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A Differential Game Based Guidance Law for an Accelerating Exoatmospheric Missile
Author(s) -
Ye Qing,
Liu Chunsheng
Publication year - 2017
Publication title -
asian journal of control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.769
H-Index - 53
eISSN - 1934-6093
pISSN - 1561-8625
DOI - 10.1002/asjc.1430
Subject(s) - missile , differential game , missile guidance , proportional navigation , interception , terminal guidance , control theory (sociology) , nonlinear system , differential (mechanical device) , course (navigation) , scheme (mathematics) , phase (matter) , computer science , engineering , collision , aerospace engineering , control (management) , mathematics , mathematical optimization , artificial intelligence , computer security , physics , ecology , mathematical analysis , quantum mechanics , biology
A differential game‐based guidance law design is proposed for a class of accelerating exoatmospheric missiles. By analyzing the nonlinear dynamic equations, a class of motions that does not require maneuver effort is derived for the missile. Using this property, a two phase guidance scheme can be derived that permits a perfect interception. In Phase 1, the missile is put in collision course with the target, which means in Phase 2 the missile should intercept the target with a straight line flight course, at a specified terminal body angle. Differential game based guidance laws are derived respectively for the two phases to guarantee the implementation of the guidance scheme. Simulation results show that the methodology provides robust interception performance.