Stability characteristics of proportional navigation (PN) guidance are analyzed by using the short-time stability criterion which is extended here to accommodate time-varying state weights and time-varying bounds of the state norm. As short-time stability is defined over a specified time interval, its application to the stability analysis of a homing guidance loop that operates up to a finite time gives more accurate results than previous studies. Furthermore, within the framework of short-time stability, zero effort miss and acceleration command, which are the most important variables determining guidance performance, can be directly related with guidance loop stability. An application to a PN guidance loop with a 1st-order missile/autopilot time lag shows that the stability condition based on short-time stability is less conservative than the previous results based on hyperstability and Popov stability.


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    Title :

    Short-time stability of proportional navigation guidance loop


    Contributors:
    Dong-Young Rew (author) / Min-Jea Tahk (author) / Hangju Cho (author)


    Publication date :

    1996-07-01


    Size :

    2365220 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Short-time stability of proportional navigation guidance loop

    Rew, Dong-Young / Tahk, Min-Jea / Cho, Hangju | Tema Archive | 1996



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