gnc - Shuttle Guidance Navigation and Control Subsystem...

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Unformatted text preview: Shuttle Guidance Navigation and Control Subsystem Redesign Jon Beaton Ben Stewart Kieran Culligan Drew Barker GN&C • Guidance – Determining where you want to go • Navigation – Determining where you are • Control – Getting from where you are to where you want to go Overview • • • • Major modification - Integration of GPS Hardware Trade Study Recommendations Performance Gain Redesign Constraints • Figures of Merit – Cost (Don’t have prices, but do have weight) • Maintainability – Space qualified hardware, fewer components • Lifetime Cost – Software support – Performance • Redundancy – Same criteria as original • Robustness • Power IMU IMU Star tracker TACAN Accelerometers Rate Gyros Autoland Air Data Multiplexer / Multiplexer / Multiplexer / Multiplexer / Multiplexer / Multiplexer / General Purpose General Purpose Autoland Rate Gyros Rate Gyros Accelerometers Accelerometers Autoland Current System Diagram Sensors/Controls Computers Effectors IMU Star tracker TACAN Air Data Cockpit Controls Demultiplexer Demultiplexer Demultiplexer Multiplexer / Demultiplexer Demultiplexer Demultiplexer Demultiplexer Multiplexer / Demultiplexer Computer Computer General Purpose Computer Backup Flight Control MSBLS Rate Gyros Accelerometers Cockpit Displays Aerosurface Actuators OMS/RCS/Vernier Thrusters SSME Actuators Radar Altimeter IMU IMU Star tracker TACAN IMU Star tracker Accelerometers Rate Gyros TACAN Autoland Air Data Air Data Cockpit Controls Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer Multiplexer / Demultiplexer General Purpose...
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gnc - Shuttle Guidance Navigation and Control Subsystem...

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