Title

Robust Adaptive Output Feedback Control Design For A Multi-Input Multi-Output Aeroelastic System

Keywords

Aeroelastic systems; Multi-input multi-output control; Output feedback control; Robust adaptive control

Abstract

In this paper, robust adaptive control design problem is addressed for a class of parametrically uncertain aeroelastic systems. A full-state robust adaptive controller was designed to suppress aeroelastic vibrations of a nonlinear wing section. The design used leading and trailing edge control actuations. The full state feedback (FSFB) control yielded a global uniformly ultimately bounded result for two-axis vibration suppression. The pitching and plunging displacements were measurable; however, the pitching and plunging rates were not measurable. Thus, a high gain observer was used to modify the FSFB control design to become an output feedback (OFB) design while the stability analysis for the OFB control law was presented. Simulation results demonstrate the efficacy of the multi-input multi-output control toward suppressing aeroelastic vibrations and limit cycle oscillations occurring in pre- and post-flutter velocity regimes. © 2011. The Korean Society for Aeronautical & Space Science.

Publication Date

12-1-2011

Publication Title

International Journal of Aeronautical and Space Sciences

Volume

12

Issue

2

Number of Pages

179-189

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.5139/IJASS.2011.12.2.179

Socpus ID

84866089900 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84866089900

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