摘要
针对运载火箭结构工作模态分析问题,在对国内外研究现状及成果的调研基础上,对运载火箭结构工作模态参数辨识的研究现状及方法进行回顾及介绍。在已有工作基础上,总结了运载火箭结构工作模态参数的特点及辨识的基本流程,获取准确的工作模态参数对于运载火箭有限元模型修正、自适应控制、实时状态监测等具有重要意义;分析了运载火箭结构工作模态参数辨识的研究趋势和发展方向,主要包括鲁棒辨识算法、模态天地差异性分析、基于在线模态参数辨识的智能控制与决策等,以期为我国相关技术的研究发展和工程应用有所启示。
Aiming at the operational modal analysis of rocket launchers,this paper gives an overview on the study of operational modal parameters identification for rocket launchers and an introduction of the widely used methods for this topic.Based on existing researches in this area,the basic process of modal identification and the features of the operational modal parameters for rocket launchers are summarized.Reliable operational modal parameters is significant for the structures of rocket launchers in many aspects,such as finite element model updating,adaptive control system design and real-time state monitoring,etc.Several key issues that should be researched further are introduced including robust identification method,modal difference analysis between space and ground,real-time intelligent control and decision-making,providing some enlightenment for the research development and engineering application of related technologies.
作者
马庆港
王紫扬
康杰
岳振江
刘莉
MA Qinggang;WANG Ziyang;KANG Jie;YUE Zhenjiang;LIU Li(School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China;Beijing Institute of Astronautical Systems Engineering,Beijing 100076,China;College of Astronautics,Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China)
出处
《弹箭与制导学报》
北大核心
2022年第1期60-70,共11页
Journal of Projectiles,Rockets,Missiles and Guidance
关键词
运载火箭
结构模态参数
工作模态辨识
rocket launcher
structural modal parameters
operational modal identification
