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A new controller design method of lateral-directional dynamics is proposed. This method is based on the formulated pilot model, and the controller is designed so that the pilot-aeroplane system attains the desired requirements. Robust stabilities and handling qualities can be taken into account. The proposed method was applied to B747 dynamics, and flight simulator experiments were performed, and the designed controller was verified.

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Lateral-directional piloted simulation experiments were conducted in order to analyze pilot responses when the pilot controls an aircraft with only the ailerons after rudder failure. The experiments were carried out using a fixed-base flight simulator and four pilots. Six aircraft configurations, made by changing the stability derivatives, were tested, and pilot models were identified using the least-squares method. An analysis of the closed-loop shows that the closed-loop gain and stabilities correlate with the tracking error of the compensation task. Additionally, from the results of analysis, an evaluation function using pilot-in-the-loop with a fixed pilot model was developed. This function was able to predict the compensational error analytically from the airplane dynamics.

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