A Model Reference Adaptive Sliding Mode Control Method for Vertical Takeoff and Landing Reusable Vehicles
An adaptive sliding mode, vertical take-off and landing technology, applied in the field of aircraft control, can solve problems such as inconsistent control performance indicators
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[0083]A model reference adaptive sliding mode control method for a vertical take-off and landing reusable vehicle, the method comprising:
[0084] Step 1: Establish a perturbation guidance law for the active flight segment of the vertical take-off and landing reusable vehicle, and obtain attitude guidance commands for pitch angle, yaw angle and roll angle according to the perturbation guidance law;
[0085] Step 2: establishing a reference model with second-order oscillation link characteristics based on the attitude guidance command, and converting the reference model into a state space model;
[0086] Step 3: Use the small-disturbance linearization equation to carry out small-disturbance linearization on the dynamic model of the vertical take-off and landing reusable vehicle in the active section, and then obtain the three-channel independent decoupling linearization equation, and then convert it into the state space form consistent with the reference model , to obtain the s...
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