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Improving the Constellation Mission Control Center System Design Using Integrated Executable Architectures and Visualization

A systems engineering approach, called CONOPS Simulation, which combines integrated architecture development, discrete event simulation, and graphical visualization into a fully traceable simulation is presented in this paper. This approach allows analysis of architectural alternatives and is also an effective communication tool for describing concepts of operations to an audience of various backgrounds and discipline expertise. Details of the process for developing a CONOPS Simulation are discussed, including the architectural diagrams required, translation of the architecture to a discrete event simulation engine, and different types of real-time visualizations that can be incorporated into the simulation. To further help in understanding the approach, a case study is given demonstrating the use and benefits of CONOPS Simulation to the NASA Mission Operations Directorate as a tool to explore new concepts and architectures for ground operations in support of human spaceflight.