This paper presents an active flutter suppression design using linear parameter-varying (LPV) control method for a nonlinear aeroservoelastic model that captures wing-section stall flutter. The loss-of-effectiveness fault is considered for the control surface. The resulting model is a function of speed as well as effectiveness factor of the control surface. These two parameters are treated as the varying parameters to formulate an LPV representation of the wing-section model using Jacobian linearization. An H2 gain-scheduled controller based on a parameter-dependent Lyapunov function is designed for the LPV system. The simulation shows that it can suppress limit cycle oscillations over a range of speed and work under a certain range of control surface effectiveness loss.
- Dynamic Systems and Control Division
Linear Parameter-Varying Control of a Wing-Section Stall Flutter
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Fan, W, Liu, HHT, & Kwong, RHS. "Linear Parameter-Varying Control of a Wing-Section Stall Flutter." Proceedings of the ASME 2014 Dynamic Systems and Control Conference. Volume 1: Active Control of Aerospace Structure; Motion Control; Aerospace Control; Assistive Robotic Systems; Bio-Inspired Systems; Biomedical/Bioengineering Applications; Building Energy Systems; Condition Based Monitoring; Control Design for Drilling Automation; Control of Ground Vehicles, Manipulators, Mechatronic Systems; Controls for Manufacturing; Distributed Control; Dynamic Modeling for Vehicle Systems; Dynamics and Control of Mobile and Locomotion Robots; Electrochemical Energy Systems. San Antonio, Texas, USA. October 22–24, 2014. V001T01A003. ASME. https://doi.org/10.1115/DSCC2014-6294
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