Robust Dynamic Sliding Mode Control of a Rotating Thin-Walled Composite Blade
- 1 July 2011
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Aerospace Engineering
- Vol. 24 (3) , 298-308
Abstract
This paper presents a robust control methodology for the dynamic response control of a rotating blade exposed to external excitations and modeling uncertainty. The blade is modeled as a tapered thin-walled beam with fiber-reinforced composite material. The dynamic response characteristics of a rotating composite beam are investigated; namely, ply angle, taper ratio, and various selected rotational speeds. To extend life and improve efficiency, a robust control methodology is implemented and structural tailoring composite properties are used. To this end, considering modeling uncertainties and external disturbance conditions, a sliding mode control is proposed and its performance and robustness are compared with the conventional linear quadratic Gaussian control.Keywords
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