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In this paper we deal with the analysis of Category II (nonlinear) Pilot in the Loop Oscillations (PIO). They are originated by a misadaptation between the pilot and the aircraft during some tasks in which tight closed loop control of the aircraft is required from the pilot, with the aircraft not responding to pilot commands as expected by the pilot himself. We propose a novel approach, based on robust...
In this paper a method for the stability analysis of a closed loop system, composed of a linear system and its controller with simultaneous acting amplitude and rate control commands limitations, is provided. This kind of nonlinearity is unavoidably encountered in many fields of control applications, because of physical constraints of the actuation devices. In particular, when the control input derivative...
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