Re-engineering the Multimission Command System at the Jet Propulsion Laboratory

Details Re-engineering the Multimission Command System at the Jet Propulsion Laboratory Re-engineering the Multimission Command System at the Jet Propulsion Laboratory

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994smog.symp.1123a&link_type=abstract

In NASA. Goddard Space Flight Center, Third International Symposium on Space Mission Operations and Ground Data Systems, Part 2

Physics

Deep Space Network, Galileo Spacecraft, Propulsion, Real Time Operation, Remote Control, Space Missions, Ulysses Mission, Data Bases, Productivity, Sequencing, Streamlining

Scientific paper

The Operations Engineering Lab (OEL) at JPL has developed the multimission command system as part of JPL's Advanced Multimission Operations System. The command system provides an advanced multimission environment for secure, concurrent commanding of multiple spacecraft. The command functions include real-time command generation, command translation and radiation, status reporting, some remote control of Deep Space Network antenna functions, and command file management. The mission-independent architecture has allowed easy adaptation to new flight projects and the system currently supports all JPL planetary missions (Voyager, Galileo, Magellan, Ulysses, Mars Pathfinder, and CASSINI). This paper will discuss the design and implementation of the command software, especially trade-offs and lessons learned from practical operational use. The lessons learned have resulted in a re-engineering of the command system, especially in its user interface and new automation capabilities. The redesign has allowed streamlining of command operations with significant improvements in productivity and ease of use. In addition, the new system has provided a command capability that works equally well for real-time operations and within a spacecraft testbed. This paper will also discuss new development work including a multimission command database toolkit, a universal command translator for sequencing and real-time commands, and incorporation of telecommand capabilities for new missions.

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