Novel robust fault diagnosis method for flight control systems

Guo Yuying; Jiang Bin; Zhang Youmin; Wang dianfei

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Novel robust fault diagnosis method for flight control systems

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摘要

A novel robust fault diagnosis scheme, which possesses fault estimate capability as well as fault diagnosis property, is proposed. The scheme is developed based on a suitable combination of the adaptive multiple model (AMM) and unknown input observer (UIO). The main idea of the proposed scheme stems from the fact that the actuator Lock-in-Place fault is unknown (when and where the actuator gets locked are unknown), and multiple models are used to describe different fault scenarios, then a bank of unknown input observers are designed to implement the disturbance de-coupling. According to Lyapunov theory, proof of the robustness of the newly developed scheme in the presence of faults and disturbances is derived. Numerical simulation results on an aircraft example show satisfactory performance of the proposed algorithm.

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来源
《系统工程与电子技术：英文版》 |2008年第5期|1017-1023|共7页
作者
Guo Yuying; Jiang Bin; Zhang Youmin; Wang dianfei;
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作者单位

Coll. of Automation Engineering;

Nanjing Univ. of Aeronautics and Astronautics;

Nanjing 210016;

P. R. China;

Southwestern Univ. of Science and Technology;

Mianyang 621010;

P. R. China;

Dept. of Mechanical and Industrial Engineering;

Concordia Univ.;

Montreal;

Quebec H3G 1M8;

Canada;

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原文格式 PDF
正文语种 chi
中图分类航空飞行术;
关键词
断层诊断; 自适应模型; 输入观测员; 飞行控制;

机译：故障诊断;自适应多模型;未知输入观察者;飞行控制;

Novel robust fault diagnosis method for flight control systems

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