This paper presents a new differential geometric guidance design methodology applied to an impact-time control (ITC) problem of constant-speed missiles subject to lateral control acceleration. For such an ITC problem, a simple circular arc guidance equation of desired heading angle is derived, its approximate closed-form solutions are obtained, and a circular predictive guidance (CPG) law is developed. Furthermore, a new dual-virtual-target (DVT) concept is incorporated into the CPG law to guide a missile along a straight-line flight path (with zero lateral acceleration) during its terminal gliding phase toward a stationary target. The integrated CPG-DVT strategy does not involve any form of time-to-go estimation or numerical iterations, and it can be easily employed to accommodate a variety of practical missile engagement requirements.


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    Title :

    New Differential Geometric Guidance Strategies for Impact-Time Control Problem


    Contributors:
    Wang, Pengyu (author) / Guo, Yanning (author) / Ma, Guangfu (author) / Wie, Bong (author)

    Published in:

    Publication date :

    2019-09-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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