Head Pursuit Variable Structure Guidance Law for Three-dimensional Space Interception

This article aims to develop a head pursuit (HP) guidance law for three-dimensional hypervelocity interception,so that the effect of the perturbation induced by seeker detection can be reduced.On the basis of a novel I-IP three-dimensional guidance model,a nonlinear variable structure guidance law is presented by using Lyapunov stability theory.The guidance law positions the interceptor ahead of the target on its flight trajectory,and the speed of the interceptor is required to be lower than that of the target.A numerical example of maneuvering ballistic target interception verifies the rightness of the guidance model and the effectiveness of the proposed method.

作 者： Ge Lianzheng Shen Yi Gao Yunfeng Zhao Lijun   作者單位： Department of Control Science and Engineering,Harbin Institute of Technology,Harbin 150001,China  刊 名： 中國航空學報（英文版）  ISTIC 英文刊名： CHINESE JOURNAL OF AERONAUTICS  年，卷(期)： 2008 21(3)  分類號： V2  關鍵詞： a:head pursuit   three-dimensional guidance model   nonlinear variable structure   Lyapunov stability theory   guidance law  

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