Translational tracking strategy of drag-free system for gravitational wave detection in geocentric orbit

被引：0

作者：

Hao L. ^{[1
]}

Zhang J. ^{[2
]}

Wang J. ^{[2
]}

Zhang Y. ^{[3
]}

Sun Y. ^{[2
]}

机构：

[1] Research Center of Satellite Technology, Harbin Institute of Technology, Harbin

[2] School of Aeronautics and Astronautics, Sun Yat-Sen University, Shenzhen

[3] TianQin Research Center, Sun Yat-Sen University, Zhuhai

[4] Shanghai Key laboratory of Aerospace Intelligent Control Technology, Shanghai

[5] Shanghai Institute of Spaceflight Control Technology, Shanghai

来源：

Guofang Keji Daxue Xuebao/Journal of National University of Defense Technology | 2024年 / 46卷 / 02期

关键词：

drag-free control; H theory; spaceborne gravitational wave detection; two-test-mass;

D O I：

10.11887/j.cn.202402004

中图分类号：

学科分类号：

摘要：

An on-orbit drag-free control technique for spaceborne gravitational wave detection missions was discussed. Based on the analysis and design of a possible future geocentric orbit detection mission, the relative motion dynamics and coupling characteristics between the spacecraft and mass blocks of an on-orbit drag-free system with with two test masses were modeled. At the same time, the performance index and perturbation of the drag-free system in the mission were preliminarily analyzed, and a relative translational control law based on frequency domain H optimal control theory was designed. Numerical simulation results show that when the test masses of the two-test-mass on-orbit drag-free system are arranged according to the breathing angle of laser rangefinder, without a fixed tracking point strategy and without suspension control input along the nonsensitive axis, the spacecraft can achieve tracking of the reference point while meeting the frequency domain performance index of the system. At the same time, the time domain displacement of each test mass can be controlled to the micron level, thus obtaining the pure gravitational reference required by the mission. © 2024 National University of Defense Technology. All rights reserved.

引用

页码：36 / 48

页数：12

共 28 条

[1] HECHLER F, FOLKNER W M., Mission analysis for the Laser Interferomeler Space Anlenna (LISA) mission [J], Advances in Space Research, 32, 7, pp. 1277-1282, (2003)
[2] ARMANO M, AUDLEY H, BAIRD J, Et al., Beyond the required LISA free-fall performance: new LISA Pathfinder results down to 20µHz, Physical Review Letters, 120, 6, (2018)
[3] LUO J, CHEN L S, DUAN H Z, Et al., TianQin: a spaceborne gravitational wave detector
[4] LUO J, MEI J W, SHAO C G, Et al., TianQin mission concept, Proceedings of the 12th Asia-Pacific International conference on Gravitation, Astrophysics, and Cosmology, (2016)
[5] YE B B, ZHANG X F, ZHOU M Y, Et al., Optimizing orbits for TianQin [J], International Journal of Modern Physics D, 28, 9, (2019)
[6] HU X C, LI X H, WANG Y, Et al., Fundamentals of the orbit and response for TianQin, Classical and Quantum Gravity, 35, 9, (2018)
[7] LANCE B., The drag-free satellite, AIAA Journal, 2, 9, pp. 1590-1606, (1964)
[8] SCHARLEMANN C, BULDRINI N, KILLINCER R, Et al., Qualifciation test series of the indium needle FEEP micro-propulsion system for LISA Pathfinder [J], Acta Astronautica, 69, 9, pp. 822-832, (2011)
[9] ZIEMER J K, MERKOWITZ S M., Microthrust propulsion for the LISA mission, Proceedings of the 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, (2004)
[10] FICHTER W, CATH P, VITALE S, Et al., LISA Pathfinder drag-free control and system implications [J], Classical and Quantum Gravity, 22, 10, pp. S139-S148, (2005)

← 1 2 3 →