A low-complexity preset performance control method for spacecraft attitude tracking
A technology with preset performance and control method, applied in attitude control, space navigation equipment, space navigation equipment and other directions, can solve the problems of high system parameter requirements, unable to guarantee the transient and steady state performance of attitude tracking process, and achieve The effect of high theoretical significance, strong engineering application value, and low complexity characteristics
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[0095] For the spacecraft attitude tracking task, the simulation parameters are as follows: The inertia matrix J of the spacecraft is
[0096]
[0097] The initial pose quaternion is:
[0098]
[0099] The initial attitude angular velocity is:
[0100] ω(0)=[-0.34 0.37 -0.43] T (14)
[0101] The unknown external disturbance is designed as:
[0102]
[0103] The desired posture is designed as:
[0104]
[0105] The preset performance indicators are selected as: beta i =0.08,δ i =0.2, the controller parameters are designed as: k=200, Q=diag(0.05, 0.05, 0.2).
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