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Characterization of Multilayer Piezoelectric Actuators for Use in Active Isolation MountsActive mounts are desirable for isolating spacecraft science instruments from on-board vibrational sources such as motors and release mechanisms. Such active isolation mounts typically employ multilayer piezoelectric actuators to cancel these vibrational disturbances. The actuators selected for spacecraft systems must consume minimal power while exhibiting displacements of 5 to 10 micron under load. This report describes a study that compares the power consumption, displacement, and load characteristics of four commercially available multilayer piezoelectric actuators. The results of this study indicate that commercially available actuators exist that meet or exceed the design requirements used in spacecraft isolation mounts.
Document ID
19970012690
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Authors
Wise, Stephanie A. (NASA Langley Research Center Hampton, VA United States)
Hooker, Matthew W. (Science and Technology Corp. Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1997
Subject Category
Solid-State Physics
Report/Patent Number
NAS 1.15:4742
NASA-TM-4742
L-17567
Accession Number
97N16916
Funding Number(s)
PROJECT: RTOP 233-01-01-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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