A command tracking control method for hypersonic aircraft to suppress parameter perturbation
A technology of hypersonic speed and command tracking, which is applied in the direction of adaptive control, general control system, control/regulation system, etc., and can solve the problems of ensuring the command tracking performance of the control system
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[0127] Embodiment one: in order to verify the effectiveness of the robust adaptive sliding mode controller (10)—(12), references (Xu H, Minmirani M D, Ioannou P A.Adaptive sliding mode control design for ahypersonic flight vehicle[J] .Journal of Guidance, Control, and Dynamics, 2004,27(5):829-838.) The aerodynamic coefficient of the hypersonic vehicle is shown in formula (19), and the atmospheric density and gravity acceleration are shown in formula (20). The parameters are shown in Table 1.
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[0130] Table 1 Basic parameter data of hypersonic vehicle
[0131] parameter name Numerical size parameter name Numerical size quality 136820kg reference area 334.73m 2
y-axis moment of inertia 9490740kg·m 2
mean aerodynamic chord length 24.38m
[0132] The initial state of the aircraft is V=4590.3m / s, γ=0°, α=2.745°, q=0° / s, h=33528m, β=0.21, Using the flight controller described by formula (16-18), the controller...
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