航空科学技术2023，Vol.34Issue(12)：75-82,8.DOI:10.19452/j.issn1007-5453.2023.12.009
基于滑模观测器的飞翼无人机输出反馈控制
Sliding Mode Observer Based Output Feedback Controller Design of Flying Wing UAV
摘要
Abstract
Flying wing UAVs has strong maneuverability and better stealth performances due to their special aerodynamic configurations.Nevertheless,the special aerodynamic configuration and complex flight environment bring the control system design with channel coupling and multi-source disturbance problems.Therefore,the flying wing UAV anti-disturbance control has become the key issue of its development limit.This paper investigates the command tracking control problem of the longitudinal dynamics in flying wing UAV with multi-source disturbances.Firstly,the command tracking problem in altitude and velocity channel is transformed into the stabilization of tracking errors.Secondly,the couplings between the altitude and velocity channels and the influences of multi-source disturbances are regarded as lumped disturbances,and then the High-order Sliding Mode Observer(HSMO)technique is introduced to estimate them.Finally,a composite nonlinear dynamic inverse output feedback controller is constructed based on the estimation information of HSMO.Simulation results validate that the proposed method not only guarantees high-precision tracking of the altitude and velocity commands,but also achieves good disturbance rejection performance.关键词
飞翼无人机/高阶滑模观测器/主动抗干扰控制/输出反馈控制Key words
flying wing UAV/high order sliding mode observer/composite dynamic inverse control/output feedback control分类
航空航天引用本文复制引用
顾子箫,赵振华,闻子侠,曹东..基于滑模观测器的飞翼无人机输出反馈控制[J].航空科学技术,2023,34(12):75-82,8.基金项目
航空科学基金(20200058052002) （20200058052002）
国家自然科学基金(61903192) （61903192）
江苏省优秀青年基金(BK20230091) Aeronautical Science Foundation of China(20200058052002) （BK20230091）
National Natural Science Foundation of China(61903192) （61903192）
Jiangsu Provincial Excellent Youth Fund(BK20230091) （BK20230091）
