Journal
AEROSPACE SCIENCE AND TECHNOLOGY
Volume 81, Issue -, Pages 88-98Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ast.2018.07.046
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Funding
- NASA ARMD Convergent Aeronautics Solutions (CAS) Project [NNX15AR80G]
- NASA [NNX15AR80G, 800558] Funding Source: Federal RePORTER
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This paper addresses the Input Covariance Constraint (ICC) control problem with guaranteed performance for continuous-time Linear Parameter-Varying (LPV) systems. The upper bound of the output covariance is minimized subject to the constraints on input covariance and H-infinity output performance. This problem is an extension of the mixed H-2/H-infinity, LPV control problem, in that the resulting gain scheduling controllers guarantee not only closed-loop system robustness in terms of Woo norm bound but also output covariance performance over the entire scheduling parameter space. It can be shown that this problem can be efficiently solved by utilizing the convex optimization of Parameterized Linear Matrix Inequalities (PLMIs). The main contributions of this paper are to characterize the mixed ICC/H-infinity, LPV control problem using PLMIs and to develop the optimal state-feedback gain-scheduling controllers, while satisfying both input covariance and Woo constraints. The effectiveness of the proposed control scheme is demonstrated through vibration suppression of a blended-wing-body airplane model. (C) 2018 Elsevier Masson SAS. All rights reserved.
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