The work presented here investigates proposed impact angle control guidance laws with terminal acceleration constraints for a stationary or slowly moving target. These laws, called time-to-go polynomial guidance (TPG), assume the guidance command as a polynomial function of time-to-go and determine the coefficients of the guidance command to satisfy the specified terminal constraints. The closed-form trajectory solutions of the guidance command and the target look angle for lag-free systems are derived and their characteristics are investigated. Based on the results we propose a systematic method to find the guidance gains that satisfy practical limits, such as the actuator's command limit and the seeker's field-of-view (FOV) limit. A time-to-go estimation method is also discussed for implementing TPG. Nonlinear and adjoint simulations are performed to investigate the performance of TPG.


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    Titel :

    Polynomial Guidance Laws Considering Terminal Impact Angle and Acceleration Constraints


    Beteiligte:
    Chang-Hun Lee (Autor:in) / Tae-Hun Kim (Autor:in) / Min-Jea Tahk (Autor:in) / Ick-Ho Whang (Autor:in)


    Erscheinungsdatum :

    01.01.2013


    Format / Umfang :

    6338466 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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