A robust shape control method for space-borne antenna reflectors based on P-CS uncertainty quantification model and digital twin

被引：0
|
作者：
He J. [1 ]
Wu W. [1 ]
Luo Y. [2 ]
机构：
[1] School of Aeronautics and Astronautics, Dalian University of Technology, Dalian
[2] School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2023年 / 44卷 / 19期
基金：
中国国家自然科学基金;
关键词：
active shape control; digital twin; robustness; space-borne antenna reflector; structural layout optimization design;
D O I：
10.7527/S1000-6893.2023.28343
中图分类号：
学科分类号：
摘要：
The surface precision of the space-borne antenna reflector is the main influence factor of its electromagnetic performance. The active shape control methodology is an effective way to guarantee the surface precision of space-borne antenna reflectors in orbit. Considering the uncertain material properties of the space-borne antenna reflectors in orbit，a robust shape control method is proposed based on Probability-Convex Set （P-CS） model and digital twin in this paper. The uncertain material properties are quantified in a uniform model （P-CS model）. The P-CS model can be updated based on the Bayesian theory and driven by displacement monitoring data. According to the P-CS model，a voltage layout optimization model is proposed to achieve the optimal robustness of the surface precision under uncertainties. To solve such voltage layout optimization problem with multiple local optimal solutions and large scale of discrete variables，the voltage layout is described by a bounded field with space correlation based on the continuous representation and dimensionality reduction method，and then the design space is discretized and sequential sub-optimization problems are formed. The optimal solution can be achieved by solving sub-optimization problems one by one. The proposed method is used to solve an active shape control problem for a regular hexagon space-borne antenna reflector. Two cases with the constraints of applying one kind of voltage and four kinds of voltage are analyzed to demonstrate the validity and applicability of the proposed method. © 2023 AAAS Press of Chinese Society of Aeronautics and Astronautics. All rights reserved.
引用
收藏
相关论文
共 55 条
  • [1] SONG X S, TAN S J, GAO F X, Et al., Research progresses and prospect of active shape control for space-borne antenna reflectors, Space Electronic Technology, 19, 1, pp. 1-12, (2022)
  • [2] TANAKA H., Surface error estimation and correction of a space antenna based on antenna gainanalyses[J], Acta Astronautica, 68, 7-8, pp. 1062-1069, (2011)
  • [3] SONG X S, TAN S J, WANG E M, Et al., Active shape control of an antenna reflector using piezoelectric actuators[J], Journal of Intelligent Material Systems and Structures, 30, 18-19, pp. 2733-2747, (2019)
  • [4] HAFTKA R T, ADELMAN H M., An analytical investigation of shape control of large space structures by applied temperatures, AIAA Journal, 23, 3, pp. 450-457, (1985)
  • [5] SONG X S, CHU W M, TAN S J, Et al., Adaptive shape control for antenna reflectors based on feedback error learning algorithm, AIAA Journal, 58, 7, pp. 3229-3240, (2020)
  • [6] LU Y F, YUE H H, DENG Z Q, Et al., Adaptive shape control for thermal deformation of membrane mirror with in-plane PVDF actuators[J], Chinese Journal of Mechanical Engineering, 31, 1, pp. 1-11, (2018)
  • [7] XU X, LUO Y Z., Multi-objective shape control of prestressed structures with genetic algorithms[J], Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 222, 8, pp. 1139-1147, (2008)
  • [8] SHAO S B, SONG S Y, XU M L, Et al., Mechanically reconfigurable reflector for future smart space antenna application[J], Smart Materials and Structures, 27, 9, (2018)
  • [9] HILL J, WANG K W, FANG H., Advances of surface control methodologies for flexible space reflectors, Journal of Spacecraft and Rockets, 50, 4, pp. 816-828, (2013)
  • [10] WANG Z W, LI T J, CAO Y Y., Active shape adjustment of cable net structures with PZT actuators[J], Aerospace Science and Technology, 26, 1, pp. 160-168, (2013)
123456