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Large space structure model reduction and control system design based upon actuator and sensor influence functionsA model reduction procedure based on aggregation with respect to sensor and actuator influences rather than modes is presented for large systems of coupled second-order differential equations. Perturbation expressions which can predict the effects of spillover on both the aggregated and residual states are derived. These expressions lead to the development of control system design constraints which are sufficient to guarantee, to within the validity of the perturbations, that the residual states are not destabilized by control systems designed from the reduced model. A numerical example is provided to illustrate the application of the aggregation and control system design method.
Document ID
19830027807
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Yam, Y.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Lang, J. H.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Johnson, T. L.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Shih, S.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Staelin, D. H.
(Massachusetts Inst. of Tech. Cambridge, MA, United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1983
Publication Information
Publication: JPL Proc. of the Workshop on Appl. of Distributed System Theory to the Control of Large Space Struct.
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
83N36078
Funding Number(s)
CONTRACT_GRANT: DAAG29-78-C-0020
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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