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Robust adaptive attitude control for carrier based aircrafts in the landing process under the carrier air wake disturbance 36

Robust adaptive attitude control for carrier based aircrafts...

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第36届中国控制会议

作者： Jianglong Yu Yongzhao Hua Peng Yang Xiwang Dong Qingdong Li Zhang Ren School of Automation Science and Electrical Engineering Science and Technology on Aircraft Control LaboratoryBeihang University Aviation System Research Department System Engineering Research Institute

ISBN: (纸本)9781538629185

When naval vessels moving on the sea, the carrier air wake disturbance will arise. The carrier air wake makes the landing environment of carrier aircraft fair adverse, which puts forward a high demand for the high precise attitude control of carrier based aircrafts. In this paper, high precise robust attitude control problems for carrier based aircrafts with the carrier air wake disturbance are investigated. Firstly, the small disturbance linearization method is introduced to transform the nonlinear system into a linear one, which is a necessary procedure for aircraft system analysis and controller design. Secondly, the model of the carrier air wake disturbance is established and its effects on the aerodynamic parameters are analyzed in detail. Then the effects are transformed into the augmented disturbance in the system. Thirdly, a nonlinear extended state observer is utilized to estimate the disturbance. Besides, a robust adaptive attitude controller with integral term is proposed to achieve high precision attitude tracking. The stability of the closed-loop system is prove based on Lyapunov theory. Finally, a numerical example is provided to demonstrate the effectiveness of the obtained results.

关键词： carrier based aircraft carrier air wake Disturbance Robust adaptive control Nonlinear extended state observer

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Direct Lift Control Technology of carrier-Based aircraft Landing Based on Robust Adaptive Control

Direct Lift Control Technology of Carrier-Based Aircraft Lan...

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第43届中国控制会议

作者： Lingxin Kong Qidan Zhu Jixuan Wang Lipeng Wang College of Intelligent Systems Science and Engineering Harbin Engineering University

The landing stage of carrier-based aircraft is crucial throughout the entire carrier-based aircraft task *** aircraft modeling uncertainty and carrier air wake disturbance, this paper introduces a robust adaptive control method based on direct lift. The study employs a direct lift control strategy to improve the aircraft's maneuverability and quickly correct longitudinal errors. For the control law design, a robust term is formulated by constructing a first-order altitude error function, effectively suppressing carrier air wake disturbances. Subsequently, a radial basis neural network(RBFNN) is employed to address model uncertainties in the aircraft model to compensate for unmodeled dynamics. Finally, the stability of the control system is substantiated through the construction of the Lyapunov function. Comparative simulation results indicate that the control method proposed in this paper exhibits superior robustness and an enhanced capability to suppress carrier air wake disturbance.

关键词： direct lift control radial basis function neural network direct robust adaptive control carrier air wake

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