Title :
Fault protection architecture for the command and data subsystem on the Cassini spacecraft
Author :
Brown, Thomas K. ; Donaldson, James A.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
Cassini is a NASA/JPL spacecraft that is planned to be launched in 1997 for a 10.7 year mission (6.7 in transit, 4 in orbit) to the planet Saturn. This paper focuses on one subsystem on the spacecraft, the Command and Data Subsystem (CDS). Overviews are presented of the Cassini and CDS avionics and then the internal fault protection architecture for the subsystem is described. This description covers fault detections, error filtering, event activation rules, and response triggering for the following key subsystem regions: (1) Command and Data Electronics Assemblies, (2) 1553B Bus and Remote Terminal Communication Interface Units, (3) Remote Engineering Units, and (4) Solid State Recorders
Keywords :
aerospace computing; aerospace control; avionics; command and control systems; fault diagnosis; fault tolerant computing; protection; reliability; space telemetry; special purpose computers; 1553B Bus; Cassini spacecraft; NASA/JPL spacecraft; Saturn mission; command and data electronics assemblies; command and data subsystem; error filtering; event activation rules; fault detections; fault protection architecture; internal fault protection; remote engineering units; remote terminal communication interface units; response triggering; solid state recorders; subsystem avionics; Aerospace electronics; Assembly; Fault detection; Filtering; NASA; Planetary orbits; Planets; Protection; Saturn; Space vehicles;
Conference_Titel :
Digital Avionics Systems Conference, 1995., 14th DASC
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-3050-1
DOI :
10.1109/DASC.1995.482823
