Basic HTML version of Foils prepared 15 March 1996

Foil 41 Some Scheduling Problems in NASA

From Physical Optimization and Physical Computation CPSP713 Case studies in Computational Science -- Spring Semester 1996. by Geoffrey C. Fox


Schedule observations on planetary orbiter subject to physical constraints of power, which instruments near each other, etc. dynamically (new "moon" discovered ---> change schedule). Several hundred people devoted to this at JPL .
Similar space telescope problem
There is a major scheduling problem in shuttle operations
Originally NASA hoped to turn shuttle around in ~2 weeks. Actually takes ~4 months
In orbiter processing facility
  • 60,000 technician hours
  • 10,000 tasks
    • 50% generic
    • 50% mission specific
  • maybe >1 shuttle to share critical teams



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