Anti-disturbance control of hypersonic flight vehicles with input saturation using disturbance observer

查看全文 作　　者：CHEN [1]Mou;REN [2]BeiBei;WU [1]QinXian;JIANG [1]ChangSheng

机构地区：[1]College of Automation Engineering, Nanjing University of Aeronautics and Astronautics;[2]Department of Mechanical Engineering, Texas Tech University

出　　处：《Science China(Information Sciences)》索引2015年第58卷第7期,共12页

基　　金：supported by National Natural Science Foundation of China(Grant No.61174102);Jiangsu Natural Science Foundation of China(Grant No.SBK20130033);Program for New Century Excellent Talents in University of China(Grant No.NCET-11-0830);Specialized Research Fund for the Doctoral Program of Higher Education(Grant No.20133218110013);Aeronautical Science Foundation of China(Grant No.20145152029);a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions 摘　　要：This paper proposes an anti-disturbance control scheme for the near space vehicle(NSV) based on terminal sliding mode(TSM) technique and disturbance observer method. To tackle the system uncertainty and the time-varying unknown external disturbance of the NSV, a disturbance observer based on TSM technique is designed which can render the disturbance estimate error convergent in finite time. Furthermore, an auxiliary design system is introduced to analyze the input saturation effect. Based on the developed disturbance observer and the auxiliary design system, an anti-disturbance attitude control scheme is developed for the NSV using the TSM technique to speed up the convergence of all signals in closed-loop system. For the closed-loop system,the stability is rigorously proved by using the Lyapunov method and we guarantee the finite time convergence of all closed-loop system signals in the presence of the integrated affection of the system uncertainty, the input saturation, and the unknown external disturbance. Simulation study results are given to show the effectiveness of the developed TSM anti-disturbance attitude control scheme using the disturbance observer and the auxiliary system for the NSV. 关键词：扰动观测器抗干扰控制输入饱和高超声速飞行器辅助设计系统有限时间收敛李亚普诺夫方法控制方案

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Anti-disturbance control of hypersonic flight vehicles with input saturation using disturbance observer

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