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Research and Simulation on the Proportional Guidance Law for Ballistic Missile Boost Phase Defense

Author: LiuYongShi
Tutor: JiaJie
School: Nanchang University of Aeronautics and
Course: Navigation,Guidance and Control
Keywords: Ballistic missile Boost phase defense Proportional guidance law Trajectorysimulation
CLC: TJ761.3
Type: Master's thesis
Year: 2012
Downloads: 157
Quote: 1
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Ballistic missile defense has become an essential technology in the modern warfarewith the development of ballistic missile, some countries study ballistic missile defense,the results are clear, but the most countries only study middle defense and reentrydefense, it is relatively small for boost phase defense, so this paper studies the boostphase defense according to the above research results, the proportional guidance lawapplied to the boost phase ballistic missile defense is the main content, at the same time,interceptor missile trajectory simulation for proportional guidance law and it analyzessimulation results.This paper studies the proportional guidance law applied to the boost phaseballistic missile defense and interceptor missile trajectory simulation. First, this paperintroduces ballistic missile, boost phase defense and a variety of guidance law, at thesame time, it analyzes the advantage of boost phase defense advantage, research statusin the domestic and foreign, the advantages of the proportional guidance law; Second, itanalyzes ballistic missile movement law in the boost phase, it main analyzes ballisticmissile by the force and torque in the boost phase, it derives the movement equation ofthe ballistic missile in the boost phase according to the ballistic missile by the force andtorque in the boost phase; Then, it analyzes the proportional guidance law, it mainanalyzes the relative position of the interceptor missile and target ballistic missile, itderives proportional guidance equation and relative motion equation of interceptormissile and target ballistic missile, it analyzes the trajectory characteristics of theinterceptor missile for proportional guidance law and scale factor selection criteria;Finally, the interceptor missile trajectory simulation for proportional guidance law, itanalyzes the scale factor and the interceptor missile speed affect the intercept time, thescale factor and the interceptor missile speed affect the interceptor missile trajectory, theangle between the target ballistic missiles with level and the turn height of the targetballistic missile affect the intercept time, at the same time, the proportion guidance lawis improved.Analysis simulation results show that: interceptor missile launch to intercept afterthe turn of the target ballistic missile for the boost phase ballistic missile defense. Choose the scale factor and the interceptor missile speed to make interceptor missiletrajectory bending is reasonable, interceptor missile need to use the overload is less thanthe available normal overload. Choose appropriate the additional increment can reducethe intercept time.

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CLC: > Industrial Technology > Arms industry > Rockets, missiles > Missile > Missiles : the range,the role of structural distinctions > Ballistic missile
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