A practical scheduling algorithm for Shuttle-based astronomy missions

Details A practical scheduling algorithm for Shuttle-based astronomy missions A practical scheduling algorithm for Shuttle-based astronomy missions

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aiaa.meets....g&link_type=abstract

American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 23rd, Reno, NV, Jan. 14-17, 1985. 11 p.

Astronomy and Astrophysics

Astronomy

Algorithms, Computer Systems Programs, Scheduling, Spaceborne Astronomy, Spacelab Payloads, Astro Missions (Sts), Orbital Maneuvers, Remote Consoles

Scientific paper

In the Astro mission series (initial flight planned for March, 1986), the Shuttle will be used as a dedicated stellar astronomy observatory. A modified Spacelab pallet is to be used for the Astro payload, which will consist of three ultraviolet (UV) telescopes and a wide field camera mounted together on a single gimbal mount called the Inertial Pointing System (IPS). Three flights of 7-10 days duration are to be made with the same payload at intervals of 8-9 months. Previous experience has shown that changes in design requirements are inevitable, and the evolution of operational concepts will effect changes in scheduling algorithm software. For these reasons, the design goals of the Astron algorithm and its family of auxiliary software modules have been related to functional modularity, constraint flexibility, user friendliness, and 'light' input requirements. Attention is given to hardware characteristics, environmental constraints, the basic criteria function, 'Cinderella' logic, counters and constraints, and scheduling trends.

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