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.


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    Title :

    Nagra Styrlagar foer Malsoekande Missiler vid Malundanmanoever: En Robusthetsstudie (Guidance Laws for Homing Missiles against Maneuvering Target: Study of Robustness)


    Contributors:
    R. Kerakos (author)

    Publication date :

    1996


    Size :

    68 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English