An optimal guidance law with multi -targets which can satisfy impact point, impact angle and terminal velocity constraints is proposed to solve precise guidance and maneuver penetration problems for hypersonic vehicle in dive phase. Firstly, it analyses the control characters for this kind of vehicle, and establishes relative motion equations in diving-plane and turning-plane. Furthermore, reference motions for the LOS (line-of sight) angle rate with the form of sinusoid are designed, which can be tracked by optimal control with the integrated optimal index consists of maximum terminal velocity, minimum miss distance and impact angle error. Therefore, an optimal guidance law with terminal multiple constraints and can realize maneuvering flight is obtained. In addition, it takes advantage of predictor-corrector to ascertain the maneuver range to consume residual energy in order to satisfy terminal velocity constraint. Finally, the results of CAV-H vehicle simulation test show that the algorithm can realize maneuvering flight, and can satisfy multiple constraints with high precision. Therefore, it can offer references for high precision guidance and maneuver penetration for hypersonic vehicle in dive phase.


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    Title :

    Optimal guidance with multi-targets for hypersonic vehicle in dive phase


    Contributors:
    Zhu, Jianwen (author) / Liu, Luhua (author) / Tang, Guojian (author) / Bao, Weimin (author)


    Publication date :

    2013-06-01


    Size :

    1545814 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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