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Improvements In Ball-Screw Linear ActuatorsReport describes modifications of design of type of ball-screw linear actuator driven by dc motor, with linear-displacement feedback via linear variable-differential transformer (LVDT). Actuators used to position spacecraft engines to direct thrust. Modifications directed toward ensuring reliable and predictable operation during planned 12-year cruise and interval of hard use at end of cruise.
Document ID
19960014921
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Iskenderian, Theodore (Caltech)
Joffe, Benjamin (Caltech)
Summers, Robert (Caltech)
Date Acquired
August 17, 2013
Publication Date
January 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 1
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
NPO-19685
Accession Number
96B10042
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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