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Design of robust suboptimal controllers for a generalized quadratic criterion

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Author
Miller, Kurtis Brett
Date
1992-06
Advisor
Chen, Won-Zon
Second Reader
Burl Jeffrey B.
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Abstract
Standard linear quadratic regulator (LQR) designs guarantee a certain level of robustness. However, optimizing a generalized quadratic criterion produces coupled state and input terms and there are no longer any guarantees of good robustness properties. This thesis identifies how this problem arises and then presents several suboptimal, but robust controller design options which provide the control systems engineer with the ability to perform a trade-off between performance and robustness. The effectiveness of these methods is investigated and the trade-offs between performance and robustness are evaluated using computer simulation of a statically unstable fighter aircraft.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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http://hdl.handle.net/10945/23628
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  • 1. Thesis and Dissertation Collection, all items

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