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http://dx.doi.org/10.5139/JKSAS.2014.42.1.20

Composite Guidance Law for Impact Angle Control of Passive Homing Missiles  

Park, Bong-Gyun (LIG Nex1)
Kim, Tae-Hun (Agency for Defense Development)
Tahk, Min-Jea (Korea Advanced Institute of Science and Technology)
Kim, Youn-Hwan (LIG Nex1)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.1, 2014 , pp. 20-28 More about this Journal
Abstract
In this paper, based on the characteristics of proportional navigation, a composite guidance law is proposed for impact angle control of passive homing missiles maintaining the lock-on condition of the seeker. The proposed law is composed of two guidance commands: the first command is to keep the look angle constant after converging to the specific look angle of the seeker, and the second is to impact the target with terminal angle constraint and is implemented after satisfying the specific line of sight(LOS) angle. Because the proposed law considers the seeker's filed-of-view(FOV) and acceleration limits simultaneously and requires neither time-to-go estimation nor relative range information, it can be easily applied to passive homing missiles. The performance and characteristics of the proposed law are investigated through nonlinear simulations with various engagement conditions.
Keywords
Impact Angle Control; Passive Homing Missiles; Composite Guidance Law; Proportional Navigation;
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