In this report, the robustness properties of two more sophisticated guidance laws are studied: (1) Augment proportional navigation, which uses information about the target maneuver; and (2) Optimal guidance, which uses information about the target maneuver, the system dynamics, and the time-to-go. The simulations, show that: Augmented proportional navigation offers better performance than regular proportional navigation, especially at close range; Augmented proportional navigation is sensitive to overestimations of the target acceleration. The sensitivity to underestimations of the target acceleration is, however, small; Optimal guidance is insensitive to errors in the estimate of the target acceleration and of the system dynamics; and Optimal guidance is sensitive to errors in the estimate of time-to-go, especially to bias. The results indicate that augmented proportional navigation is of interest for short range air-to-air missiles.
Nagra Styrlagar foer Malsoekande Missiler vid Malundanmanoever: En Robusthetsstudie (Guidance Laws for Homing Missiles against Maneuvering Target: Study of Robustness)
1996
68 pages
Report
Keine Angabe
Englisch
Missile Guidance & Control Systems , Guided missile trajectories , Maneuvers , Miss distance , Homing devices , Guided missiles , Tracking(Position) , Missile control , Trajectory control , Target acquisition , Air to air , Proportional navigation , Weapon system effectiveness , Guided missile targets , Optimization , Theses , Foreign technology , Robustness
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