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Gravity Compensation Technique Uses Small dc MotorSmall dc servomotor powered by simple constant-current source and with suitable gearing used to cancel effect of gravity upon load. Lead-screw positioning system has load counterbalanced by small supplementary motor powered by constant current source. Motor lighter and more compact alternative to counterbalance. Used in variety of mechanical systems where load positioned or accelerated in vertical plane.
Document ID
19880000434
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hollow, Richard
(NASA Ames Research Center, Moffett Field, Calif.)
Date Acquired
August 13, 2013
Publication Date
September 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 8
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
ARC-11525
Accession Number
88B10434
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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