Deployment control method for space tether system based on nonlinear model predictive control
A space tether system and nonlinear model technology, applied in general control systems, control/regulation systems, adaptive control, etc., can solve problems such as vibration, complex tethers, and controller design difficulties, and achieve robustness , reduce modeling error, system uncertainty and the effect of space interference suppression
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[0065] The present invention can be used in a three-dimensional space tether system. The space tether system refers to a combination of man-made space objects that are connected together with a tether to complete in-orbit flight. The most representative is to pass a satellite (sub-star) through several meters. A tether that is tens of kilometers or even longer is connected to another aircraft (primary star) with a larger mass to form a space combination of the main star-tether-sub-star. The main star can be a variety of space vehicles such as satellites, spaceships, space shuttles, and space stations, or even abandoned final-stage launch vehicles; the sub-stars can be small satellites, return capsules, and micro-probes. In any space tether system mission, it is necessary to first release the tether to a predetermined length after launching to a predetermined orbit. The present invention mainly solves the control problem of stably releasing the tether to a predetermined length ...
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