Aircraft rolling channel attitude control method based on sliding mode active disturbance rejection composite control
A composite control and attitude control technology, which is applied in the field of aircraft rolling channel attitude control and aircraft rolling channel attitude control, can solve the problems that PID control cannot meet the control requirements, and achieve strong robustness
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[0018] Attached below figure 1 , figure 2 , a specific implementation of the aircraft rolling channel attitude control method based on the sliding mode active disturbance rejection compound control of the method of the present invention is described in detail:
[0019] 1. Using the coefficient freezing method to linearize the mathematical model of the projectile body, the mathematical model of the rolling channel is obtained as:
[0020]
[0021] Among them, γ is the roll angle of the aircraft; w x is the roll angular velocity of the aircraft; c 1 ,c 3 is the aerodynamic parameters of the aircraft, δ x is the aileron deflection angle of the aircraft.
[0022] 2. Use a nonlinear tracking differentiator to reasonably extract the differential signal input by the system:
[0023]
[0024] Among them, the x in the formula 1 Input signal to the vehicle roll channel used for tracking¶ d , x 2 is the approximate differential signal of the input signal of the aircraft r...
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