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2 Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics

2 2001

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Modal control approach to the test maneuver design for aircraft flight tests

Brusov V., Ovcharenko V.

Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics

2001

nr 11

25-28

A problem of test maneuver design is discussed in the case of statically unstable aircraft. The results obtained can be applied to formulation of the control laws for an aircraft within a predetermined frequency range. There appears a kind of duality for such control laws, namely, an input signal stabilizes and disturbs the dynamic system states at the same time.

Dynamics of an aircraft augmented by direct control of aerodynamic forces and moments

Gouskov Y., Palyonov Y.

Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics

2001

nr 11

87-94

In this paper the novel forms of aircraft motion are demonstrated, using the simultaneous control over the aerodynamic forces and moments. These forms are similar to the well known old forms, in which the phase coordinates are kept constant, using traditional central control stick and pedals. The maneuvering capabilities of these old forms of motion can be increased, if parallel to the abovementioned controls the additional command devices are used. Using these additional command devices, pilot can generate additional signals to improve the longitudinal and lateral control of motion. By such a control the maneuvers can be separated into pure translation and pure rotation. This paper discusses the control systems for these maneuvers. It is shown that by the coordinated deflection of all aerodynamic control surfaces the pure (force-less) torque and the pure (torque-less) force can be provided.