A volume-controllable inflatable antenna and its deployment volume control method

Abstract

The invention relates to a volume-controllable inflatable antenna, which includes at least a satellite thruster, at least one acquisition module, and at least one adjustment module. The first adjustment module is configured to: determine the first antenna adjustment control information based on orbit change environment monitoring information; Determine the estimated consumption required for the satellite thruster to perform the specific event; determine the orbit change demand mixing ratio coefficient corresponding to the satellite thruster and the inflatable antenna respectively and the corresponding one based on the first antenna adjustment control information and the estimated consumption The first control instruction and the second control instruction, so that the first adjustment module of the inflatable antenna receives the first control instruction in a manner of aerodynamic compensation for the second adjustment module of the satellite thruster receiving the second control instruction, and based on the The second aerodynamic information associated with the area involved in the ignition orbit change position acquired by the second acquisition module at the second moment is adjusted and corrected at least once to execute at least one related specific event.

Description

technical field [0001] The invention relates to the technical field of aerospace technology, in particular to a volume-controllable inflatable antenna. Background technique [0002] The orbit of low-orbit satellites can quickly reach the predetermined orbit and start work because of its relatively low operating altitude. In addition, low-orbit satellites have a relatively short orbital period, and the time interval for passing the same point is less, and they are more frequent in reconnaissance than traditional satellites, so they can obtain more information. But at the same time, because the orbital height of low-orbit satellites is lower than that of traditional satellites, the aerodynamic force on low-orbit satellites is dozens of orders of magnitude higher than that of traditional satellites. The existence of the atmosphere has already had a non-negligible impact on the operation of spacecraft. Under the action, the spacecraft will decelerate faster, so it is necessary ...

AI Technical Summary

Problems solved by technology

[0007] Chinese patent (publication No. CN103928743B) discloses a loading and unfolding control mechanism of a rib-type air-inflatable unfolding parabolic antenna, which belongs to the technical field of rib-type air-inflating unfolding paraboloid antennas, and solves the problem that there is currently no effective The loading mechanism and the problem of being unable to effectively control its deployment process include a loading mechanism and a deployment control mechanism; the connecting parts of the loading mechanism are arranged below the fixed disk of the deployment control mechanism and are connected by bolts, and the loading mechanism The number of blades is the same as the number of support bars and rib pressing bars of the deployment control mechanism. The support bars are set corresponding to the gaps between the blades, and there are gaps on both sides of each blade.

However, in the orbit transfer optimization method provided by this patent, only a single power assist method using aerodynamic force is used, resulting in an extremely low utilization rate of aerodynamic force. the method of spacecraft control still suffers from low fuel savings and long transfer times

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