A Displacement Mode Differential Golden Section Adaptive Non-Drag Control Method
A golden section, control method technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of difficult to realize displacement mode, open-loop instability, large uncertainty, etc., to achieve parameter debugging The effect of small workload, stability margin and dynamic performance improvement, and simple algorithm design
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[0054] Taking the XX-1 satellite as an example, the mathematical simulation of the adaptive control method proposed in this patent application is carried out. The satellite runs in a sun-synchronous circular orbit of 628km, and the attitude control loop can ensure the zero attitude in the no-drag mode. In order to simplify the simulation, only the displacement mode in the x-axis direction is considered without drag control, the satellite mass is 100kg, the electrostatic negative stiffness coefficient is 0.0093, the thruster is a first-order delay object, the time constant of one section is 1s, and the delay is 0.01s, The relative displacement output is downsampled to 10Hz by a two-stage CIC filter. The whole circuit diagram is as figure 2 As shown, the relative displacement measurement output and the x-axis non-conservative resultant force are respectively as follows image 3 and Figure 4 As shown, the non-conserved net force was abrupt at t=1060s (introduction of solar li...
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