L1 Adaptive for Aircraft Lateral Fault Tolerant Control with Actuator Failure

被引：0
|
作者：
Zhou Y. [1 ]
Liu H. [1 ]
Li J. [2 ]
机构：
[1] School of Automation, Northwestern Polytechnical University, Xi'an
[2] School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an
来源：
Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University | 2019年 / 37卷 / 05期
关键词：
Actuator failure; Aircraft; Fault tolerant control; L1 adaptive control; Lateral control;
D O I：
10.1051/jnwpu/20193750935
中图分类号：
学科分类号：
摘要：
When aircraft is laterally controlled, actuator failure may cause matched/unmatched uncertainties. In order to deal with the uncertainty, a fault-tolerant controller is designed by using L1 adaptive control method. An aircraft lateral model was established by considering faults and disturbances, the effects of the uncertainty and interference were counteracted by using L1 adaptive controller in order to ensure the rapid adaptation and robustness, and then the stability and transient performance of the closed-loop system were proven through Lyapunov method. In the case of multiplicative fault, additive fault and stuck fault, the uncertainties of model parameter were added to simulate simultaneously. Simulation results showed that the present control method in both single-fault mode and hybrid-failure mode could ensure the uniform bounded control signal and parameter estimation, effectively eliminates the effect of the faults and had the good fault tolerance and robustness. © 2019 Journal of Northwestern Polytechnical University.
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页码：935 / 942
页数：7
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