Title :
Performance analysis of PNG laws for randomly maneuvering targets
Author :
Ha, In-Joong ; Hur, Jong-sung ; Ko, Myoung-sam ; Song, Taek-lwl
Author_Institution :
Dept. of Control & Instrum. Eng., Seoul Nat. Univ., South Korea
fDate :
9/1/1990 12:00:00 AM
Abstract :
The performance of the conventional proportional navigation guidance (PNG) law for a randomly maneuvering target is considered. By means of the Lyapunov method, it is proved that an ideal missile guided by the conventional PNG law can always intercept a target which maneuvers with time-varying normal acceleration provided that the navigation constant is sufficiently large. The authors also propose a modified PNG (MPNG) law which seems to improve the performance of the conventional PNG law at the final phase of pursuit. Simulation results demonstrate that the MPNG law demands less missile acceleration at the final phase of pursuit than the conventional PNG law
Keywords :
Lyapunov methods; missiles; navigation; random processes; simulation; Lyapunov method; dynamics; final phase of pursuit; kinematics; missile; missile acceleration; navigation constant; performance analysis; proportional navigation guidance; randomly maneuvering targets; simulation; time-varying normal acceleration; Accelerated aging; Acceleration; Aerospace engineering; Closed-form solution; Differential equations; Drives; Instruments; Missiles; Navigation; Performance analysis;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
