Robust Fault-Tolerant Control Allocation for an Input-Redundant Aircraft

Cui L.; Yang Y.; Liu Y. H.

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Robust Fault-Tolerant Control Allocation for an Input-Redundant Aircraft

机译：输入冗余飞机的鲁棒容错控制分配

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A new scheme of robust fault-tolerant control allocation is designed for a discrete-time aerodynamic model in a research environment (ADMIRE) aircraft model in this paper. The control strategy has two steps. In the first step, a discrete-time robust virtual controller is designed to produce three axis moments. In the second step, the fault information will be used to reconfigure the robust fault-tolerant control allocation once an actuator fault is detected. A fault-detection scheme is assumed to exist for estimating the actuator fault. The robust virtual controller and the proposed robust fault-tolerant control allocation are applied to a discrete-time ADMIRE aircraft model. Simulation results demonstrate that the reference signals can be well tracked when the control surface is damaged. Thus the proposed robust fault-tolerant control allocation scheme is valid for input-redundant systems to recover from control surface failure, and simultaneously guarantee robustness to the uncertain control effectiveness matrix and disturbance.

机译：本文针对研究环境（ADMIRE）飞机模型中的离散时间气动模型设计了一种鲁棒的容错控制分配新方案。控制策略有两个步骤。第一步，将离散时间鲁棒虚拟控制器设计为产生三个轴矩。在第二步中，一旦检测到执行器故障，故障信息将用于重新配置鲁棒的容错控制分配。假定存在一种故障检测方案，用于估计执行器故障。鲁棒虚拟控制器和建议的鲁棒容错控制分配应用于离散时间ADMIRE飞机模型。仿真结果表明，当控制面损坏时，可以很好地跟踪参考信号。因此，所提出的鲁棒容错控制分配方案对于输入冗余系统从控制面故障中恢复是有效的，并同时保证了对不确定控制有效性矩阵和扰动的鲁棒性。

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《Journal of aerospace engineering》 |2016年第2期|04015042.1-04015042.10|共10页
作者
Cui L.; Yang Y.; Liu Y. H.;
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作者单位

Peking Univ, Beijing Inst Control & Elect Technol, State Key Lab Turbulence & Complex Syst, Coll Engn,Dept Mech & Aerosp Engn, Beijing 100871, Peoples R China;

Peking Univ, Dept Mech & Aerosp Engn, State Key Lab Turbulence & Complex Syst, Coll Engn, Beijing 100871, Peoples R China;

Beijing Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China;

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正文语种 eng
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关键词
Fault tolerant control; Control allocation; Flight control; Robust control;

机译：容错控制;控制分配;飞行控制;稳健控制;

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Robust Fault-Tolerant Control Allocation for an Input-Redundant Aircraft

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