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Research on model-free adaptive active flutter suppression based on ridge regression

Published online by Cambridge University Press:  18 September 2023

J. Yu ,
H. Qi Open the ORCID record for H. Qi [Opens in a new window] ,
J. Du ,
K. Wang  and
J. Guo
J. Yu
Affiliation:
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China Key Laboratory of Vehicle Transmedia Technology, Harbin Engineering University, Harbin, 150001, China
H. Qi*
Affiliation:
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China Key Laboratory of Vehicle Transmedia Technology, Harbin Engineering University, Harbin, 150001, China
J. Du
Affiliation:
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China Key Laboratory of Vehicle Transmedia Technology, Harbin Engineering University, Harbin, 150001, China
K. Wang
Affiliation:
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China Key Laboratory of Vehicle Transmedia Technology, Harbin Engineering University, Harbin, 150001, China
J. Guo
Affiliation:
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China Key Laboratory of Vehicle Transmedia Technology, Harbin Engineering University, Harbin, 150001, China
*
Corresponding author: Hui Qi; Email: qihui@hrbeu.edu.cn
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Abstract

Traditional active flutter suppression controllers are designed based on model. However, as the aircraft becomes more and more powerful, the modeling of aeroelastic system becomes difficult and the model-free requirement of controller design becomes more and more urgent. The complexity of industrial processes has brought about massive operational data generated online. Aviation industry development has entered the era of big data. Breaking through the traditional theoretical framework, mining the correlation, evolution and dynamic characteristics of the system from the data is the inevitable choice to meet this demand. In this paper, a data-driven model-free controller is designed, which relies on ridge regression of the input and output variation at each operating point of the closed-loop controlled system to recursively derive the iterative format of the control signals and ensure the numerical stability of the signals. The controller can only use the real-time measurement of the system’s online input and output data for continuous correction, to achieve the purpose of flutter suppression. Then flutter suppression of a three-degree-of-freedom binary wing with a control surface is studied, and the superiority of model-free controller is demonstrated by comparing it with the optimal controller.

Keywords

ridge regressionactive flutter suppressiondata drive
Type
Research Article
Information
The Aeronautical Journal , Volume 128 , Issue 1323 , May 2024 , pp. 950 - 965
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Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of Royal Aeronautical Society

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