A fault-tolerant control method for distributed flight control system facing wing damage

CUI Yuwei; LI Aijun; MENG Xianfeng

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A fault-tolerant control method for distributed flight control system facing wing damage

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With the strong battlefield application environment of the next generation fighter,based on the design of distributed vehicle management system,a fault diagnosis and fault-tolerant control(FTC)method for wing surface damage is proposed in this paper.Aiming at three kinds of wing damage modes,this paper proposes a diagnosis method based on the fault decision tree and forms a fault decision tree for wing damage from the aspects of sample database construction,feature parameter extraction,and fault decision tree construction.Based on the fault diagnosis results,the longitudinal control law based on dynamic inverse and the lateral-directional robust control laws based on linear quadratic regulator(LQR)are proposed.From the simulation examples,the fault diagnosis algorithm based on the decision tree can complete the judgment of three wing surface damage modes within 2 ms,and the FTC law can make the fighter quickly return to a stable flight state after a short transient of 1 s,which achieves the fault-tolerant goal.

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来源
《系统工程与电子技术：英文版》 |2021年第5期|1041-1052|共12页
作者
CUI Yuwei; LI Aijun; MENG Xianfeng;
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作者单位

School of Automation;

Northwestern Polytechnical University;

Xi’an 710072;

China;

Aviation Industry Corporation of China Xi’an Flight Automatic Control Research Institute;

Xi’an 710065;

China;

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原文格式 PDF
正文语种 chi
中图分类计算技术、计算机技术;
关键词
flight control; fault diagnosis; distributed system; dynamic inverse; linear quadratic regulator(LQR);

A fault-tolerant control method for distributed flight control system facing wing damage

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