高超声速飞行器再入控制与性能评估方法  

Reentry Control and Performance Evaluation Method for Hypersonic Vehicle

作　　者：杨琪琛 宗群[1] 董琦[1] YANG Qichen ZONG Qun DONG Qi(School of Electrical and Automation Engineering, Tianjin University, Tianjin 300072, Chin)

机构地区：[1]天津大学电气与自动化工程学院,天津300072

出　　处：《信息与控制》2017年第1期33-40,共8页Information and Control

基　　金：国家自然科学基金资助项目(61273092)

摘　　要：针对高超声速飞行器的6自由度再入模型,在考虑模型不确定和外界干扰的情况下,提出了一种新型鲁棒控制策略.首先,针对飞行器再入姿态模型设计了一种基于反步的超螺旋滑模控制器,并分析了闭环系统的有限时间稳定性.在此基础上,构建了一套高超声速飞行器再入控制方法的性能指标体系,进而提出了一种基于层次分析(AHP)法和熵值法结合的定量性能评估方法.最后,通过Matlab仿真与性能评估验证了所提控制策略具有良好的控制性能和鲁棒性.A new robust control strategy is proposed for the reentry attitude tracking of hypersonic vehicle in the presence of model uncertainty and external disturbances.Firstly,a super twisting sliding mode controller based on backstepping method is designed for the dynamics of attitude motion,and the finite time stability of closed-loop system is analyzed.On this basis,a novel performance evaluation index system for the reentry control system of Hypersonic Vehicle is established.Then,a evaluation method based on AHP（analytic hierarchy process） method and entropy evaluation method is proposed.Finally,Matlab simulation is combined with the proposed evaluation method to verify the effectiveness and the robustness of the control strategy.

关 键 词：高超声速飞行器 滑模控制器 性能评估 层次分析(AHP)法 熵值法 

分 类 号：V249[航空宇航科学与技术—飞行器设计]