Cheolkeun Ha, Sangwon Ahn
International Journal of Aeronautical and Space Sicences, vol. 5, no. 1, pp.30-38, 2004

Abstract : This paper deals with a problem of automatic landing guidance and control of the longitudinal airplane motion under the wind shear turbulence. Adaptive gain scheduled PID control law is proposed in this paper. Fuzzy logic is the main part of the adaptive PID controller as gain scheduler. To illustrate the successful application of the proposed control law to the automatic landing control problem, numerical simulation is carried out based on the longitudinal nonlinear airplane model excited by the wind shear turbulence. The simulation results show that the automatic landing maneuver is successfully achieved with the satisfactory performance and the gain adaptation of the control law is made adequately within the limited gains.

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