Performance Evaluation of an L1 Adaptive Controller for Wing-Body Rock Suppression

Capello, Elisa; Guglieri, Giorgio; Sartori, Daniele

doi:10.2514/1.57595

Cited by 18 publications

(10 citation statements)

References 9 publications

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“…A geometric interpretation is the following. Consider the closed-loop system (10) and a manifold in the ndimensional state space (6), and all trajectories xðtÞ that start on the manifold remain there and asymptotically converge to the point ð0Þ.…”

Section: Iandi Theoremmentioning

confidence: 99%

“…Since nonlinear properties are essential features of the aircraft dynamics and changes of angle of attack are coupled with system uncertainties and external disturbances, the objective of designing robust controllers for automatic flight control system is a great challenge. Control methods of literature include feedback linearization, 4 adaptive control, 6,7 optimal control, 8,9 and variable phase control. 10 Shi and Fan 11 presented a new stability analysis approach based on theory of bifurcation, where equilibrium, orbit, and limit cycle bifurcations were discussed in detail.…”

Section: Introductionmentioning

confidence: 99%

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Two novel robust tracking control strategies for eliminating aircraft wing rock

Yin

Zhang

Huang

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part G:

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Nonlinearities are essential features in the model of aircraft wing rock system and limit cycle is a typical phenomenon when flying without any control force. In this work, we concentrate on two robust tracking control schemes for automatic flight control systems by using forwarding technique. Combining forwarding technique with adaptive control and disturbance observer, manifolds are represented as insensitivity to parameter uncertainties and external disturbances. A second-order filter is employed to compute mappings and their analytic derivatives at each step of the design. The global, uniform, and ultimate boundedness of all trajectories are guaranteed by internal stability of filters. Unlike some of the existing control methodologies, modularization and no differential operations together with reduction of computational load are the main advantages for practical applications. Scheme 1 requires no prior knowledge of unknown parameters and scheme 2 analyzes the convergence rate of uncertainty observers. Controller performance and comparison between two approaches are demonstrated via simulations.

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Section: Iandi Theoremmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Two novel robust tracking control strategies for eliminating aircraft wing rock

Yin

Zhang

Huang

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part G:

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show abstract

“…£ 1 adaptive controller ( L 1 Adc) [20], CRM [23] and frequency limited error dynamics CRM [30] on the basis of various error based stability metrics such as ISE, integral time weighted square error (ITSE) and mean square error (MSE). Example 1 Consider a second order linear dynamical system representing wing rock dynamics of an aircraft model [19, 32–34]:

[\begin{matrix} 1em4pt \\ {\dot{x}}_{1} \\ {\dot{x}}_{2} \end{matrix}] = [\begin{matrix} 01 \\ 00 \end{matrix}] [\begin{matrix} 1em4pt \\ x_{1} \\ x_{2} \end{matrix}] + [\begin{matrix} 1em4pt \\ 0 \\ 1 \end{matrix}] u + [\begin{matrix} 1em4pt \\ 0 \\ 1 \end{matrix}] Δ x, y = [\begin{matrix} 1em4pt \\ 1 & 0 \end{matrix}] x

where x 1 ( t ) is the roll angle in deg., x 2 ( t ) is the roll rate in deg./s and y ( t ) represents the output. The initial values of states are considered as zero, i.e.…”

Section: Numerical Examplesmentioning

confidence: 99%

Robust closed loop reference MRAC with PI compensator

Dey

Jain

Padhy

2016

IET Control Theory & Applications

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“…Singh, et al [26] and Capello, et al [27] and proposed adaptive control strategies for the problem of wing rock suppression. Adaptive feedback linearization is proposed to suppress the wing rock by Monahemi and Krstic [28].…”

Section: Introductionmentioning

confidence: 99%

Untitled

2020

Int J Robot Eng

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In this paper we consider the problem of the suppression of wing rock phenomenon in presence of actuator faults. The main aim of this work is the application of a linear adaptive actuator failure compensation control scheme for wing rock motion of a slender delta wing. First, the analytical nonlinear model that characterizes the phenomenon of wing rock is given, and its behavior for different angles of attack is presented. Then, an adaptive actuator failure compensation redundant control design is proposed, and applied for a rolling motion regulation in the presence of actuator faults. Finally, numerical simulations are conducted to show the effectiveness of the control scheme for wing rock suppression for different actuator failures scenarios.

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Performance Evaluation of an L1 Adaptive Controller for Wing-Body Rock Suppression

Cited by 18 publications

References 9 publications

Two novel robust tracking control strategies for eliminating aircraft wing rock

Two novel robust tracking control strategies for eliminating aircraft wing rock

Robust closed loop reference MRAC with PI compensator

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