东南大学学报（英文版）2020，Vol.36Issue(2)：152-162,11.DOI:10.3969/j.issn.1003-7985.2020.02.005
垂直尾翼损伤的基于双曲正切函数的等效滑模容错控制
Equivalent sliding mode fault tolerant control based on hyperbolic tangent function for vertical tail damage
摘要
Abstract
An equivalent sliding mode fault-tolerant control method with continuous switching is proposed for vertical tail damage.First,the nonlinear damage model of aircraft and the estimation of stability and control derivatives are introduced.Secondly,the linear sliding surface and the equivalent sliding mode controller are constructed,and the sufficient conditions for the stability of the damaged aircraft motion model are given by using the Lyapunov technique.The damage-tolerant controller is designed based on an adaptive sliding mode control for analyzing damaged aircraft systems.Furthermore,the hyperbolic tangent function is utilized to replace the symbolic function in the controller.The feasibility of the hyperbolic tangent function as the switching function is analyzed theoretically.Finally,the Boeing-747 100/200 model is taken as an example to demonstrate the efficiency of theoretical results by recognizing the structural fault of aircraft.Numerical results show that the control law has a positive impact on the performance of the closed-loop system,and it also has a better fault tolerance and robustness towards external disturbance compared with traditional methods of damaged aircraft stabilization control.关键词
自适应滑模/等效滑模/容错控制/受损飞机/损伤程度Key words
adaptive sliding mode/equivalent sliding mode/fault tolerant control/damaged aircraft/damage degree分类
航空航天引用本文复制引用
庄会选,孙青林,陈增强..垂直尾翼损伤的基于双曲正切函数的等效滑模容错控制[J].东南大学学报（英文版）,2020,36(2):152-162,11.基金项目
The National Natural Science Foundation of China(No.61973172,61973175),the Key Technologies R& D Program of Tianjin (No.19JCZDJC32800). （No.61973172,61973175）
