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Linear Proof-Mass ActuatorLinear proof-mass actuator (LPMA) is friction-driven linear mass actuator capable of applying controlled force to structure in outer space to damp out oscillations. Capable of high accelerations and provides smooth, bidirectional travel of mass. Design eliminates gears and belts. LPMA strong enough to be used terrestrially where linear actuators needed to excite or damp out oscillations. High flexibility designed into LPMA by varying size of motors, mass, and length of stroke, and by modifying control software.
Document ID
19950065347
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Holloway, Sidney E., III
(NASA Langley Research Center, Hampton, VA.)
Crossley, Edward A.
(NASA Langley Research Center, Hampton, VA.)
Miller, James B.
(NASA Langley Research Center, Hampton, VA.)
Jones, Irby W.
(NASA Langley Research Center, Hampton, VA.)
Davis, C. Calvin
(NASA Langley Research Center, Hampton, VA.)
Behun, Vaughn D.
(Planning Research Corp.)
Goodrich, Lewis R., Sr.
(Planning Research Corp.)
Date Acquired
August 17, 2013
Publication Date
April 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 4
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
LAR-14352
Accession Number
95B10188
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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