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Synthesis of actively adjustable springs by antagonistic redundant actuationA methodology for active spring generation is presented based on antagonistic redundant actuation. Antagonistic properties are characterized using an effective system stiffness. 'Antagonistic stiffness' is generated by preloading a closed-chain (parallel) linkage system. Internal load distribution is investigated along with the necessary conditions for spring synthesis. The performance and stability of a proposed active spring are shown by simulation, and applications are discussed.
Document ID
19930028224
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Yi, Byung-Ju (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Freeman, Robert A. (Texas Univ. Austin, United States)
Date Acquired
August 15, 2013
Publication Date
September 1, 1992
Publication Information
Publication: ASME, Transactions, Journal of Dynamic Systems, Measurement, and Control
Volume: 114
Issue: 3
ISSN: 0022-0434
Subject Category
Mechanical Engineering
Accession Number
93A12221
Funding Number(s)
CONTRACT_GRANT: DE-FG02-86NE-37966
CONTRACT_GRANT: NAG9-360
CONTRACT_GRANT: NAG9-320
Distribution Limits
Public
Copyright
Other

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