The Vista project has centered on the use of decision-theoretic approaches for managing the display of critical information relevant to real-time operations decisions. The Vista-I project originally developed a prototype of these approaches for managing flight control displays in the Space Shuttle Mission Control Center (MCC). The follow-on Vista-II project integrated these approaches in a workstation program which currently is being certified for use in the MCC. To our knowledge, this will be the first application of automated decision-theoretic reasoning techniques for real-time spacecraft operations. We shall describe the development and capabilities of the Vista-II system, and provide an overview of the use of decision-theoretic reasoning techniques to the problems of managing the complexity of flight controller displays. We discuss the relevance of the Vista techniques within the MCC decision-making environment, focusing on the problems of detecting and diagnosing spacecraft electromechanical subsystems component failures with limited information, and the problem of determining what control actions should be taken in high-stakes, time-critical situations in response to a diagnosis performed under uncertainty. Finally, we shall outline our current research directions for follow-on projects.
Vista Goes Online: Decision-Analytic Systems for Real-Time Decision-Making in Mission Control
1994
12 pages
Report
Keine Angabe
Englisch
Manned Spacecraft , Space Launch Vehicles & Support Equipment , Decision making , Decision theory , Flight control , On-line systems , Real time operation , Space missions , Spacecraft control , Display devices , Expert systems , Ground based control , Monitors , Space shuttles , Space transportation system flights
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