A ride comfort control system is designed for a STOL aircraft with the aim of reducing lateral acceleration levels within the passenger compartment. The control laws are designed using both state feedback and gust feedforward loops based upon a rigid aircraft model. The feedback gains are found using linear optimal control theory. The gust feedforward gains are determined from a generalized inverse formulation that minimizes gust excitation of the dutch roll mode. The lateral directional control surfaces available are the existing rudder and ailerons. Control law performance is evaluated using root-mean-square values calculated from the spectral response of the aircraft with a Von Karman gust spectrum input. The turbulent gust input is based upon Etkin's four-point model which includes linear gust spatial gradients.


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    Title :

    Design of a Lateral Ride Comfort Control System for STOL Aircraft


    Contributors:
    J. E. Byrne (author)

    Publication date :

    1983


    Size :

    139 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English