Research on Modeling and Control Algorithm of Antenna Surface Precision for In-orbit Assembly of Modular Satellites
Due to the limited payload capacity of spacecraft,in-orbit assembly technology has emerged to achieve the deployment of larger structural size spaceborne antennas.This article focuses on the precision assurance of modular antennas for in-orbit assembly,analyzes the structural characteristics and surface precision control methods of modular antennas for in-orbit assembly,establishes a design-scaled prototype experimental testing platform,builds a finite element model for analyzing the surface precision of modular antennas that meets the precision requirements,verifies the accuracy of the finite element model through scaled prototype testing experiments,develops a BP neural network surface precision proxy analysis model,proposes a surface precision control method based on genetic algorithms,and validates the effectiveness of the control algorithm through structural examples of scaled prototypes.
in-orbit assemblysurface precisionassembly precision analysisproxy modelprecision control