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Real-Time Trajectory Assessment and Abort Management for the X-33 VehicleThe X-33 is a flying testbed to evaluate technologies and designs for a reusable Single Stage To Orbit (SSTO) production vehicle. Although it is sub-orbital, it is trans-atmospheric. This paper will discuss the abort capabilities, both commanded and autonomous, available to the X-33. The cornerstone of the abort capabilities is the Performance Monitor (PM) and it's supporting software. PM is an on-board 3-DOF simulation, which evaluates the vehicle ability to execute the current trajectory. The Abort Manager evaluates the results from PM, and, when indicated, computes and implements an abort trajectory.
Document ID
Document Type
Conference Paper
Moise, M. C.
(Lockheed Martin Corp. Bethesda, MD United States)
McCarter, J. W.
(Lockheed Martin Corp. Bethesda, MD United States)
Mulqueen, J.
(Lockheed Martin Corp. Bethesda, MD United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 2000
Subject Category
Launch Vehicles And Launch Operations
Meeting Information
Annual American Astronautical Sciences Conference(Breckenridge, CO)
Funding Number(s)
Distribution Limits
Work of the US Gov. Public Use Permitted.

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