The Robotics Institute

Carnegie Mellon Robotics Institute

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Abstract

In this paper, we describe HSTS, a system that constructs executable observation schedules for the Hubble Space Telescope (HST). HST observation scheduling is a complex task, requiring attendance to a myriad of constraints relating to orbit characteristics, power and thermal balance requirements, instrument capabilities. viewing conditions, guidance requirements, overall allocation objectives. and astonomer specific restrictions and preferences. HSTS provides a general framework for representing and solving such complex scheduling problems. Generally speaking, scheduling in HSTS is viewed as the process of constructing a prediction of the behavior of a physical system (e.g. the HST operating environment) that reflects specified goals and constraints. The HSTS architecture provides a domain description language for specifying the srtucture and dynamics of the physical system, a temporal data base for modeling possible system behaviors over time, and an opportunistic, constraint-direcled scheduling methodology for constructing a system behavior (or set of behaviors) consistent with stated scheduling goals and constraints.

Notes

Grant ID: #F33615-86-C-5-38

Associated Center(s) / Consortia: Center for Integrated Manfacturing Decision Systems

Associated Lab(s) / Group(s): Intelligent Coordination and Logistics Laboratory

Associated Project(s): HSTS Space Observatory Scheduler

Text Reference

Nicola Muscettola, Stephen Smith , G. Amiri, and Dhiraj Pathak, "Generating Space Telescope Observation Schedules," tech. report CMU-RI-TR-89-28, Robotics Institute, Carnegie Mellon University, November, 1989

BibTeX Reference

@techreport{Muscettola_1989_210,
   author = "Nicola Muscettola and Stephen {Smith } and G. Amiri and Dhiraj Pathak",
   title = "Generating Space Telescope Observation Schedules",
   booktitle = "",
   institution = "Robotics Institute",
   month = "November",
   year = "1989",
   number= "CMU-RI-TR-89-28",
   address= "Pittsburgh, PA",
}

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