A&AE 450 – Senior Design Avionics March 6, 2001 Wiyan Wong
Avionics Subsystems Command & Data Handling Communication Data Processing memory Communication Signal conditioning Coding Modulation Data packaging Attitude, Articulation, Guidance & Navigation Control Attitude sensors Attitude effectors Navigation sensors Guidance control Electrical Power Power management/ distribution Life Support Atmospheric control Fire detection Crew interface Displays Input devices Audio/Video Camera/mic./Speakers Software Misc. Tether system Docking system Parachute deployment
Hab Power subsystem Command and data handling Communication subsystem Life support subsystem Attitude & navigation sensors Thermal control subsystem Crew input devices Tether subsystem Displays devices Propulsion system/ control surfaces Parachute deployment subsystem
ERV Power subsystem Command and data handling Communication subsystem Life support subsystem Attitude & navigation sensors Thermal control subsystem Crew input devices Tether subsystem Displays devices Propulsion system/ control surfaces Docking subsystem Ascent Vehicle
Thermal control system Ascent Vehicle CTV In-situ propellant Production communication Command & Data handling Power system Attitude & navigation sensors Display devices Crew input devices Attitude & navigation sensors Propulsion system Thermal control system Propulsion system Docking system Parachute deployment Nuclear reactor
HAB/ERV-weight & power
CTV- Weight & Power
Computer system For Autonomous operation (Pulse)- Honeywell 1Mflop~1Gflop (Pulse)- Honeywell PowerPC 603e Radiation hard LEO
Risk Assessment 0.995 for 10 years with a 30 °C baseplate Temperature.