The paper deals with the problem of controlling static unstable airframes of tactical missiles through the proper choice both of gains and of the autopilot configuration. Unlike other excellent treatments of the subject, the paper tries to simplify to the extreme the analytical description of the problem in order to shorten the gap between the aerodynamicist and the control system designer. Classical feedback paths are described highlighting the key features of each of them and a method of direct synthesis is presented valid for both stable and unstable airframes. The maximum allowable instability of the airframe is derived. The problem of controlling unstable airframes is not new or unusual. This requirement was dictated in the past by the need to accommodate an acceptable trade off to the center of gravity excursions during the boost phase and to compensate for the center of pressure shifts throughout all the flight situations encountered by the missile during its mission. (JES)


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    Titel :

    How to Control Unstable Missile Airframes: Methodology and Limitations


    Beteiligte:
    A. Gazzina (Autor:in)

    Erscheinungsdatum :

    1989


    Format / Umfang :

    18 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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