSE SSWG MBSE CubeSat Project 5

6 MBSE Roadmap Institutionalized MBSE Across Academia / Industry Well Defined MBSE Maturity Ad Hoc MBSE Document Centric Extending Maturity and Capability Architecture model integrated with simulation, analysis, and visualization Matured MBSE methods and metrics Integrated system / HW / SW models Emerging MBSE Standards Distributed and secure model repositories crossing multiple domains Defined MBSE theory, ontology, and formalisms Adapted from [3] INCOSE SSWG MBSE CubeSat Project 6

7 MBSE Environment INCOSE Object-Oriented Systems Engineering Methodology SysML System Modeling Tools Interfaces with Other Models Structure Diagrams Block Definition Internal Block Behavior Diagrams Use Case Activity Sequence State Machine Model Elements Blocks Actors Flow Constraint Blocks Interfaces Signals Ports Requirements Diagram Parametric Diagram Package Diagram Diagrams are views of the underlying system model Block Properties Parts References Values Constraints Operations Receptions A Block is the basic unit of structure INCOSE SSWG MBSE CubeSat Project 7

8 SSWG Challenge Project INCOSE MBSE Challenge Project Initiated in 2007 INCOSE SSWG Phase 0 Modeled a Space System in SysML Hypothetical FireSat - SMAD MBSE CubeSat Project Phase 1 [5] CubeSat Framework Preliminary RAX Model Phase 2 [6] RAX Behavior Modeling Power, Comm, State Recent Efforts (Phase 3) Enterprise Modeling for CubeSats [7] RAX CubeSat Model Trade Studies [8] Current Efforts (Phase 4) Develop a CubeSat MBSE Reference Model [9] INCOSE SSWG MBSE CubeSat Project 8

9 Phase 4 Develop and Distribute a CubeSat Reference Model INCOSE SSWG MBSE CubeSat Project 9

10 Development of the CubeSat Reference Model Model Scope Mission Stakeholders Needs, Objectives Measures of Effectiveness Constraints Life Cycles Conception to retirement Phases of Operations Launch, Early ops Normal ops Out Reach Working Groups Symposiums Workshops Foundations SSWG Team CubeSat Reference Model Cal Poly CubeSat Design Spec [10] INCOSE Sys. Eng. Handbook [11] NASA Sys. Eng. Handbook [12] Space Mission Engineering The New SMAD [13] Model Development Plan Tool Set Standards & Conventions Guidance Management and Sharing Validation INCOSE SSWG MBSE CubeSat Project 10

11 Distribution and Use of the CubeSat Reference Model SSWG CubeSat Reference Model Video of Model Walk-Through Copyright and License Distribution Mechanisms MagicDraw ZIP File XMI File OpenMBEE Teamwork Server Users CubeSat Reference Model CubeSat Team Mission Specific CubeSat Model Classroom Example CubeSat Model User Feedback Mechanisms INCOSE SSWG MBSE CubeSat Project 11

12 Development of a Mission Specific CubeSat Model Validation and Verification Strategies Mission Assurance Objectives and Strategies CubeSat Reference Model Mission Specific Model Model Elements Mission Specific Stakeholders Use Cases, Viewpoint Diagrams Stages Concept Development Production Operational Retirement Trade Studies Requirements Verification Space and Ground System Components Library of components to swap in and out of model Interface with Modeling and Simulation Tools INCOSE SSWG MBSE CubeSat Project 12

13 CubeSat System Reference Model Architecture INCOSE SSWG MBSE CubeSat Project 13

14 CubeSat Stakeholders INCOSE SSWG MBSE CubeSat Project 14

15 CubeSat Mission Enterprise INCOSE SSWG MBSE CubeSat Project 15

16 CubeSat Logical Space System INCOSE SSWG MBSE CubeSat Project 16

17 CubeSat Logical Ground System INCOSE SSWG MBSE CubeSat Project 17

18 Next Steps and References INCOSE SSWG MBSE CubeSat Project 18

19 Next Steps Determine the level of model definition at each of the lifecycle stages Create models for the concept and development stages Validate the models by applying them to a hypothetical mission Provide the models to a university aerospace engineering program INCOSE SSWG MBSE CubeSat Project 19

20 References [1] Systems Engineering Vision 2020, INCOSE TP_ , ver. 2/03,September [Online]. Available: [2] International Council on Systems Engineering (INCOSE), MBSE Initiative, January [Online] Available: [3] MBSE Roadmap. MBSE Wiki, INCOSE MBSE IW MBSE Wiki. [Online} Available: friedenthal-c.pptx [4] Object Management Group (OMG), OMG Website. [Online]. Available: [5] S. Spangelo, D. Kaslow, C. Delp, B. Cole, L. Anderson, E. Fosse, B. Gilbert, L. Hartman, T. Kahn, and J. Cutler, Applying Model Based Systems Engineering (MBSE) to a Standard CubeSat, in Proceedings of IEEE Aerospace Conference, Big Sky, MT, March [6] S. Spangelo, L. Anderson, E. Fosse, L Cheng, R. Yntema, M. Bajaj, C. Delp, B. Cole, G. Soremekun, D. Kaslow, and J. Cutler, Model Based Systems Engineering (MBSE) Applied to Radio Explorer (RAX) CubeSat Mission Operational Scenarios, Proceedings of IEEE Aerospace Conference, Big Sky, MT, March INCOSE SSWG MBSE CubeSat Project 20

21 References [7] L. Anderson, B. Cole, R. Yntema, M. Bajaj, S. Spangelo, D. Kaslow, C. Lowe, E. Sudano, M. Boghosian, R. Reil, S. Asundi, and S. Friedenthal, Enterprise Modeling for CubeSats, Proceedings of IEEE Aerospace Conference, Big Sky, MT, March [8] D. Kaslow, G. Soremekun, H. Kim, S. Spangelo, Integrated Model-Based Systems Engineering (MBSE) Applied to the Simulation of a CubeSat Mission, Proceedings of IEEE Aerospace Conference, Big Sky, MT, March [9] D. Kaslow, L. Anderson, S. Asundi. B. Ayres, C. Iwata, B. Shiotani, R. Thompson, Developing a CubeSat Model-Based System Engineering (MBSE) Reference Model Interim Status, Proceedings of IEEE Aerospace Conference, Big Sky, MT, March [10] CubeSat Design Specification, rev. 13, The CubeSat Program, Cal Poly SLO, February 2014 [11] INCOSE Systems Engineering Handbook, v , October 2011, INCOSE-TP [12] NASA Systems Engineering Handbook, rev. 1, December 2007, NASA/SP Rev1. [13] J.R. Wertz, D. Everett, and J. Puschell, Eds., Space Mission Engineering: The New SMAD, (Space Technology. Library, Volume 28), Hawthorne, CA, Microcosm Press, 2011 INCOSE SSWG MBSE CubeSat Project 21