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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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All sourcesNASA NTRSDOE OSTI
NASA NTRS1991

An Intelligent Value-Driven Scheduling System for Space Station Freedom With Special Emphasis on the Electric Power System

This paper discusses the Electric Power Control System (EPCS) created by Decision-Science Applications, Inc. (DSA) for Lewis Research Center (LeRC). This system in its current form makes decisions on what to schedule and when to schedule it, including making choices among various options or ways of performing a task. The system is goal directed and seeks to shape resource usage in an optimal manner using a value-driven approach. The paper discusses the considerations governing what makes a "good" schedule; how to design a value function to find the best schedule; and how to design the algorithm which finds the schedule that maximizes this value function. Results are shown which demonstrate the usefulness of the techniques employed. The value-driven approach also allows for the system to be easily extended to an emergency response system, making decisions as to where to best cut power when warranted.

Joseph C Krupp↗
NASA NTRSDate not supplied

Battery and Power Systems Designed by NASA

The engineering team in the Propulsion and Power Division designs, develops, tests and evaluates electric power and safe battery system solutions.

Martin Martinez↗