基于LPV鲁棒滤波器的大型民机作动器故障检测

郑凌霄; 刘世前; 李元祥; 骆建华; 衣建臣

doi:10.13976/j.cnki.xk.2014.0596

基于LPV鲁棒滤波器的大型民机作动器故障检测

上海交通大学航空航天学院, 上海 200240

基金项目: 国家自然基金资助项目（10577012）；工信部“十二·五”民机专项预研项目（MJZ-S-2011-06）；国家航天支撑技术基金资助项目（12GFZ-JJ02-022）

详细信息

作者简介:
郑凌霄（1990-），女，硕士生．研究领域为飞行控制，故障诊断．
刘世前（1971-），男，博士，副教授．研究领域为飞行器控制，信息融合与目标跟踪，无人机系统．
李元祥（1968-），男，博士，副教授．研究领域为目标跟踪与识别，遥感信息处理，文字识别．

通讯作者:
刘世前，liushiqian@sjtu.edu.cn

中图分类号: TP273
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出版历程
- 收稿日期: 2013-09-12
- 修回日期: 2014-03-25
- 发布日期: 2014-10-19

LPV Robust Filter Based Fault Detection of the Actuators for a Jumbo Jet Transport Aircraft

School of Aeronautics and Astronautics, Shanghai Jiaotong University, Shanghai 200240, China

摘要

摘要: 针对大型民机飞行控制系统作动器故障，考虑飞机对象和飞行控制系统结构参数随高度和马赫数时变，且测量信号受干扰影响，提出线性参变（linear parameterv arying，LPV）系统鲁棒故障检测方法．目标是寻找参变滤波器使残差系统实现参变H_∞/H_-混合指标，利用回路成形思想将该目标转换为参变H_∞鲁棒性能问题，进而使用线性分式变换转换为具有结构不确定性的线性时不变H_∞鲁棒性能问题，运用标定有界实引理推导出故障检测滤波器存在的充分条件，并借助Matlab半正定规划工具箱求解滤波器参数，得到的滤波器与被监控对象具有相同的时变参数结构，能够随可测参数自适应调参．最后以B747-100/200大型民机为例，检测其升降舵舵效损伤故障，仿真结果表明本文提出的LPV鲁棒故障检测方法是有效的．
- 大型民用飞机 /
- 故障检测 /
- 线性参数时变 /
- 鲁棒滤波
Abstract: A robust fault detection filter design method for faults in the actuator of a jumbo jet transport aircraft is proposed by considering how the structural parameters of the transport aircraft plant and its flight control system vary with flight altitude and Mach number, and how the measure signals are disrupted by noise. The objective is to find a parameter-vaying filter that makes the residual system fulfill a parameter varying mixed H_∞/H_- index. Using loop-shaping theory, the mixed index is transformed into a parameter-varying H_∞ index. The LFT tool is then employed to transform the above problem into a H_∞ robust performance problem for an LTI system with structured uncertainty, and the sufficient conditions for the existence of the filter are achieved via scaled bounded real lemmas. The parameters of the LPV filter for fault detection are obtained by the Matlab SDP toolbox. This LPV filter has the same varying parameter structure as the monitored plant, and it has adaptive capability for the varying parameters. Finally, a simulation example of the elevator surface injury of a B747-100/200 jumbo jet is illustrated to demonstrate the practical effect of the proposed approach.
- jumbo jet transport aircraft /
- fault detection /
- linear parameter varying (LPV) /
- robust filter

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参考文献(20)

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基于LPV鲁棒滤波器的大型民机作动器故障检测

通讯作者: 刘世前，liushiqian@sjtu.edu.cn

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LPV Robust Filter Based Fault Detection of the Actuators for a Jumbo Jet Transport Aircraft

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通讯作者:
刘世前，liushiqian@sjtu.edu.cn