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TECHNICAL PAPERS

Identification of Wiener Systems With Known Noninvertible Nonlinearities

[+] Author and Article Information
Seth L. Lacy

Aerospace Engineering Department, University of Michigan, 1320 Beal Ave, Ann Arbor, MI 48109e-mail: sethlacy@umich.edu

R. Scott Erwin

Air Force Research Laboratory, Space Vehicles Directorate, 3550 Aberdeen Ave. SE, Kirtland AFB NM 87117e-mail: erwinr@plk.af.mil

Dennis S. Bernstein

Aerospace Engineering Department, University of Michigan, 1320 Beal Ave, Ann Arbor, MI 48109e-mail: dsbaero@umich.edu

J. Dyn. Sys., Meas., Control 123(4), 566-571 (Jan 29, 2001) (6 pages) doi:10.1115/1.1409256 History: Received January 29, 2001
Copyright © 2001 by ASME
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References

Figures

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Block diagram of a Wiener system
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Sin nonlinearity. *’s represent identification data points (y and z), o’s represent optimal estimates (y⁁* and z)
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Frequency response of actual (—) and estimated (--) systems of example 3
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Deadzone nonlinearity, *’s represent identification data points (y and z), o’s represent optimal Estimates (y⁁* and z)
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Frequency response of actual (—) and estimated (--) systems of example 5
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Quantization nonlinearity. *’s represent identification data points (y and z), o’s represent optimal estimates (y⁁* and z)
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Frequency response of actual (—) and estimated (--) systems of example 6
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Signum nonlinearity. *’s represent identification data points (y and z), o’s represent optimal estimates (y⁁* and z)
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Frequency response of actual (—) and estimated (--) systems of example 7

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