MBSE Ecosystem: System and Analytical Models Integration for Critical Systems Simulation

Thursday, September 08, 2016 | 10:00 am Eastern

Presenter: Dr. Andy Ko, Manager of Engineering Services
PHOENIX INTEGRATION

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Abstract

This webinar will demonstrate Integration between ModelCenter®, Cameo Enterprise Modeler®, and STK® to integrate system and analytical models.

    During webinar we will demonstrate:
  • How the integrated analyses is linked to the SysML model using MBSE Analyzer, a bridge between SysML tools and ModelCenter.
  • How Behavioral models are executed for a representative RAX mission to study energy state and data collection capabilities.
  • The power, scalability, and utility of MBSE ecosystem that is available to help meet the challenge of designing spacecraft missions of ever-increasing complexity.
  • Data interchange between SysML system models, analytical models developed in MATLAB®, and a high fidelity space system simulation model created in AGI’s Systems Toolkit (STK)

Model Based Systems Engineering (MBSE) is a key practice to advance systems engineering that can benefit CubeSat missions. MBSE creates a system model that helps integrate other discipline specific engineering models and simulations. The system level model is initiated at the start of a project and evolves throughout development. It provides a cohesive and consistent source of system requirements, design, analysis, and verification. This webinar demonstrates an integrated, executable MBSE representation of the Radio Aurora Explorer (RAX) CubeSat mission.

Small satellite missions are becoming increasingly complex as scientists and engineers propose to utilize them to accomplish more ambitious science and technology goals. Small satellites such as CubeSats are challenging to design because they have limited resources, coupled subsystems, and must operate in dynamic environments.

The purpose of the RAX mission is to study the formation of magnetic field-aligned electron density irregularities in the Earth’s ionosphere, which are known to disrupt tracking and communication between Earth and orbiting spacecraft. The RAX CubeSat model describes the configuration and properties for various systems and subsystems, and is capable of executing behavior and parametric models for analyzing subsystem functions and states of the spacecraft. It is comprised of a SysML model created with MagicDraw®, a set of analytical models developed in MATLAB, and a high fidelity space system simulation model created in STK. These models are integrated together using the ModelCenter framework.

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