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Learn how to develop advanced control gain tuning tools for satellite attitude control systems using Julia's ecosystem in this conference talk from JuliaCon 2025. Discover how the Brazilian National Institute for Space Research (INPE) revolutionized their approach to designing control parameters for the Amazonia-1B satellite mission by leveraging Julia packages including SatelliteToolbox.jl, ReferenceFrameRotations.jl, ControlSystems.jl, ModellingToolkit.jl, and GLMakie.jl. Explore the challenges of maintaining precise satellite pointing accuracy (within 0.0005°) for high-resolution Earth observation missions and understand why traditional MATLAB-based linear system approaches proved inadequate for handling real-world non-linearities such as actuator limitations and reaction wheel torque constraints. Follow the development process of creating an integrated tool that combines conventional stability metrics (gain and phase margins) with real-time simulation capabilities derived from highly detailed satellite models. See how Julia's performance advantages enable instantaneous updates to time simulations when adjusting gain parameters, dramatically reducing the time required to tune proportional-derivative controllers and associated filters for multiple satellite control modes. Gain insights into practical engineering applications that extend beyond aerospace, as the demonstrated methodology can be adapted for control gain tuning in various other engineering domains.
