Control method for satellite constellation networking same-orbit-plane capacity expansion reconstruction
A technology of satellite constellation and control method, applied in the field of satellite orbit control, can solve the problems of complex calculation and failure of the satellite constellation network to exert maximum performance, and achieve the effect of reducing complexity and improving revisit coverage performance.
Active Publication Date: 2020-04-28
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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[0003] Purpose of the invention: In order to solve the problems of complex calculations in the existing calculations and the fact that the reconstructed satellite constellation network does not exert its maximum performance, the present invention provides a control method for the expansion and reconstruction of the satellite constellation network on the same orbital plane
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[0039] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.
[0040] Such as figure 1 As shown, the present invention provides a control method for the expansion and reconstruction of satellite constellation network on the same orbital plane: the present invention assumes that the satellite to be expanded has been launched or has maneuvered to the desired orbital plane through a different orbital plane. Assuming that there are initially K satellites in a certain orbital plane, in order to improve the coverage performance of the satellite constellation networking system, Q satellites need to be expanded in the same orbital plane, then there will be S=K+Q satellites in the orbital plane.
[0041] First, determine the optim...
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The invention provides a control method for satellite constellation networking same-orbit-plane expansion reconstruction. The method comprises the following steps: determining a satellite constellation orbit optimization decision variable; determining satellite constellation optimization decision variable constraint conditions; determining an objective function of satellite constellation expansionreconstruction; determining a fuel consumption evaluation function of satellite constellation expansion reconstruction control; determining a single-satellite target phase of the satellite constellation by using an NSGA-II algorithm based on multi-target optimization, thereby obtaining a target phase of each satellite in the satellite constellation after expansion reconstruction; and determininga control pulse and a pulse moment, and adjusting the satellite to a corresponding target phase by using the control pulse at the pulse moment. According to the invention, the revisit coverage performance of the satellite constellation system to the target area is further improved.
Description
technical field [0001] The invention belongs to the field of satellite orbit control, and in particular relates to a control method for expansion and reconstruction of satellite constellation network on the same orbit plane. Background technique [0002] In order to realize global navigation, regional radar early warning and regional observation, satellite constellation networking has become an important means. Restricted by factors such as the number of satellites, launch capability, and economy, it takes a long time for the satellite constellation networking system to be finally deployed. Therefore, the overall performance of the satellite constellation networking system is usually gradually improved by means of staged deployment. Constellation configuration optimization is a very complicated problem. In the design, it is often necessary to consider a huge optimization constraint set and optimization target set, which makes the calculation complex, and the prior art does ...
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IPC IPC(8): G05B13/02
CPCG05B13/024
Inventor 贾庆贤廖鹤于丹吴云华
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS