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Switching LPV control of an F-16 aircraft via controller state reset

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3 Author(s)
Bei Lu ; Dept. of Mech. & Aerosp. Eng., California State Univ., Long Beach, CA, USA ; Fen Wu ; SungWan Kim

In flight control, the design objective and the aircraft dynamics may be different in low and high angle of attack regions. This paper presents a systematic switching LPV control design method to determine if it is practical to use for flight control designs over a wide angle of attack region. The approach is based on multiple parameter-dependent Lyapunov functions. A family of LPV controllers are designed, and each of them is suitable for a specific parameter subspace. The state of the controller is reset to guarantee the stability requirement of the Lyapunov function when the switching event occurs. Two parameter-dependent switching logics, hysteresis switching and switching with average dwell time, are examined. The proposed switching LPV control scheme is applied to an F-16 aircraft model with different design objectives and aircraft dynamics in low and high angle of attack regions. The nonlinear simulation results using both switching logics are compared.

Published in:

Control Systems Technology, IEEE Transactions on  (Volume:14 ,  Issue: 2 )