2-SPEED, a single-gimbal control moment gyro attitude control system.In 2-SPEED (Two Scissored Pair Ensemble, Explicit Distribution) four single-gimbal control moment gyros (SGCMGs) configured into two scissored pairs are combined with an explicit distribution of angular momentum between pairs to produce a system relatively insensitive to the singularity problems which have plagued other SGCMG concepts. In this system, the singularity surfaces in momentum space degenerate to discrete curves. Further, the system permits a smooth passage through these remaining singularities with, at worst, a temporary delay while momentum redistribution takes place. Finally, CMG-out operation is possible within the full volume of the reduced momentum envelope.
Document ID
19730054029
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Crenshaw, J. W. (Northrop Services, Inc. Huntsville, Ala., United States)
Date Acquired
August 7, 2013
Publication Date
August 1, 1973
Subject Category
Navigation
Report/Patent Number
AIAA PAPER 73-895
Meeting Information
Meeting: Guidance and Control Conference
Location: Key Biscayne, FL
Start Date: August 20, 1973
End Date: August 22, 1973
Sponsors: American Institute of Aeronautics and Astronautics